Peptide Database

Peptide NameBombyxin B-6 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC120H189N33O43S2

DescriptionStandard

        EAQEVARTYCGRDLADTLADLCFGVE
    

Molecular Weight2846.11 Da

Isoelectric Point (pI)4.18

Net Charge (pH 7.0)-4.17

Net Charge (pH 7.4) -4.38

Charge Density (pH 7.0) -0.1604

GRAVY Index-0.08

Hydrophobic Moment 0.63

Boman Index-0.00

Instability Index4.71

Aliphatic Index 82.69

Aromaticity 0.0769

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 1242.20

LogP -13.07

H-bond Donors 45.0

H-bond Acceptors 41.0

Rotatable Bonds 93.0

Heavy Atoms 198.0

Ring Count 2.0

Amide Bonds 26.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0188604 VERIFIED: YES

Provenance & Taxonomy

OrganismBombyx mori [Animal]

FamilyBombyxin

Tax ID7091

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

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_0325773 VERIFIED: YES