Peptide Database

Peptide NameBombyxin C-2 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length25 amino acids

Chemical FormulaC128H189N31O37S4

DescriptionStandard

        QTASQFYCGDFLARTMSILCWPDMP
    

Molecular Weight2882.32 Da

Isoelectric Point (pI)4.21

Net Charge (pH 7.0)-1.26

Net Charge (pH 7.4) -1.49

Charge Density (pH 7.0) -0.0503

GRAVY Index0.11

Hydrophobic Moment 0.47

Boman Index0.17

Instability Index73.62

Aliphatic Index 54.80

Aromaticity 0.1600

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7115.00

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

Amino Acid Composition

TPSA 1083.76

LogP -9.13

H-bond Donors 39.0

H-bond Acceptors 40.0

Rotatable Bonds 87.0

Heavy Atoms 200.0

Ring Count 7.0

Amide Bonds 26.0

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_0324372 VERIFIED: YES

Provenance & Taxonomy

OrganismBombyx mori [Animal]

FamilyBombyxin

Tax ID7091

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

Bio-Activity Profile

Function

Hormone Endocrine Growth regulation Development regulation

Targetpeptide responsible for activation of prothoracic gland

Half-LifeMammalian: 0.8 hour; Yeast: 10 min; E. coli: >10 hour

RECORD: Rec_0416193 VERIFIED: YES