Peptide Database

Peptide NameUnnamed

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length51 amino acids

Chemical FormulaC247H387N67O79S3

DescriptionStandard

        QVNFSPGWGTGKRSAVQDSPCKGSAESLMYIYKLVQNEAQKILECEKFSSN
    

Molecular Weight5655.31 Da

Isoelectric Point (pI)7.99

Net Charge (pH 7.0)0.75

Net Charge (pH 7.4) 0.50

Charge Density (pH 7.0) 0.0146

GRAVY Index-0.58

Hydrophobic Moment 0.56

Boman Index-0.06

Instability Index58.68

Aliphatic Index 61.18

Aromaticity 0.0980

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 8605.00

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

Amino Acid Composition

TPSA 2398.96

LogP -27.99

H-bond Donors 83.0

H-bond Acceptors 83.0

Rotatable Bonds 191.0

Heavy Atoms 396.0

Ring Count 8.0

Amide Bonds 57.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0088405 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/

RECORD: Rec_0121492 VERIFIED: YES

Provenance & Taxonomy

OrganismBlaberus discoidalis [Animal]

FamilyHypertrehalosaemic prohormone

Tax ID6981

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

Other Mods10:Threonine amide

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator

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

RECORD: Rec_0138510 VERIFIED: NO

Provenance & Taxonomy

OrganismBlaberus discoidalis [Animal]

FamilyAKH/HRTH/RPCH

Tax ID6981

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

Other ModsThr10 Amidation

Bio-Activity Profile

Function

Neuropeptide Invertebrate neurohormone Metabolic