Peptide Database

Peptide NameRelaxin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC156H255N47O46S2

DescriptionStandard

        QSTNDLIKACGRELVRLWVEICGSVRWGQSAL
    

Molecular Weight3589.11 Da

Isoelectric Point (pI)8.06

Net Charge (pH 7.0)0.75

Net Charge (pH 7.4) 0.51

Charge Density (pH 7.0) 0.0233

GRAVY Index0.03

Hydrophobic Moment 0.77

Boman Index0.02

Instability Index68.96

Aliphatic Index 106.56

Aromaticity 0.0625

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 1530.81

LogP -15.20

H-bond Donors 57.0

H-bond Acceptors 49.0

Rotatable Bonds 120.0

Heavy Atoms 251.0

Ring Count 4.0

Amide Bonds 34.0

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_0185786 VERIFIED: YES

Provenance & Taxonomy

OrganismBalaenoptera acutorostrata [Animal]

FamilyRelaxin

Tax ID9767

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

Bio-Activity Profile

Function

Hormone Endocrine

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