1CI6

TRANSCRIPTION FACTOR ATF4-C/EBP BETA BZIP HETERODIMER

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ci6a_	Coiled coil proteins	Parallel coiled-coil	Leucine zipper domain	Leucine zipper domain	Atf4	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1ci6b_	Coiled coil proteins	Parallel coiled-coil	Leucine zipper domain	Leucine zipper domain	C/ebp beta	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Leucine zipper domain	8027112	4003836	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Leucine zipper-like	8039491	3001609	SCOP2 (2022-06-29)
B	SCOP2 Family	Leucine zipper domain	8027115	4003836	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Leucine zipper-like	8039494	3001609	SCOP2 (2022-06-29)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.170	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
B	1.20.5.170	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	TRANSCRIPTION FACTOR ATF-4	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding chromatin binding promoter-specific chromatin binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding chromatin binding promoter-specific chromatin binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity identical protein binding protein binding transcription factor binding general transcription initiation factor binding cAMP response element binding protein binding DNA-binding transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding RNA polymerase II cis-regulatory region sequence-specific DNA binding protein heterodimerization activity protein dimerization activity kinase binding enzyme binding protein kinase binding LRR domain binding protein domain specific binding leucine zipper domain binding	cellular response to stimulus cellular response to metal ion response to manganese-induced endoplasmic reticulum stress response to stimulus cellular response to manganese ion cellular response to chemical stress cellular response to chemical stimulus cellular response to stress response to metal ion response to stress response to chemical cellular process response to manganese ion response to endoplasmic reticulum stress cellular response to stimulus cellular response to metal ion response to manganese-induced endoplasmic reticulum stress response to stimulus cellular response to manganese ion cellular response to chemical stress cellular response to chemical stimulus cellular response to stress response to metal ion response to stress response to chemical cellular process response to manganese ion response to endoplasmic reticulum stress developmental process multicellular organismal process ossification bone mineralization animal organ development anatomical structure development biomineral tissue development tissue development regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation positive regulation of biological process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process metabolic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular process cellular response to nutrient levels response to nutrient levels response to starvation cellular response to glucose starvation cellular response to starvation response to decreased oxygen levels cellular response to oxygen levels cellular response to hypoxia cellular response to decreased oxygen levels response to hypoxia response to oxygen levels response to abiotic stimulus negative regulation of biological process regulation of primary metabolic process post-transcriptional regulation of gene expression negative regulation of translation negative regulation of cellular process translational initiation protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of translational initiation in response to stress regulation of translational initiation regulation of protein metabolic process negative regulation of metabolic process negative regulation of translational initiation primary metabolic process translation negative regulation of gene expression negative regulation of biosynthetic process regulation of translation negative regulation of macromolecule biosynthetic process positive regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death positive regulation of apoptotic process apoptotic process programmed cell death neuron apoptotic process positive regulation of neuron apoptotic process regulation of neuron apoptotic process signaling cell-cell signaling gamma-aminobutyric acid signaling pathway cell communication inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis response to toxic substance response to oxidative stress cellular response to oxidative stress rhythmic process circadian regulation of gene expression circadian rhythm cellular developmental process hemopoiesis cell development embryo development multicellular organism development embryonic hemopoiesis cell differentiation embryonic organ development RNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process nucleobase-containing compound biosynthetic process nucleic acid metabolic process regulation of DNA-templated transcription sensory organ development visual system development cell morphogenesis epithelial cell differentiation eye morphogenesis lens morphogenesis in camera-type eye animal organ morphogenesis sensory system development system development camera-type eye morphogenesis lens fiber cell morphogenesis epithelium development eye development lens fiber cell development anatomical structure morphogenesis epithelial cell development sensory organ morphogenesis camera-type eye