Annotations: 4XRM

homodimer of TALE type homeobox transcription factor MEIS1 complexes with specific DNA

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth B]	Lip_C	e4xrmB1	A: beta barrels	X: P-loop domains-like	H: Rubredoxin-related	T: Rubredoxin-related	F: Lip_C	ECOD (v294.2)
C [auth A]	Lip_C	e4xrmA1	A: beta barrels	X: P-loop domains-like	H: Rubredoxin-related	T: Rubredoxin-related	F: Lip_C	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth B]	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	CATH (4.3.0)
C [auth A]	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth A], D [auth B]	PF05920	Homeobox KN domain (Homeobox_KN)	Homeobox KN domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth A], D [auth B]	Homeobox protein Meis2	DNA binding sequence-specific DNA binding binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding transcription factor binding protein binding DNA-binding transcription factor activity, RNA polymerase II-specific DNA binding sequence-specific DNA binding binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding transcription factor binding protein 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	developmental process multicellular organism development multicellular organismal process head development central nervous system development anatomical structure development animal organ development brain development nervous system development system development anatomical structure morphogenesis animal organ morphogenesis response to light stimulus system process developmental process multicellular organism development multicellular organismal process head development central nervous system development anatomical structure development animal organ development brain development nervous system development system development anatomical structure morphogenesis animal organ morphogenesis response to light stimulus system process learning learning or memory nervous system process response to stimulus visual learning visual behavior cognition associative learning behavior response to radiation response to abiotic stimulus regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process positive regulation of myoblast proliferation myoblast proliferation regulation of myoblast proliferation regulation of cardiac muscle myoblast proliferation positive regulation of cardiac muscle myoblast proliferation cardiac muscle myoblast proliferation pancreas development response to mechanical stimulus response to external stimulus regulation of developmental process cellular developmental process negative regulation of biological process cell development regulation of cell differentiation regulation of cell development cell differentiation negative regulation of cellular process negative regulation of cell differentiation regulation of immune system process regulation of multicellular organismal process regulation of multicellular organismal development negative regulation of developmental process hemopoiesis regulation of myeloid cell differentiation negative regulation of myeloid cell differentiation myeloid cell differentiation immune system process regulation of hemopoiesis response to endogenous stimulus response to growth factor sensory organ development eye development visual system development sensory system development RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic 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 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 negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process positive regulation of cell cycle mitotic cell cycle regulation of mitotic cell cycle positive regulation of mitotic cell cycle cell cycle regulation of cell cycle embryonic pattern specification pattern specification process embryo development 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 transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromatin chromosome perinuclear region of cytoplasm cytoplasm membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B [auth L]	DNA (5'-D(PTPCPTPTPGPAPCPAPGPCPTPGPTPCPAPGP*C)-3')	-	-	-
A [auth M]	DNA (5'-D(PAPGPCPTPGPAPCPAPGPCPTPGPTPCPAPAP*G)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A], D [auth B]	IPR050224	Three Amino acid Loop Extension (TALE) homeobox	Family
C [auth A], D [auth B]	IPR008422	KN homeodomain	Domain
C [auth A], D [auth B]	IPR009057	Homedomain-like superfamily	Homologous Superfamily
C [auth A], D [auth B]	IPR001356	Homeodomain	Domain
C [auth A], D [auth B]	IPR032453	Homeobox protein PKNOX/Meis, N-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C [auth A], D [auth B]	: O14770	cardiac malformation, cleft lip/palate, microcephaly, and digital anomalies 15q14 microdeletion syndrome breast carcinoma invasive ductal breast carcinoma lung carcinoma osteosarcoma astrocytic tumor large cell medulloblastoma malignant colon neoplasm ovarian cancer breast cancer intellectual disability lung cancer malignant mesothelioma subependymal giant cell astrocytoma

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.