Peptide Database

Peptide NameBombyxin B-9 A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length24 amino acids

Chemical FormulaC116H185N29O35S4

DescriptionStandard

        EPGVVDECCFRPCKLEVLKSYCGV
    

Molecular Weight2674.14 Da

Isoelectric Point (pI)4.87

Net Charge (pH 7.0)-1.20

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0500

GRAVY Index0.20

Hydrophobic Moment 0.43

Boman Index0.06

Instability Index27.46

Aliphatic Index 80.83

Aromaticity 0.0833

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1740.00

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

Amino Acid Composition

TPSA 1018.64

LogP -7.97

H-bond Donors 38.0

H-bond Acceptors 38.0

Rotatable Bonds 85.0

Heavy Atoms 184.0

Ring Count 4.0

Amide Bonds 23.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0029970 VERIFIED: YES

Provenance & Taxonomy

OrganismBombyx mori [Animal]

FamilyBombyxin

Tax ID7091

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide8-13

Bio-Activity Profile

Function

Hormone Endocrine Growth regulation Development regulation

Targetpeptide responsible for activation of prothoracic gland

Half-LifeMammalian: 1 hour; Yeast: 30 min; E. coli: >10 hour

RECORD: Rec_0374522 VERIFIED: YES