development lens fiber cell differentiation lens development in camera-type eye mRNA transcription by RNA polymerase II mRNA transcription mRNA metabolic process transcription by RNA polymerase II monosaccharide metabolic process carbohydrate metabolic process small molecule biosynthetic process carbohydrate biosynthetic process hexose metabolic process monosaccharide biosynthetic process gluconeogenesis hexose biosynthetic process small molecule metabolic process glucose metabolic process oxoacid metabolic process aspartate family amino acid metabolic process carboxylic acid metabolic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process asparagine metabolic process L-asparagine metabolic process amide metabolic process intrinsic apoptotic signaling pathway in response to oxidative stress regulation of oxidative stress-induced intrinsic apoptotic signaling pathway negative regulation of neuron apoptotic process negative regulation of signaling negative regulation of intracellular signal transduction regulation of signal transduction regulation of intrinsic apoptotic signaling pathway intracellular signal transduction negative regulation of cell communication regulation of intracellular signal transduction negative regulation of apoptotic signaling pathway signal transduction intrinsic apoptotic signaling pathway regulation of oxidative stress-induced neuron intrinsic apoptotic signaling pathway regulation of signaling negative regulation of response to stimulus negative regulation of programmed cell death negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway negative regulation of signal transduction neuron intrinsic apoptotic signaling pathway in response to oxidative stress apoptotic signaling pathway negative regulation of intrinsic apoptotic signaling pathway negative regulation of apoptotic process regulation of response to stimulus negative regulation of oxidative stress-induced neuron intrinsic apoptotic signaling pathway regulation of cell communication regulation of apoptotic signaling pathway regulation of multicellular organismal development regulation of developmental process regulation of biomineral tissue development positive regulation of developmental process positive regulation of biomineral tissue development regulation of multicellular organismal process integrated stress response signaling intracellular signaling cassette negative regulation of RNA biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of RNA metabolic process cellular response to amino acid starvation response to amino acid starvation regulation of localization sodium-dependent phosphate transport regulation of transport transport regulation of phosphate transport regulation of sodium-dependent phosphate transport establishment of localization localization positive regulation of transport positive regulation of sodium-dependent phosphate transport phosphate ion transport inorganic anion transport positive regulation of DNA-templated transcription positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process cellular response to topologically incorrect protein endoplasmic reticulum unfolded protein response cellular response to unfolded protein response to unfolded protein response to topologically incorrect protein HRI-mediated signaling regulation of osteoblast differentiation regulation of cell differentiation osteoblast differentiation negative regulation of potassium ion transport regulation of potassium ion transport negative regulation of monoatomic ion transport regulation of monoatomic ion transport negative regulation of transport metal ion transport monoatomic ion transport potassium ion transport monoatomic cation transport regulation of metal ion transport regulation of cytokine production cytokine production regulation of vascular endothelial growth factor production vascular endothelial growth factor production positive regulation of multicellular organismal process positive regulation of vascular endothelial growth factor production positive regulation of cytokine production cellular response to leucine starvation nervous system development generation of neurons neurogenesis neuron differentiation PERK-mediated unfolded protein response ER-nucleus signaling pathway response to light stimulus cellular response to radiation response to UV cellular response to environmental stimulus cellular response to light stimulus response to radiation cellular response to abiotic stimulus cellular response to UV regulation of synaptic plasticity trans-synaptic signaling modulation of chemical synaptic transmission chemical synaptic transmission synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of biological quality intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress transcription by RNA polymerase I positive regulation of transcription by RNA polymerase I regulation of transcription by RNA polymerase I muscle cell apoptotic process positive regulation of smooth muscle cell apoptotic process smooth muscle cell apoptotic process regulation of muscle cell apoptotic process regulation of smooth muscle cell apoptotic process positive regulation of muscle cell apoptotic process vascular associated smooth muscle cell apoptotic process positive regulation of vascular associated smooth muscle cell apoptotic process regulation of vascular associated smooth muscle cell apoptotic process negative regulation of cold-induced thermogenesis adaptive thermogenesis multicellular organismal-level homeostasis regulation