Peptide Database

Peptide NameRelaxin A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length24 amino acids

Chemical FormulaC111H180N30O35S6

DescriptionStandard

        EEKMGFAKKCCAIGCSTEDFRMVC
    

Molecular Weight2687.19 Da

Isoelectric Point (pI)6.31

Net Charge (pH 7.0)-0.20

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0083

GRAVY Index-0.03

Hydrophobic Moment 0.35

Boman Index-0.04

Instability Index49.66

Aliphatic Index 36.67

Aromaticity 0.0833

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 250.00

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

Amino Acid Composition

TPSA 1062.24

LogP -10.64

H-bond Donors 41.0

H-bond Acceptors 41.0

Rotatable Bonds 93.0

Heavy Atoms 182.0

Ring Count 2.0

Amide Bonds 23.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0288840 VERIFIED: YES

Provenance & Taxonomy

OrganismLeucoraja erinacea [Animal]

FamilyRelaxin

Tax ID7782

Structure & Mods

Configdisulfide-constrained peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide10-15

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 1 hour; Yeast: 30 min; E. coli: >10 hour