Peptide Database

Peptide NameProbable insulin-like peptide 1 A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological modulation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC152H240N42O43S4

DescriptionStandard

        HRRHLTGGVYDECCVKTCSYLELAIYCLPK
    

Molecular Weight3472.05 Da

Isoelectric Point (pI)7.88

Net Charge (pH 7.0)0.90

Net Charge (pH 7.4) 0.52

Charge Density (pH 7.0) 0.0299

GRAVY Index-0.08

Hydrophobic Moment 0.36

Boman Index-0.00

Instability Index65.86

Aliphatic Index 87.67

Aromaticity 0.1000

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4720.00

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

Amino Acid Composition

TPSA 1364.91

LogP -10.97

H-bond Donors 53.0

H-bond Acceptors 50.0

Rotatable Bonds 111.0

Heavy Atoms 241.0

Ring Count 6.0

Amide Bonds 29.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0116777 VERIFIED: YES

Provenance & Taxonomy

OrganismDrosophila melanogaster [Animal]

FamilyProbable insulin-like peptide

Tax ID7227

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide13-18

Bio-Activity Profile

Function

Hormone Endocrine Receptor modulation

Half-LifeMammalian: 3.5 hour; Yeast: 10 min; E. coli: >10 hour