of cold-induced thermogenesis cold-induced thermogenesis temperature homeostasis negative regulation of multicellular organismal process	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle cellular anatomical structure nucleoplasm organelle lumen organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle cellular anatomical structure nucleoplasm organelle lumen organelle nuclear lumen cytoplasm cytosol membraneless organelle intracellular membraneless organelle chromatin chromosome cell projection neuron projection plasma membrane bounded cell projection RNA polymerase II transcription regulator complex protein-containing complex nuclear protein-containing complex transcription regulator complex CHOP-ATF4 complex ATF4-CREB1 transcription factor complex centrosome microtubule organizing center cytoskeleton microtubule cytoskeleton ATF1-ATF4 transcription factor complex nuclear periphery inclusion body Lewy body Lewy body core cell leading edge plasma membrane membrane leading edge membrane somatodendritic compartment neuron projection membrane cell periphery dendrite membrane dendrite dendritic tree plasma membrane region cell projection membrane
B	TRANSCRIPTION FACTOR C/EBP BETA	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding histone deacetylase binding protein binding enzyme binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding histone deacetylase binding protein binding enzyme binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity core promoter sequence-specific DNA binding RNA polymerase II core promoter sequence-specific DNA binding RNA polymerase II transcription regulatory region sequence-specific DNA binding DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity identical protein binding DNA-binding transcription repressor activity, RNA polymerase II-specific DNA-binding transcription repressor activity chromatin binding kinase binding ubiquitin-like protein ligase binding chromatin DNA binding histone acetyltransferase binding	developmental process mammary gland epithelial cell differentiation epithelium development cellular developmental process mammary gland development gland development animal organ development tissue development epithelial cell differentiation mammary gland epithelium development cell differentiation anatomical structure development cellular process regulation of defense response developmental process mammary gland epithelial cell differentiation epithelium development cellular developmental process mammary gland development gland development animal organ development tissue development epithelial cell differentiation mammary gland epithelium development cell differentiation anatomical structure development cellular process regulation of defense response regulation of biological process response to stimulus regulation of response to external stimulus defense response biological regulation positive regulation of biological process response to external stimulus regulation of inflammatory response positive regulation of response to stimulus positive regulation of response to external stimulus positive regulation of inflammatory response regulation of response to stimulus regulation of response to stress response to stress positive regulation of defense response inflammatory response myeloid cell differentiation hemopoiesis myeloid cell development cell development negative regulation of lymphocyte proliferation multicellular organismal process regulation of cellular process regulation of leukocyte activation negative regulation of biological process regulation of cell activation negative regulation of T cell proliferation negative regulation of cell adhesion negative regulation of leukocyte proliferation T cell activation lymphocyte proliferation regulation of immune system process regulation of leukocyte proliferation cell population proliferation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion regulation of cell population proliferation mononuclear cell proliferation negative regulation of cell-cell adhesion regulation of leukocyte cell-cell adhesion negative regulation of multicellular organismal process negative regulation of leukocyte activation lymphocyte activation negative regulation of lymphocyte activation leukocyte proliferation leukocyte cell-cell adhesion leukocyte activation negative regulation of mononuclear cell proliferation cell adhesion cell-cell adhesion negative regulation of cellular process regulation of multicellular organismal process regulation of cell-cell adhesion T cell proliferation regulation of lymphocyte proliferation negative regulation of cell population proliferation regulation of cell adhesion cell activation regulation of T cell activation negative regulation of cell activation regulation of T cell proliferation negative regulation of immune system process immune system process regulation of mononuclear cell proliferation regulation of lymphocyte activation regulation of leukocyte differentiation regulation of developmental process mononuclear cell differentiation regulation of cell differentiation regulation of cell development multicellular organism development regulation of multicellular organismal development regulation of dendritic cell differentiation regulation of hemopoiesis dendritic cell differentiation leukocyte differentiation biological process involved in interspecies interaction between organisms response to other organism response to biotic stimulus defense response to bacterium defense response to