Peptide Database

Peptide NameENn

Function Ontology

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC47H64N12O14

DescriptionStandard

        QPSYGHSFV
    

Molecular Weight1021.08 Da

Isoelectric Point (pI)6.74

Net Charge (pH 7.0)-0.15

Net Charge (pH 7.4) -0.41

Charge Density (pH 7.0) -0.0171

GRAVY Index-0.51

Hydrophobic Moment 0.19

Boman Index0.17

Instability Index42.26

Aliphatic Index 32.22

Aromaticity 0.2222

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 419.79

LogP -4.52

H-bond Donors 14.0

H-bond Acceptors 15.0

Rotatable Bonds 28.0

Heavy Atoms 73.0

Ring Count 4.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0099367 VERIFIED: YES

Provenance & Taxonomy

OrganismAplysia californica [Animal]

Tax ID6500

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

C-TermAmidation

Bio-Activity Profile

Function

-

RECORD: Rec_0156070 VERIFIED: YES

Provenance & Taxonomy

OrganismAplysia californica [Animal]

FamilyENn

Tax ID6500

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Neuromodulator Metabolic regulation Physiological regulation Myotropic Pruriceptive Feeding regulator

Half-LifeMammalian: 0.8 hour; Yeast: 10 min; E. coli: >10 hour

RECORD: Rec_0191056 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/