Peptide Database

Peptide NameUnnamed

Function Ontology

Gastrointestinal bioactivity

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length47 amino acids

Chemical FormulaC242H377N65O76S3

DescriptionStandard

        DLLASLTHEQKQLIMSQLLPELLSELSNAEDHLHPMRDRDYAGWMDF
    

Molecular Weight5509.17 Da

Isoelectric Point (pI)4.54

Net Charge (pH 7.0)-5.96

Net Charge (pH 7.4) -6.33

Charge Density (pH 7.0) -0.1269

GRAVY Index-0.45

Hydrophobic Moment 0.50

Boman Index-0.01

Instability Index54.03

Aliphatic Index 97.66

Aromaticity 0.0638

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 2265.43

LogP -18.51

H-bond Donors 76.0

H-bond Acceptors 76.0

Rotatable Bonds 184.0

Heavy Atoms 386.0

Ring Count 9.0

Amide Bonds 50.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0024821 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_0165363 VERIFIED: YES

Provenance & Taxonomy

OrganismPseudis bolbodactyla [Animal]

FamilyGastrin

Tax ID428381

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

Half-LifeMammalian: 1.1 hour; Yeast: 3 min; E. coli: >10 hour

RECORD: Rec_0178964 VERIFIED: YES

Provenance & Taxonomy

OrganismPseudis bolbodactyla [Animal]

FamilyGastrin/cholecystokinin

Tax ID428381

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Gastrointestinal Neuropeptide

RECORD: Rec_0402750 VERIFIED: NO

Provenance & Taxonomy

OrganismRana catesbeiana [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone