1GR3

Structure of the human collagen X NC1 trimer

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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	d1gr3a_	All beta proteins	TNF-like	TNF-like	TNF-like	Collagen NC1 trimerisation domain	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	TNF-like	8023778	4000294	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	TNF-like	8036158	3000061	SCOP2 (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	C1q	e1gr3A1	A: beta sandwiches	X: jelly-roll	H: TNF-like (From Topology)	T: TNF-like	F: C1q	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.40	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00386	C1q domain (C1q)	C1q domain	C1q is a subunit of the C1 enzyme complex that activates the serum complement system.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	COLLAGEN X	structural molecule activity extracellular matrix structural constituent extracellular matrix structural constituent conferring tensile strength cation binding ion binding binding metal ion binding small molecule binding	developmental process multicellular organism development multicellular organismal process skeletal system development anatomical structure development system development cellular component organization extracellular matrix organization cellular process cellular component organization or biogenesis extracellular structure organization external encapsulating structure organization	protein-containing complex collagen trimer membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen endoplasmic reticulum lumen intracellular organelle cellular anatomical structure organelle lumen organelle endoplasmic reticulum protein-containing complex collagen trimer membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen endoplasmic reticulum lumen intracellular organelle cellular anatomical structure organelle lumen organelle endoplasmic reticulum cytoplasm extracellular region cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix extracellular space sheet-forming collagen trimer collagen network network-forming collagen trimer short-chain collagen trimer collagen sheet complex of collagen trimers collagen type X trimer supramolecular polymer supramolecular complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008160	Collagen triple helix repeat	Repeat
A	IPR008983	Tumour necrosis factor-like domain superfamily	Homologous Superfamily
A	IPR001073	C1q domain	Domain
A	IPR050392	Collagen/C1q domain-containing	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q03692	Schmid metaphyseal chondrodysplasia age-related macular degeneration ductal breast carcinoma in situ invasive ductal breast carcinoma malignant pancreatic neoplasm non-small cell lung carcinoma osteosarcoma breast cancer idiopathic scoliosis lung adenocarcinoma Metaphyseal chondrodysplasia Schmid type osteoarthritis ovarian cancer subepithelial mucinous corneal dystrophy breast carcinoma Schmid metaphyseal chondrodysplasia age-related macular degeneration ductal breast carcinoma in situ invasive ductal breast carcinoma malignant pancreatic neoplasm non-small cell lung carcinoma osteosarcoma breast cancer idiopathic scoliosis lung adenocarcinoma Metaphyseal chondrodysplasia Schmid type osteoarthritis ovarian cancer subepithelial mucinous corneal dystrophy breast carcinoma intellectual disability malignant colon neoplasm nasopharyngeal carcinoma osteogenesis imperfecta pancreatic ductal adenocarcinoma

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.