Peptide Database

Peptide NameAlpha-SG neuropeptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC41H68N8O9

DescriptionStandard

        VIFTPKL
    

Molecular Weight817.03 Da

Isoelectric Point (pI)8.72

Net Charge (pH 7.0)0.73

Net Charge (pH 7.4) 0.52

Charge Density (pH 7.0) 0.1047

GRAVY Index1.30

Hydrophobic Moment 0.13

Boman Index0.47

Instability Index-3.56

Aliphatic Index 152.86

Aromaticity 0.1429

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 275.38

LogP 0.31

H-bond Donors 9.0

H-bond Acceptors 10.0

Rotatable Bonds 24.0

Heavy Atoms 58.0

Ring Count 2.0

Amide Bonds 6.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0336261 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_0385927 VERIFIED: YES

Provenance & Taxonomy

OrganismGalleria mellonella [Animal]

FamilyPyrokinin

Tax ID7137

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Invertebrate neurohormone

RECORD: Rec_0404553 VERIFIED: YES

Provenance & Taxonomy

OrganismHelicoverpa zea [Animal]

FamilyPyrokinin

Tax ID7113

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Invertebrate neurohormone

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