P01179 · NEU1_RAT
- ProteinOxytocin-neurophysin 1
- GeneOxt
- StatusUniProtKB reviewed (Swiss-Prot)
- Organism
- Amino acids125 (go to sequence)
- Protein existenceEvidence at protein level
- Annotation score5/5
Function
function
Neurophysin 1 specifically binds oxytocin.
Oxytocin causes contraction of the smooth muscle of the uterus and of the mammary gland. Acts by binding to oxytocin receptor (OXTR) (By similarity).
GO annotations
all annotations | all molecular function | virus receptor activity | dna binding | rna binding | cytoskeletal motor activity | catalytic activity | gtpase activity | structural molecule activity | transporter activity | cytoskeletal protein binding | lipid binding | cyclase activity | antioxidant activity | oxidoreductase activity | transferase activity | hydrolase activity | lyase activity | isomerase activity | ligase activity | protein tag activity | cargo receptor activity | histone binding | protein folding chaperone | translation regulator activity | nutrient reservoir activity | receptor ligand activity | molecular transducer activity | molecular adaptor activity | toxin activity | cell adhesion mediator activity | molecular function regulator activity | virus coreceptor activity | catalytic activity, acting on a protein | catalytic activity, acting on dna | catalytic activity, acting on rna | molecular carrier activity | transcription regulator activity | general transcription initiation factor activity | molecular sensor activity | molecular sequestering activity | atp-dependent activity | other molecular function | all biological process | mitotic cell cycle | cytokinesis | cytoplasmic translation | immune system process | muscle system process | circulatory system process | renal system process | respiratory system process | carbohydrate metabolic process | generation of precursor metabolites and energy | dna replication | dna repair | dna recombination | chromatin organization | dna-templated transcription | regulation of dna-templated transcription | trna metabolic process | protein folding | protein glycosylation | amino acid metabolic process | modified amino acid metabolic process | lipid metabolic process | vitamin metabolic process | sulfur compound metabolic process | intracellular protein transport | nucleocytoplasmic transport | autophagy | inflammatory response | mitochondrion organization | cytoskeleton organization | microtubule-based movement | peroxisome organization | lysosome organization | chromosome segregation | cell adhesion | establishment or maintenance of cell polarity | programmed cell death | photosynthesis | mrna metabolic process | snrna metabolic process | vesicle-mediated transport | reproductive process | digestive system process | signaling | cell differentiation | protein catabolic process | extracellular matrix organization | regulatory ncrna-mediated gene silencing | telomere organization | cell junction organization | wound healing | ribosome biogenesis | cilium organization | anatomical structure development | cell motility | nervous system process | endocrine process | protein maturation | transmembrane transport | nucleobase-containing small molecule metabolic process | hepaticobiliary system process | membrane organization | protein-containing complex assembly | cell wall organization or biogenesis | nitrogen cycle metabolic process | protein localization to plasma membrane | defense response to other organism | detoxification | meiotic nuclear division | mitotic nuclear division | mitochondrial gene expression | carbohydrate derivative metabolic process | other biological process | all cellular component | nuclear chromosome | extracellular region | extracellular space | cell wall | nucleus | nuclear envelope | nucleoplasm | chromosome | nucleolus | mitochondrion | lysosome | endosome | vacuole | peroxisome | endoplasmic reticulum | golgi apparatus | lipid droplet | microtubule organizing center | cytosol | ribosome | cytoskeleton | plasma membrane | cilium | plastid | thylakoid | external encapsulating structure | extracellular matrix | cytoplasmic vesicle | organelle | other cellular component | |||
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Keywords
- Molecular function
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameOxytocin-neurophysin 1
- Short namesOT-NPI
- Cleaved into 2 chains
Gene names
Organism names
- Organism
- Strain
- Taxonomic lineageEukaryota > Metazoa > Chordata > Craniata > Vertebrata > Euteleostomi > Mammalia > Eutheria > Euarchontoglires > Glires > Rodentia > Myomorpha > Muroidea > Muridae > Murinae > Rattus
Accessions
- Primary accessionP01179
- Secondary accessions
Proteomes
Organism-specific databases
Subcellular Location
PTM/Processing
Features
Showing features for signal, disulfide bond, peptide, modified residue, chain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Signal | 1-19 | |||||
Sequence: MACPSLACCLLGLLALTSA | ||||||
Disulfide bond | 20↔25 | |||||
Sequence: CYIQNC | ||||||
Peptide | PRO_0000020503 | 20-28 | Oxytocin | |||
Sequence: CYIQNCPLG | ||||||
Modified residue | 28 | Glycine amide | ||||
Sequence: G | ||||||
Chain | PRO_0000020504 | 32-125 | Neurophysin 1 | |||
Sequence: AALDLDMRKCLPCGPGGKGRCFGPSICCADELGCFVGTAEALRCQEENYLPSPCQSGQKPCGSGGRCATAGICCSPDGCRTDPACDPESAFSER | ||||||
Disulfide bond | 41↔85 | |||||
Sequence: CLPCGPGGKGRCFGPSICCADELGCFVGTAEALRCQEENYLPSPC | ||||||
Disulfide bond | 44↔58 | |||||
Sequence: CGPGGKGRCFGPSIC | ||||||
Disulfide bond | 52↔75 | |||||
Sequence: CFGPSICCADELGCFVGTAEALRC | ||||||
Disulfide bond | 59↔65 | |||||
Sequence: CADELGC | ||||||
Disulfide bond | 92↔104 | |||||
Sequence: CGSGGRCATAGIC | ||||||
Disulfide bond | 98↔116 | |||||
Sequence: CATAGICCSPDGCRTDPAC | ||||||
Disulfide bond | 105↔110 | |||||
Sequence: CSPDGC |
Keywords
- PTM
Proteomic databases
Expression
Gene expression databases
Interaction
Subunit
Interacts with oxytocin receptor (Ki=1.5 nM) (By similarity).
Interacts with vasopressin V1aR/AVPR1A (Ki=37 nM), V1bR/AVPR1B (Ki=222 nM), and V2R/AVPR2 receptors (Ki=823 nM) (By similarity).
Interacts with vasopressin V1aR/AVPR1A (Ki=37 nM), V1bR/AVPR1B (Ki=222 nM), and V2R/AVPR2 receptors (Ki=823 nM) (By similarity).
Protein-protein interaction databases
Structure
Sequence
- Sequence statusComplete
- Sequence processingThe displayed sequence is further processed into a mature form.
- Length125
- Mass (Da)12,823
- Last updated1989-07-01 v2
- ChecksumDC98F90BADC5551F
Features
Showing features for sequence conflict.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Sequence conflict | 100 | in Ref. 6; AA sequence | ||||
Sequence: T → A | ||||||
Sequence conflict | 124-125 | in Ref. 5; AA sequence | ||||
Sequence: ER → Q |
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
K01701 EMBL· GenBank· DDBJ | AAA98733.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
M25649 EMBL· GenBank· DDBJ | AAA41773.1 EMBL· GenBank· DDBJ | mRNA | ||
X12792 EMBL· GenBank· DDBJ | CAA31281.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
X59496 EMBL· GenBank· DDBJ | CAA42085.1 EMBL· GenBank· DDBJ | Genomic DNA |