Peptide Database

Peptide NameSchistostatin-4

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ Invertebrate inhibitory neuropeptide

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Invertebrate inhibitory neuropeptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC46H68N12O13

DescriptionStandard

        GPRTYSFGL
    

Molecular Weight997.10 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 Index-0.34

Hydrophobic Moment 0.37

Boman Index0.09

Instability Index0.51

Aliphatic Index 43.33

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 409.92

LogP -4.08

H-bond Donors 15.0

H-bond Acceptors 14.0

Rotatable Bonds 28.0

Heavy Atoms 71.0

Ring Count 3.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0038854 VERIFIED: NO

Provenance & Taxonomy

OrganismSchistocerca gregaria [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0097808 VERIFIED: YES

Provenance & Taxonomy

OrganismSchistocerca gregaria [Animal]

FamilyScg-AST

Tax ID7010

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 30 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0119615 VERIFIED: YES

Provenance & Taxonomy

OrganismSchistocerca gregaria [Animal]

FamilyAllatostatin

Tax ID7010

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide Invertebrate inhibitory neuropeptide

RECORD: Rec_0192945 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/