Peptide Database

Peptide NameBombyxin B-12 A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC97H150N22O32S4

DescriptionStandard

        GVVDECCFQPCTLDVLLSYCG
    

Molecular Weight2264.62 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-3.28

Net Charge (pH 7.4) -3.54

Charge Density (pH 7.0) -0.1560

GRAVY Index0.84

Hydrophobic Moment 0.21

Boman Index0.31

Instability Index44.40

Aliphatic Index 97.14

Aromaticity 0.0952

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 852.21

LogP -7.67

H-bond Donors 32.0

H-bond Acceptors 33.0

Rotatable Bonds 69.0

Heavy Atoms 155.0

Ring Count 3.0

Amide Bonds 21.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0045849 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]

Disulfide6-11

Bio-Activity Profile

Function

Hormone Endocrine Growth regulation Development regulation

Half-LifeMammalian: 30 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0349937 VERIFIED: YES