Annotations: 4AE2

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Bromodomain	e4ae2A1	A: alpha bundles	X: Flavodoxin-like	H: Precorrin-8X methylmutase CbiC/CobH	T: Precorrin-8X methylmutase CbiC/CobH	F: Bromodomain	ECOD (develop294)
B	Peptidase_M49	e4ae2B2	A: alpha bundles	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: Peptidase_M49	ECOD (develop294)
C	Peptidase_M49	e4ae2C2	A: alpha bundles	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: Peptidase_M49	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.750.130	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA		CATH (4.3.0)
A	2.60.120.1000	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
B	3.30.750.130	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA		CATH (4.3.0)
B	2.60.120.1000	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
C	3.30.750.130	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA		CATH (4.3.0)
C	2.60.120.1000	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	COLLAGEN ALPHA-1(III) CHAIN	structural molecule activity extracellular matrix structural constituent extracellular matrix structural constituent conferring tensile strength platelet-derived growth factor binding protein binding binding growth factor binding cation binding ion binding metal ion binding small molecule binding enzyme binding protease binding cell adhesion molecule binding structural molecule activity extracellular matrix structural constituent extracellular matrix structural constituent conferring tensile strength platelet-derived growth factor binding protein binding binding growth factor binding cation binding ion binding metal ion binding small molecule binding enzyme binding protease binding cell adhesion molecule binding protein-containing complex binding integrin binding signaling receptor binding SMAD binding	multicellular organismal process cellular developmental process forebrain development glial cell migration telencephalon glial cell migration cerebral cortex development multicellular organism development neurogenesis telencephalon cell migration forebrain cell migration gliogenesis cell differentiation anatomical structure development cell migration multicellular organismal process cellular developmental process forebrain development glial cell migration telencephalon glial cell migration cerebral cortex development multicellular organism development neurogenesis telencephalon cell migration forebrain cell migration gliogenesis cell differentiation anatomical structure development cell migration cell motility system development layer formation in cerebral cortex developmental process cerebral cortex cell migration head development animal organ development brain development nervous system development cerebral cortex radially oriented cell migration pallium development anatomical structure morphogenesis central nervous system development anatomical structure formation involved in morphogenesis cellular process cerebral cortex radial glia-guided migration telencephalon development heart development circulatory system development limb development appendage development appendage morphogenesis limb joint morphogenesis limb morphogenesis regulation of biological process response to stimulus immune response negative regulation of response to stimulus negative regulation of immune response biological regulation negative regulation of biological process regulation of response to stimulus negative regulation of immune system process immune system process regulation of immune response regulation of immune system process response to radiation response to abiotic stimulus response to angiotensin response to hormone response to chemical response to endogenous stimulus response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular component organization collagen fibril organization extracellular matrix organization cellular component organization or biogenesis extracellular structure organization external encapsulating structure organization embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development regulation of body fluid levels wound healing cell activation hemostasis blood coagulation response to stress coagulation regulation of biological quality response to wounding platelet activation fibroblast proliferation cell population proliferation 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 amino acid connective tissue development tissue development skeletal system development chondrocyte differentiation cartilage development supramolecular fiber organization multicellular organism growth developmental growth growth elastic fiber assembly cellular component biogenesis cellular component assembly extracellular matrix assembly endochondral bone morphogenesis skeletal system morphogenesis animal organ morphogenesis bone morphogenesis bone development cellular response to growth factor stimulus cell surface receptor protein serine/threonine kinase signaling pathway regulation of cellular process cell surface receptor signaling pathway signaling cellular response to transforming growth factor beta stimulus cell communication cellular response to endogenous stimulus response to transforming growth factor beta transforming growth factor beta receptor signaling pathway response to growth factor transforming growth factor beta receptor superfamily signaling pathway signal transduction enzyme-linked receptor protein signaling pathway