Peptide Database

Peptide NameInsulin-like 3 A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological modulation

Regulatory peptide ▸ Biological regulation

Reproductive biology ▸ Reproductive modulation

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC112H186N36O36S4

DescriptionStandard

        SVATNAVHRCCLTGCTQQDLLGLCPH
    

Molecular Weight2741.15 Da

Isoelectric Point (pI)6.64

Net Charge (pH 7.0)-0.40

Net Charge (pH 7.4) -0.77

Charge Density (pH 7.0) -0.0155

GRAVY Index0.27

Hydrophobic Moment 0.42

Boman Index0.11

Instability Index39.84

Aliphatic Index 90.00

Aromaticity 0.0000

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 1148.78

LogP -15.25

H-bond Donors 43.0

H-bond Acceptors 42.0

Rotatable Bonds 86.0

Heavy Atoms 188.0

Ring Count 3.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0259865 VERIFIED: YES

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

FamilyInsulin-like

Tax ID10116

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide10-15

Bio-Activity Profile

Function

Hormone Endocrine Reproductive regulator Growth regulation Development regulation Receptor modulation

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour