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- Table of Contents
Facts about Leucyl-cystinyl aminopeptidase.
May be involved in the inactivation of neuronal peptides from the brain. Cleaves Met-enkephalin and dynorphin.
Human | |
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Gene Name: | LNPEP |
Uniprot: | Q9UIQ6 |
Entrez: | 4012 |
Belongs to: |
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peptidase M1 family |
angiotensin IV receptor; AT (4) receptor; CAP; Cystinyl aminopeptidase; EC 3.4.11; EC 3.4.11.3; Insulin-regulated membrane aminopeptidase; Insulin-responsive aminopeptidase; IRAP; leucyl/cystinyl aminopeptidase; Leucylcystinyl Aminopeptidase; Leucyl-cystinyl Aminopeptidase; LNPEP; Otase; Oxytocinase; Placental leucine aminopeptidase; PLAP; P-LAP; P-LAPinsulin-regulated aminopeptidase; Vasopressinase
Mass (kDA):
117.349 kDA
Human | |
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Location: | 5q15 |
Sequence: | 5; NC_000005.10 (96934859..97037513) |
Highly expressed in placenta, heart, kidney and small intestine. Detected at lower levels in neuronal cells in the brain, in skeletal muscle, spleen, liver, testes and colon.
Cell membrane; Single-pass type II membrane protein. In brain only the membrane-bound form is found. The protein resides in intracellular vesicles together with GLUT4 and can then translocate to the cell surface in response to insulin and/or oxytocin. Localization may be determined by dileucine internalization motifs, and/or by interaction with tankyrases.; [Leucyl-cystinyl aminopeptidase, pregnancy serum form]: Secreted. During pregnancy serum levels are low in the first trimester, rise progressively during the second and third trimester and decrease rapidly after parturition.
PMID: 8550619 by Rogi T., et al. Human placental leucine aminopeptidase/oxytocinase. A new member of type II membrane-spanning zinc metallopeptidase family.
PMID: 9177475 by Laustsen P.G., et al. The complete amino acid sequence of human placental oxytocinase.