Peptide Database

Peptide NamePyrokinin-1

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC55H76N12O12

DescriptionStandard

        FYAPFSPRL
    

Molecular Weight1097.27 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0843

GRAVY Index0.16

Hydrophobic Moment 0.27

Boman Index0.21

Instability Index154.67

Aliphatic Index 54.44

Aromaticity 0.3333

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 380.90

LogP -0.96

H-bond Donors 13.0

H-bond Acceptors 13.0

Rotatable Bonds 28.0

Heavy Atoms 79.0

Ring Count 5.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0186864 VERIFIED: YES

Provenance & Taxonomy

OrganismNezara viridula [Animal]

FamilyPyrokinin

Tax ID85310

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

-

Half-LifeMammalian: 1.1 hour; Yeast: 3 min; E. coli: 2 min

RECORD: Rec_0238605 VERIFIED: YES

Provenance & Taxonomy

OrganismNezara viridula [Animal]

FamilyPyrokinin

Tax ID85310

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Invertebrate neurohormone

RECORD: Rec_0302695 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide

Paper数据库级溯源文献：Wang Y, Wang M, Yin S, et al. NeuroPep: a comprehensive resource of neuropeptides. Database (Oxford). 2015:bav038. PMID 25931458; Bin Y, Zhang W, Tang W, et al. Prediction of Neuropeptides from Sequence Information Using Ensemble Classifier and Hybrid Features. J Proteome Res. 2020;19(9):3732-3740. PMID 32786686. PMID25931458;32786686 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/25931458/