Peptide Database

Peptide NameRelaxin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC155H254N46O46S2

DescriptionStandard

        QSTNDLIKACGRELVRLWVEICGSVSWGRTAL
    

Molecular Weight3562.09 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 Index0.12

Hydrophobic Moment 0.77

Boman Index0.04

Instability Index37.33

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 1507.95

LogP -15.08

H-bond Donors 57.0

H-bond Acceptors 49.0

Rotatable Bonds 118.0

Heavy Atoms 249.0

Ring Count 4.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0004208 VERIFIED: YES

Provenance & Taxonomy

OrganismBalaenoptera edeni [Animal]

FamilyRelaxin

Tax ID9769

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