Peptide Database

Peptide NameUnnamed

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC101H161N33O28S4

DescriptionStandard

        QLSHKCCYWGCTRKELARQC
    

Molecular Weight2413.82 Da

Isoelectric Point (pI)8.92

Net Charge (pH 7.0)2.81

Net Charge (pH 7.4) 2.49

Charge Density (pH 7.0) 0.1404

GRAVY Index-0.76

Hydrophobic Moment 0.36

Boman Index-0.28

Instability Index33.13

Aliphatic Index 44.00

Aromaticity 0.1000

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7240.00

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

Amino Acid Composition

TPSA 1020.70

LogP -10.74

H-bond Donors 41.0

H-bond Acceptors 36.0

Rotatable Bonds 80.0

Heavy Atoms 166.0

Ring Count 4.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0122131 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_0315828 VERIFIED: YES

Provenance & Taxonomy

OrganismEquus caballus [Animal]

FamilyRelaxin

Tax ID9796

Structure & Mods

Configdisulfide-constrained peptide [Cyclic]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

Disulfide6-11

Bio-Activity Profile

Function

Hormone Endocrine

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

RECORD: Rec_0353862 VERIFIED: YES

Provenance & Taxonomy

OrganismEquus caballus [Animal]

FamilyInsulin

Tax ID9796

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

Bio-Activity Profile

Function

Hormone Metabolic