Peptide Database

Peptide NameProbable insulin-like peptide 6 A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological modulation

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC121H196N34O41S4

DescriptionStandard

        DLQNVTDLCCKSGGCTYRELLQYCKG
    

Molecular Weight2911.31 Da

Isoelectric Point (pI)6.09

Net Charge (pH 7.0)-0.28

Net Charge (pH 7.4) -0.55

Charge Density (pH 7.0) -0.0107

GRAVY Index-0.38

Hydrophobic Moment 0.51

Boman Index-0.09

Instability Index36.04

Aliphatic Index 71.15

Aromaticity 0.0769

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 1247.08

LogP -14.64

H-bond Donors 47.0

H-bond Acceptors 45.0

Rotatable Bonds 98.0

Heavy Atoms 200.0

Ring Count 2.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0184730 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]

Disulfide9-15

Bio-Activity Profile

Function

Hormone Endocrine Receptor modulation

Half-LifeMammalian: 1.1 hour; Yeast: 3 min; E. coli: >10 hour