Annotations: 8END

Crystal structure of LGR ligand alpha2/beta5 from C. elegans in crystal form 1 (SeMet)

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	CPSase_L_D2	e8endB1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: CPSase_L_D2	ECOD (v295.2)
A	CPSase_L_D2	e8endA1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: CPSase_L_D2	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.10.90.10	Mainly Beta	Ribbon	Cystine Knot Cytokines, subunit B	Cystine-knot cytokines	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00007	Cystine-knot domain (Cys_knot)	Cystine-knot domain	The family comprises glycoprotein hormones and the C-terminal domain of various extracellular proteins. It is believed to be involved in disulfide-linked dimerisation.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Cys_knot domain-containing protein	hormone activity molecular function activator activity molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation G protein-coupled receptor signaling pathway cellular process signal transduction cell communication	cellular anatomical structure extracellular region cell periphery protein-containing complex plasma membrane protein complex membrane plasma membrane plasma membrane signaling receptor complex G protein-coupled receptor complex membrane protein complex signaling receptor complex
A	Bursicon	-	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation G protein-coupled receptor signaling pathway cellular process signal transduction cell communication	cellular anatomical structure extracellular region cell periphery protein-containing complex plasma membrane protein complex membrane plasma membrane plasma membrane signaling receptor complex G protein-coupled receptor complex membrane protein complex signaling receptor complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR001545	Gonadotropin, beta subunit	Family
B	IPR029034	Cystine-knot cytokine	Homologous Superfamily
B	IPR006208	Glycoprotein hormone subunit beta	Domain
A	IPR029034	Cystine-knot cytokine	Homologous Superfamily
A	IPR006207	Cystine knot, C-terminal	Domain
A	IPR004133	DAN	Domain
A	IPR052680	Glycoprotein Hormones Alpha Subunit	Family

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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.