Annotations: 1JK4

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1jk4a_	All beta proteins	Neurophysin II	Neurophysin II	Neurophysin II	Neurophysin II	(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	SCOP2 Family	Neurophysin II	8030264	4002267	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Neurophysin II	8042643	3001022	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	Hormone_5	e1jk4A1	A: beta sandwiches	X: Neurophysin II (From Topology)	H: Neurophysin II (From Topology)	T: Neurophysin II	F: Hormone_5	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.9.10	Mainly Beta	Sandwich	Neurophysin II	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00184	Neurohypophysial hormones, C-terminal Domain (Hormone_5)	Neurohypophysial hormones, C-terminal Domain	-	Family
B	PF00220	Neurohypophysial hormones, N-terminal Domain (Hormone_4)	Neurohypophysial hormones, N-terminal Domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	NEUROPHYSIN 2	binding molecular function activator activity signaling receptor binding neuropeptide activity signaling receptor activator activity hormone activity protein binding molecular function regulator activity neuropeptide hormone activity signaling receptor regulator activity receptor ligand activity neurohypophyseal hormone activity vasopressin receptor binding V1A vasopressin receptor binding binding molecular function activator activity signaling receptor binding neuropeptide activity signaling receptor activator activity hormone activity protein binding molecular function regulator activity neuropeptide hormone activity signaling receptor regulator activity receptor ligand activity neurohypophyseal hormone activity vasopressin receptor binding V1A vasopressin receptor binding G protein-coupled receptor binding	regulation of tube diameter multicellular organismal process system process regulation of tube size biological regulation circulatory system process vascular process in circulatory system blood vessel diameter maintenance regulation of biological quality vasoconstriction blood circulation regulation of anatomical structure size	membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle extracellular region membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle extracellular region extracellular space
B	Lys Vasopressin	binding molecular function activator activity signaling receptor binding neuropeptide activity signaling receptor activator activity hormone activity protein binding molecular function regulator activity neuropeptide hormone activity signaling receptor regulator activity receptor ligand activity neurohypophyseal hormone activity vasopressin receptor binding V1A vasopressin receptor binding binding molecular function activator activity signaling receptor binding neuropeptide activity signaling receptor activator activity hormone activity protein binding molecular function regulator activity neuropeptide hormone activity signaling receptor regulator activity receptor ligand activity neurohypophyseal hormone activity vasopressin receptor binding V1A vasopressin receptor binding G protein-coupled receptor binding	regulation of tube diameter multicellular organismal process system process regulation of tube size biological regulation circulatory system process vascular process in circulatory system blood vessel diameter maintenance regulation of biological quality vasoconstriction blood circulation regulation of anatomical structure size	membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle extracellular region membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR022423	Neurohypophysial hormone, conserved site	Conserved Site
A	IPR036387	Neurohypophysial hormone domain superfamily	Homologous Superfamily
A	IPR000981	Neurohypophysial hormone	Family
B	IPR022423	Neurohypophysial hormone, conserved site	Conserved Site
B	IPR036387	Neurohypophysial hormone domain superfamily	Homologous Superfamily
B	IPR000981	Neurohypophysial hormone	Family

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.