Peptide Database

Peptide NameRelaxin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Reproductive biology ▸ Reproductive modulation

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC143H232N40O43S3

DescriptionStandard

        DSWMDEVIKLCGRELVRAQIAICGKSTWS
    

Molecular Weight3295.81 Da

Isoelectric Point (pI)6.20

Net Charge (pH 7.0)-0.25

Net Charge (pH 7.4) -0.49

Charge Density (pH 7.0) -0.0088

GRAVY Index0.00

Hydrophobic Moment 0.71

Boman Index0.02

Instability Index10.50

Aliphatic Index 94.14

Aromaticity 0.0690

Extinction Coeff. Reduced 11000.00

Extinction Coeff. Oxidized 11125.00

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

Amino Acid Composition

TPSA 1358.75

LogP -12.03

H-bond Donors 51.0

H-bond Acceptors 46.0

Rotatable Bonds 111.0

Heavy Atoms 229.0

Ring Count 4.0

Amide Bonds 29.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0031766 VERIFIED: YES

Provenance & Taxonomy

OrganismPan troglodytes [Animal]

FamilyRelaxin

Tax ID9598

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Reproductive regulator

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

RECORD: Rec_0050259 VERIFIED: YES

Provenance & Taxonomy

OrganismPan troglodytes [Animal]

FamilyRelaxin

Tax ID9598

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Reproductive regulator

Targetremodeling of connective tissue

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

RECORD: Rec_0143158 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_0381016 VERIFIED: NO

Provenance & Taxonomy

OrganismPan troglodytes [Animal]

FamilyInsulin

Tax ID9598

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Metabolic