Peptide Database

Peptide NameProbable insulin-like peptide beta-type 4

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length48 amino acids

Chemical FormulaC229H367N71O71S8

DescriptionStandard

        IYRCGRRIHSYVFAVCGKACESNTEVNIASKCCREECTDDFIRKQCCP
    

Molecular Weight5507.32 Da

Isoelectric Point (pI)8.20

Net Charge (pH 7.0)1.78

Net Charge (pH 7.4) 1.39

Charge Density (pH 7.0) 0.0370

GRAVY Index-0.34

Hydrophobic Moment 0.81

Boman Index-0.18

Instability Index72.10

Aliphatic Index 56.88

Aromaticity 0.0833

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3480.00

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

Amino Acid Composition

TPSA 2333.15

LogP -27.18

H-bond Donors 91.0

H-bond Acceptors 82.0

Rotatable Bonds 183.0

Heavy Atoms 379.0

Ring Count 6.0

Amide Bonds 50.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0212023 VERIFIED: YES

Provenance & Taxonomy

OrganismCaenorhabditis elegans [Animal]

FamilyProbable insulin-like peptide beta-type

Tax ID6239

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide4-33; 16-46; 20-47; 32-37

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 20 hour; Yeast: 30 min; E. coli: >10 hour