Peptide Database

Peptide NameProbable insulin-like peptide alpha-type 1

Function Ontology

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Standard StatusStandard

Sequence Length52 amino acids

Chemical FormulaC261H421N71O75S8

DescriptionStandard

        KKHVRFLCATKAVKHIRKVCPDMCLTGEEVEVNEFCKMGYSDSQIKYICCPE
    

Molecular Weight6010.09 Da

Isoelectric Point (pI)8.29

Net Charge (pH 7.0)1.89

Net Charge (pH 7.4) 1.47

Charge Density (pH 7.0) 0.0363

GRAVY Index-0.26

Hydrophobic Moment 0.74

Boman Index-0.08

Instability Index42.67

Aliphatic Index 69.23

Aromaticity 0.0769

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3355.00

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

Amino Acid Composition

TPSA 2361.80

LogP -20.06

H-bond Donors 87.0

H-bond Acceptors 87.0

Rotatable Bonds 204.0

Heavy Atoms 415.0

Ring Count 8.0

Amide Bonds 53.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0310590 VERIFIED: YES

Provenance & Taxonomy

OrganismCaenorhabditis elegans [Animal]

FamilyProbable insulin-like peptide alpha-type

Tax ID6239

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide8-36; 20-49; 24-50

Bio-Activity Profile

Function

-

Half-LifeMammalian: 1.3 hour; Yeast: 3 min; E. coli: 2 min