Peptide Database

Peptide NameBombyxin C-1 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length25 amino acids

Chemical FormulaC123H182N32O40S4

DescriptionStandard

        QTASQFYCGDFLARTMSSLCWSDMQ
    

Molecular Weight2877.21 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 Index-0.14

Hydrophobic Moment 0.54

Boman Index0.06

Instability Index56.05

Aliphatic Index 39.20

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 1184.89

LogP -13.94

H-bond Donors 44.0

H-bond Acceptors 43.0

Rotatable Bonds 92.0

Heavy Atoms 199.0

Ring Count 5.0

Amide Bonds 27.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0079365 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_0288506 VERIFIED: YES