Peptide Database

Peptide NameProbable insulin-like peptide 2 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Sleep regulation

Regulatory peptide ▸ Biological modulation

Regulatory peptide ▸ Biological regulation

Reproductive biology ▸ Reproductive modulation

Standard StatusStandard

Sequence Length24 amino acids

Chemical FormulaC119H191N29O39S3

DescriptionStandard

        TLCSEKLNEVLSMVCEEYNPVIPH
    

Molecular Weight2748.16 Da

Isoelectric Point (pI)4.48

Net Charge (pH 7.0)-3.53

Net Charge (pH 7.4) -3.80

Charge Density (pH 7.0) -0.1469

GRAVY Index0.02

Hydrophobic Moment 0.47

Boman Index0.11

Instability Index33.28

Aliphatic Index 101.25

Aromaticity 0.0417

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1615.00

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

Amino Acid Composition

TPSA 1086.04

LogP -9.06

H-bond Donors 37.0

H-bond Acceptors 40.0

Rotatable Bonds 88.0

Heavy Atoms 190.0

Ring Count 4.0

Amide Bonds 25.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0050701 VERIFIED: YES

Provenance & Taxonomy

OrganismDrosophila melanogaster [Animal]

FamilyProbable insulin-like peptide

Tax ID7227

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation Reproductive regulator Growth regulation Development regulation Receptor modulation Sleep regulation Wake regulation Feeding regulator

Half-LifeMammalian: 7.2 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0300094 VERIFIED: YES