Peptide Database

Peptide NameUnnamed

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length25 amino acids

Chemical FormulaC129H197N35O39S5

DescriptionStandard

        QRTTNLVCECCFNYCTPDVVRKYCY
    

Molecular Weight3022.48 Da

Isoelectric Point (pI)7.81

Net Charge (pH 7.0)0.71

Net Charge (pH 7.4) 0.43

Charge Density (pH 7.0) 0.0284

GRAVY Index-0.25

Hydrophobic Moment 0.49

Boman Index-0.12

Instability Index31.19

Aliphatic Index 50.40

Aromaticity 0.1600

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4720.00

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

Amino Acid Composition

TPSA 1228.00

LogP -12.56

H-bond Donors 48.0

H-bond Acceptors 45.0

Rotatable Bonds 93.0

Heavy Atoms 208.0

Ring Count 5.0

Amide Bonds 27.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0069666 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_0160746 VERIFIED: YES

Provenance & Taxonomy

OrganismLymnaea stagnalis [Animal]

FamilyMolluscan insulin-related peptide

Tax ID6523

Structure & Mods

Configdisulfide-constrained peptide [Cyclic]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

Disulfide10-15

Bio-Activity Profile

Function

Hormone Endocrine

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

RECORD: Rec_0265566 VERIFIED: YES

Provenance & Taxonomy

OrganismLymnaea stagnalis [Animal]

FamilyInsulin

Tax ID6523

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

Bio-Activity Profile

Function

Hormone Metabolic