other organism response to bacterium response to external biotic stimulus gonad development reproductive system development reproductive process female gonad development sex differentiation female sex differentiation development of primary female sexual characteristics developmental process involved in reproduction development of primary sexual characteristics reproductive structure development ovarian follicle development system development RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process cellular response to acid chemical cellular response to stimulus cellular response to amino acid stimulus response to acid chemical cellular response to chemical stimulus response to chemical response to amino acid fat cell differentiation brown fat cell differentiation regulation of biomineral tissue development positive regulation of developmental process positive regulation of biomineral tissue development biomineral tissue development interleukin-6 production regulation of interleukin-6 production regulation of cytokine production cytokine production negative regulation of RNA biosynthetic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process negative regulation of macromolecule metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA metabolic process positive regulation of fat cell differentiation positive regulation of cell differentiation regulation of fat cell differentiation positive regulation of cellular process regulation of localization sodium-dependent phosphate transport regulation of transport transport regulation of phosphate transport regulation of sodium-dependent phosphate transport establishment of localization localization positive regulation of transport positive regulation of sodium-dependent phosphate transport phosphate ion transport inorganic anion transport positive regulation of DNA-templated transcription positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process cellular response to stress response to endoplasmic reticulum stress chronic inflammatory response granuloma formation immune effector process animal organ regeneration liver development regeneration hepaticobiliary system development liver regeneration nervous system development generation of neurons neurogenesis neuron differentiation regulation of odontoblast differentiation regulation of epithelial cell differentiation neuroepithelial cell differentiation odontoblast differentiation columnar/cuboidal epithelial cell differentiation placenta development chordate embryonic development embryo development in utero embryonic development embryonic placenta development embryo development ending in birth or egg hatching embryonic organ development epithelial cell proliferation mammary gland epithelial cell proliferation neuron apoptotic process negative regulation of neuron apoptotic process negative regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death negative regulation of apoptotic process apoptotic process programmed cell death regulation of neuron apoptotic process epithelial cell proliferation involved in liver morphogenesis anatomical structure morphogenesis gland morphogenesis hepatocyte proliferation animal organ morphogenesis liver morphogenesis homeostatic process adaptive thermogenesis multicellular organismal-level homeostasis regulation of cold-induced thermogenesis cold-induced thermogenesis temperature homeostasis positive regulation of cold-induced thermogenesis positive regulation of multicellular organismal process myeloid leukocyte differentiation regulation of osteoclast differentiation osteoclast differentiation regulation of myeloid cell differentiation regulation of myeloid leukocyte differentiation regulation of osteoblast differentiation osteoblast differentiation positive regulation of osteoblast differentiation ossification signaling intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress intracellular signal transduction cell communication apoptotic signaling pathway signal transduction intrinsic apoptotic signaling pathway CD4-positive, alpha-beta T cell activation T-helper 1 cell activation alpha-beta T cell activation regulation of interleukin-4 production positive regulation of interleukin-4 production interleukin-4 production positive regulation of gene expression positive regulation of cytokine production response to lipid response to oxygen-containing compound response to lipopolysaccharide response to molecule of bacterial origin	cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen organelle lumen nuclear periphery nuclear lumen nuclear matrix RNA polymerase II transcription regulator complex protein-containing complex nuclear protein-containing complex transcription regulator complex CHOP-C/EBP complex nucleoplasm C/EBP complex chromosomal region chromosome, centromeric region condensed chromosome, centromeric region condensed chromosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004827	Basic-leucine zipper domain	Domain
A	IPR046347	Basic-leucine zipper domain superfamily	Homologous Superfamily
B	IPR031106	CCAAT/enhancer-binding protein C/EBP	Family
B	IPR004827	Basic-leucine zipper domain	Domain
B	IPR016468	CCAAT/enhancer-binding protein, chordates	Family
B	IPR046347	Basic-leucine zipper domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P18848	invasive ductal breast carcinoma Necrosis bipolar disorder fatty liver disease Tourette syndrome depressive disorder schizophrenia autism spectrum disorder

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.