6P57

Crystal Structure of the Beta Subunit of Luteinizing Hormone

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6p57a_	Small proteins	Cystine-knot cytokines	Cystine-knot cytokines	Gonadodropin/Follitropin	automated matches	(Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
B	d6p57b_	Small proteins	Cystine-knot cytokines	Cystine-knot cytokines	Gonadodropin/Follitropin	automated matches	(Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cystine-knot cytokines	8094811	3000846	SCOP2B (2022-06-29)
B	SCOP2 Family	Gonadodropin/Follitropin	8094810	4003451	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Cystine-knot cytokines	8094811	3000846	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	Cys_knot	e6p57A1	A: few secondary structure elements	X: Cystine-knot cytokines (From Topology)	H: Cystine-knot cytokines (From Topology)	T: Cystine-knot cytokines	F: Cys_knot	ECOD (1.6)
B	Cys_knot	e6p57B1	A: few secondary structure elements	X: Cystine-knot cytokines (From Topology)	H: Cystine-knot cytokines (From Topology)	T: Cystine-knot cytokines	F: Cys_knot	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, 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
A, B	Lutropin subunit beta	hormone activity protein binding binding molecular function activator activity signaling receptor binding 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	intracellular anatomical structure cytoplasm cellular anatomical entity extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001545	Gonadotropin, beta subunit	Family
A, B	IPR018245	Gonadotropin, beta subunit, conserved site	Conserved Site
A, B	IPR029034	Cystine-knot cytokine	Homologous Superfamily
A, B	IPR006208	Glycoprotein hormone subunit beta	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.