Peptide Database

Peptide NameSulfakinin-1

Function Ontology

Gastrointestinal bioactivity

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC60H80N16O17S

DescriptionStandard

        QFDEYGHMRF
    

Molecular Weight1329.44 Da

Isoelectric Point (pI)5.32

Net Charge (pH 7.0)-1.15

Net Charge (pH 7.4) -1.41

Charge Density (pH 7.0) -0.1150

GRAVY Index-1.24

Hydrophobic Moment 0.16

Boman Index-0.17

Instability Index-2.23

Aliphatic Index 0.00

Aromaticity 0.3000

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 553.72

LogP -3.59

H-bond Donors 19.0

H-bond Acceptors 18.0

Rotatable Bonds 42.0

Heavy Atoms 94.0

Ring Count 4.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0124261 VERIFIED: YES

Provenance & Taxonomy

OrganismPenaeus monodon [Animal]

FamilyGastrin/cholecystokinin

Tax ID6687

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Gastrointestinal Neuropeptide

RECORD: Rec_0168265 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_0176608 VERIFIED: YES

Provenance & Taxonomy

OrganismPenaeus monodon [Animal]

FamilySulfakinin

Tax ID6687

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

-

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