Peptide Database

Peptide NameRelaxin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC185H300N50O53S2

DescriptionStandard

        RVTKEWLDEVIHVCGREYVRAILDICAATVGLEAPPL
    

Molecular Weight4136.79 Da

Isoelectric Point (pI)5.01

Net Charge (pH 7.0)-2.16

Net Charge (pH 7.4) -2.45

Charge Density (pH 7.0) -0.0584

GRAVY Index0.34

Hydrophobic Moment 0.75

Boman Index0.13

Instability Index23.36

Aliphatic Index 123.78

Aromaticity 0.0541

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7115.00

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

Amino Acid Composition

TPSA 1634.02

LogP -10.60

H-bond Donors 59.0

H-bond Acceptors 54.0

Rotatable Bonds 132.0

Heavy Atoms 290.0

Ring Count 6.0

Amide Bonds 36.0

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_0004264 VERIFIED: NO

Provenance & Taxonomy

OrganismMesocricetus auratus [Animal]

FamilyInsulin

Tax ID10036

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Metabolic

RECORD: Rec_0379401 VERIFIED: YES

Provenance & Taxonomy

OrganismMesocricetus auratus [Animal]

FamilyRelaxin

Tax ID10036

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 1 hour; Yeast: 2 min; E. coli: 2 min

RECORD: Rec_0397822 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/