Peptide Database

Peptide NameBombyxin A-2 homolog B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC131H203N37O41S3

DescriptionStandard

        DDTAHVYCGRRLATMLLYVCDNQYQV
    

Molecular Weight3048.43 Da

Isoelectric Point (pI)5.30

Net Charge (pH 7.0)-1.17

Net Charge (pH 7.4) -1.46

Charge Density (pH 7.0) -0.0451

GRAVY Index-0.17

Hydrophobic Moment 0.55

Boman Index-0.02

Instability Index18.41

Aliphatic Index 86.15

Aromaticity 0.1154

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4595.00

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

Amino Acid Composition

TPSA 1285.62

LogP -12.16

H-bond Donors 47.0

H-bond Acceptors 44.0

Rotatable Bonds 97.0

Heavy Atoms 212.0

Ring Count 4.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0189361 VERIFIED: YES

Provenance & Taxonomy

OrganismSamia cynthia [Animal]

FamilyBombyxin A-2 homolog

Tax ID7127

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: 1.1 hour; Yeast: 3 min; E. coli: >10 hour