Annotations: 3Q9P

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Hsp20 chaperone-like	8089922	3001242	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HSP20	e3q9pA1	A: beta sandwiches	X: HSP20-like	H: HSP20-like chaperones (From Topology)	T: HSP20-like chaperones	F: HSP20	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00011	Hsp20/alpha crystallin family (HSP20)	Hsp20/alpha crystallin family	Not only do small heat-shock-proteins occur in eukaryotes and prokaryotes but they have also now been shown to occur in cyanobacterial phages as well as their bacterial hosts [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Heat shock protein beta-1	transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding enzyme regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity protein kinase C inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding enzyme regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity protein kinase C inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity ubiquitin binding ubiquitin-like protein binding RNA binding organic cyclic compound binding nucleic acid binding unfolded protein binding identical protein binding protein homodimerization activity protein dimerization activity kinase binding enzyme binding protein kinase binding protein kinase C binding protein folding chaperone	protein refolding primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process protein localization establishment of protein localization cellular localization protein refolding primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process protein localization establishment of protein localization cellular localization nitrogen compound transport protein localization to synapse transport protein transport along microtubule microtubule-based protein transport localization cellular macromolecule localization establishment of localization in cell transport along microtubule anterograde axonal transport axo-dendritic protein transport anterograde axonal protein transport intracellular transport axonal transport establishment of localization protein localization to presynapse axo-dendritic transport protein transport macromolecule localization microtubule-based transport microtubule-based process cytoskeleton-dependent intracellular transport microtubule-based movement protein localization to cell junction intracellular protein transport regulation of biological process regulation of cellular process negative regulation of programmed cell death regulation of apoptotic process biological regulation negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death response to stimulus response to topologically incorrect protein response to stress response to unfolded protein chaperone-mediated protein folding multicellular organismal process regulation of body fluid levels wound healing homotypic cell-cell adhesion cell activation hemostasis platelet aggregation blood coagulation cell adhesion cell-cell adhesion coagulation regulation of biological quality response to wounding platelet activation interleukin-1 production positive regulation of biological process regulation of interleukin-1 beta production positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of interleukin-1 beta production positive regulation of biosynthetic process regulation of cytokine production cytokine production regulation of multicellular organismal process positive regulation of interleukin-1 production positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process regulation of interleukin-1 production regulation of macromolecule metabolic process regulation of gene expression interleukin-1 beta production positive regulation of gene expression positive regulation of multicellular organismal process regulation of macromolecule biosynthetic process positive regulation of cytokine production regulation of metabolic process regulation of protein modification process regulation of catalytic activity regulation of protein phosphorylation negative regulation of phosphate metabolic process negative regulation of catalytic activity regulation of transferase activity regulation of primary metabolic process negative regulation of kinase activity negative regulation of transferase activity regulation of phosphate metabolic process phosphate-containing compound metabolic process negative regulation of protein modification process phosphorus metabolic process protein modification process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process protein phosphorylation phosphorylation regulation of protein metabolic process negative regulation of metabolic process negative regulation of molecular function negative regulation of protein kinase activity regulation of protein kinase activity regulation of molecular function regulation of kinase activity negative regulation of protein phosphorylation macromolecule modification negative regulation of phosphorus metabolic process regulation of phosphorylation regulation of phosphorus metabolic process negative regulation of phosphorylation cellular response to stimulus positive regulation of locomotion regulation of cell motility regulation of response to external stimulus endothelial cell migration positive regulation of chemotaxis positive regulation of cell migration positive regulation of response to stimulus positive regulation of response to external stimulus taxis positive regulation of cell motility regulation of cell migration positive regulation of endothelial cell chemotaxis regulation of endothelial cell migration cell migration endothelial cell chemotaxis cell motility locomotion cell chemotaxis chemotaxis regulation of endothelial cell chemotaxis response