Annotations: 2UUR

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	NUDIX	e2uurA1	A: a/b three-layered sandwiches	X: Profilin-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: NUDIX	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.200	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	COLLAGEN ALPHA-1(IX) CHAIN	binding carbohydrate binding structural molecule activity extracellular matrix structural constituent extracellular matrix structural constituent conferring tensile strength identical protein binding protein binding protein homodimerization activity protein dimerization activity cation binding ion binding metal ion binding small molecule binding	developmental process anatomical structure morphogenesis anatomical structure development animal organ development animal organ morphogenesis	solid phase of interstitial matrix protein-containing complex extracellular matrix extracellular region collagen trimer FACIT collagen complex cellular anatomical structure collagen type IX trimer external encapsulating structure complex of collagen trimers FACIT collagen trimer extracellular protein-containing complex supramolecular complex collagenous component of interstitial matrix solid phase of interstitial matrix protein-containing complex extracellular matrix extracellular region collagen trimer FACIT collagen complex cellular anatomical structure collagen type IX trimer external encapsulating structure complex of collagen trimers FACIT collagen trimer extracellular protein-containing complex 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008160	Collagen triple helix repeat	Repeat
A	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
A	IPR048287	Thrombospondin-like, N-terminal domain	Domain
A	IPR050149	Collagen superfamily	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P20849	Stickler syndrome epiphyseal dysplasia, multiple, 6 multiple epiphyseal dysplasia Stickler syndrome, type 4 osteochondrodysplasia retinal disease myopia spondyloepiphyseal dysplasia tarda, X-linked Van Buchem disease autosomal recessive Stickler syndrome Ehlers-Danlos syndrome Melnick-Needles syndrome multiple epiphyseal dysplasia due to collagen 9 anomaly osteogenesis imperfecta X-linked mixed deafness with perilymphatic gusher Stickler syndrome epiphyseal dysplasia, multiple, 6 multiple epiphyseal dysplasia Stickler syndrome, type 4 osteochondrodysplasia retinal disease myopia spondyloepiphyseal dysplasia tarda, X-linked Van Buchem disease autosomal recessive Stickler syndrome Ehlers-Danlos syndrome Melnick-Needles syndrome multiple epiphyseal dysplasia due to collagen 9 anomaly osteogenesis imperfecta X-linked mixed deafness with perilymphatic gusher mucopolysaccharidosis type 4 ovarian cancer Schwartz-Jampel syndrome spondyloepiphyseal dysplasia thoracic aortic aneurysm intellectual disability pilocytic astrocytoma

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.