Peptide Database

Peptide NameBombyxin F-1 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC145H231N45O46S4

DescriptionStandard

        QELGGSRRYCGRHLAQTMAVLCWGIDEMSAE
    

Molecular Weight3468.92 Da

Isoelectric Point (pI)5.63

Net Charge (pH 7.0)-1.16

Net Charge (pH 7.4) -1.45

Charge Density (pH 7.0) -0.0374

GRAVY Index-0.31

Hydrophobic Moment 0.57

Boman Index-0.03

Instability Index68.05

Aliphatic Index 69.35

Aromaticity 0.0645

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 1482.79

LogP -15.87

H-bond Donors 55.0

H-bond Acceptors 50.0

Rotatable Bonds 116.0

Heavy Atoms 240.0

Ring Count 4.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0207354 VERIFIED: YES

Provenance & Taxonomy

OrganismBombyx mori [Animal]

FamilyBombyxin F

Tax ID7091

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Growth regulation Development regulation

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