to external stimulus regulation of chemotaxis cellular response to chemical stimulus regulation of response to stimulus response to chemical regulation of locomotion positive regulation of endothelial cell migration regulation of blood vessel endothelial cell migration positive regulation of blood vessel endothelial cell migration blood vessel endothelial cell migration intrinsic apoptotic signaling pathway in response to oxidative stress regulation of oxidative stress-induced intrinsic apoptotic signaling pathway signaling 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 cell communication regulation of intracellular signal transduction negative regulation of apoptotic signaling pathway signal transduction intrinsic apoptotic signaling pathway regulation of signaling negative regulation of response to stimulus negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway negative regulation of signal transduction apoptotic signaling pathway negative regulation of intrinsic apoptotic signaling pathway regulation of cell communication regulation of apoptotic signaling pathway post-transcriptional regulation of gene expression translational initiation regulation of translational initiation translation regulation of translation regulation of developmental process angiogenesis regulation of vasculature development positive regulation of developmental process multicellular organism development tube morphogenesis anatomical structure development regulation of anatomical structure morphogenesis blood vessel development system development developmental process regulation of multicellular organismal development blood vessel morphogenesis tube development positive regulation of angiogenesis vasculature development circulatory system development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis biological process involved in interspecies interaction between organisms response to other organism response to external biotic stimulus response to virus response to biotic stimulus catabolic process autophagy regulation of catabolic process regulation of autophagy process utilizing autophagic mechanism regulation of tumor necrosis factor production positive regulation of tumor necrosis factor superfamily cytokine production tumor necrosis factor superfamily cytokine production positive regulation of tumor necrosis factor production tumor necrosis factor production regulation of tumor necrosis factor superfamily cytokine production response to heat response to abiotic stimulus response to temperature stimulus cell surface receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway vascular endothelial growth factor receptor signaling pathway enzyme-linked receptor protein signaling pathway cellular response to endogenous stimulus cellular response to growth factor stimulus response to endogenous stimulus cellular response to vascular endothelial growth factor stimulus response to growth factor canonical NF-kappaB signal transduction intracellular signaling cassette regulation of canonical NF-kappaB signal transduction	cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell periphery plasma membrane membrane cornified envelope intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell periphery plasma membrane membrane cornified envelope intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex intracellular protein-containing complex cytoskeleton spindle microtubule cytoskeleton nucleus intracellular membrane-bounded organelle neuron projection cytoplasm axon axon cytoplasm neuron projection cytoplasmic region plasma membrane bounded cell projection cytoplasm plasma membrane bounded cell projection cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002068	Alpha crystallin/Hsp20 domain	Domain
A	IPR037876	Heat shock protein beta-1, ACD domain	Domain
A	IPR008978	HSP20-like chaperone	Homologous Superfamily
A	IPR001436	Alpha crystallin/Small heat shock protein, animal type	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P04792	Charcot-Marie-Tooth disease axonal type 2F neuronopathy, distal hereditary motor, type 2B Charcot-Marie-Tooth disease acute myeloid leukemia status epilepticus malignant colon neoplasm plasma cell myeloma renal cell carcinoma hypertrophic cardiomyopathy squamous cell carcinoma peripheral neuropathy HIV infectious disease lung adenocarcinoma collecting duct carcinoma congestive heart failure Charcot-Marie-Tooth disease axonal type 2F neuronopathy, distal hereditary motor, type 2B Charcot-Marie-Tooth disease acute myeloid leukemia status epilepticus malignant colon neoplasm plasma cell myeloma renal cell carcinoma hypertrophic cardiomyopathy squamous cell carcinoma peripheral neuropathy HIV infectious disease lung adenocarcinoma collecting duct carcinoma congestive heart failure papillary renal cell carcinoma hyperplasia chromophobe renal cell carcinoma contact dermatitis sarcomatoid renal cell carcinoma cystic fibrosis Myocardial Failure distal myopathy pancreatic ductal adenocarcinoma gastric neoplasm plasma cell neoplasm hepatocellular carcinoma breast cancer ischemia reperfusion injury tongue cancer malignant pancreatic neoplasm neurodegenerative disease diabetes mellitus oral cavity neoplasm esophageal adenocarcinoma glioblastoma heart failure renal carcinoma hereditary diffuse gastric adenocarcinoma rheumatoid arthritis adrenal cortex carcinoma cancer colonic neoplasm medulloblastoma Crohn disease myeloid neoplasm ovarian cancer gastric cancer peripheral nervous system disease benign colon neoplasm subependymal giant cell astrocytoma clear cell renal carcinoma malignant ependymoma ulcerative colitis motor peripheral neuropathy

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.