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protachykinin-1; PPT; preprotachykinin A; contains: substance P; neurokinin A; NKA; neuromedin L; substance K; neuropeptide K; NPK; neuropeptide gamma; C-terminal-flanking peptide (TAC1, NKA, NKNA, TAC2)

Function: - tachykinins are active peptides which excite neurons, evoke behavioral responses, are potent vasodilators & secretagogues, & contract (directly or indirectly) many smooth muscles Structure: belongs to the tachykinin family Compartment: secreted Alternative splicing: named isoforms=4; alpha, beta, gamma, delta

Specific

protachykinin alpha protachykinin beta protachykinin gamma

General

preprotachykinin

Properties

SIZE: entity length = 129 aa MW = 15 kD COMPARTMENT: extracellular compartment MOTIF: signal sequence {1-19}

Database Correlations

OMIM 162320 UniProt P20366 Entrez Gene 6863 Kegg hsa:6863

References

  1. UniProt :accession P20366
  2. Wikipedia; Note: neurokinin-1 entry http://en.wikipedia.org/wiki/neurokinin_1