cell adhesion cell-matrix adhesion cell-substrate adhesion artery development smooth muscle tissue development muscle structure development tube morphogenesis muscle organ development muscle tissue development blood vessel development aorta smooth muscle tissue morphogenesis aorta morphogenesis blood vessel morphogenesis tube development aorta development muscle tissue morphogenesis vasculature development tissue morphogenesis artery morphogenesis muscle organ morphogenesis transforming growth factor beta1 production biosynthetic process cytokine production metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process transforming growth factor beta production skin development digestive system development digestive tract development integrin-mediated signaling pathway respiratory tube development lung development respiratory system development positive regulation of cell communication small GTPase-mediated signal transduction positive regulation of signal transduction regulation of small GTPase mediated signal transduction positive regulation of biological process regulation of signal transduction intracellular signal transduction Rho protein signal transduction positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette positive regulation of cellular process regulation of signaling positive regulation of intracellular signal transduction regulation of Rho protein signal transduction positive regulation of Rho protein signal transduction regulation of cell communication positive regulation of small GTPase mediated signal transduction positive regulation of signaling response to peptide response to cytokine basement membrane organization multicellular organismal-level homeostasis homeostatic process anatomical structure homeostasis tissue homeostasis neuron migration generation of neurons negative regulation of locomotion regulation of cell motility negative regulation of neuron migration regulation of neuron migration regulation of cell migration negative regulation of cellular process locomotion negative regulation of cell migration regulation of locomotion negative regulation of cell motility peptide cross-linking macromolecule modification primary metabolic process protein metabolic process protein modification process	solid phase of interstitial matrix protein-containing complex extracellular matrix collagen type III trimer fibrillar collagen complex collagen trimer fibrillar collagen trimer cell periphery cellular anatomical structure external encapsulating structure complex of collagen trimers supramolecular complex collagenous component of interstitial matrix interstitial matrix solid phase of interstitial matrix protein-containing complex extracellular matrix collagen type III trimer fibrillar collagen complex collagen trimer fibrillar collagen trimer cell periphery cellular anatomical structure external encapsulating structure complex of collagen trimers supramolecular complex collagenous component of interstitial matrix interstitial matrix membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen endoplasmic reticulum lumen intracellular organelle organelle lumen organelle endoplasmic reticulum cytoplasm extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR008160	Collagen triple helix repeat	Repeat
A, B, C	IPR000885	Fibrillar collagen, C-terminal	Domain
A, B, C	IPR001007	VWFC domain	Domain
A, B, C	IPR050149	Collagen superfamily	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C	Pharos: P02461	Ehlers-Danlos syndrome aortic valve insufficiency endomyocardial fibrosis keloid ureteral obstruction facioscapulohumeral muscular dystrophy Fibrosis hyperglycemia pulmonary fibrosis cirrhosis of liver hypertensive disorder Ehlers-Danlos syndrome, hypermobility type schizophrenia liver disease alcoholic liver cirrhosis Ehlers-Danlos syndrome aortic valve insufficiency endomyocardial fibrosis keloid ureteral obstruction facioscapulohumeral muscular dystrophy Fibrosis hyperglycemia pulmonary fibrosis cirrhosis of liver hypertensive disorder Ehlers-Danlos syndrome, hypermobility type schizophrenia liver disease alcoholic liver cirrhosis extrahepatic cholestasis hyperinsulinism Sjogren syndrome idiopathic interstitial pneumonia thoracic aortic aneurysm limb-girdle muscular dystrophy Ehlers-Danlos syndrome, vascular type abdominal aortic aneurysm esophageal adenocarcinoma malignant ependymoma amyotrophic lateral sclerosis Marfan syndrome nasopharyngeal carcinoma atypical teratoid rhabdoid tumor glioblastoma oligodendroglioma cerebrovascular disorder pancreatic ductal adenocarcinoma pilocytic astrocytoma chronic kidney disease interstitial lung disease transitional cell carcinoma drug-induced liver injury large cell medulloblastoma lung adenocarcinoma acrogeria malignant glioma aneurysm, intracranial berry type 1 medulloblastoma nephrosclerosis Becker muscular dystrophy osteosarcoma pancreatic intraductal papillary-mucinous carcinoma primitive neuroectodermal tumor chronic obstructive pulmonary disease colorectal cancer subependymal giant cell astrocytoma juvenile dermatomyositis ulcerative colitis Duchenne muscular dystrophy lung cancer malignant pancreatic neoplasm aortic aneurysm fatty liver disease astrocytic tumor gastric carcinoma non-small cell lung carcinoma breast cancer head and neck cancer ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pterygium

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.