Peptide Database

Peptide NameBactericidal permeability-increasing protein (BPI)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibiotic activity

Venom / Toxin ▸ General toxin ▸ Cytotoxin

Standard StatusStandard

Sequence Length221 amino acids

Chemical FormulaC1110H1707N257O341S9

DescriptionStandard

        QIDDLAEVDYSLSSLPAVFRPFIDLDLKGIVFPAGNHTDSPYVPASFTIPDQSDSMLYLAFSEYFFQTSSFAYYTAGAFNMTIAEETCSYFNINTEIFGTIIPEVAKYSVTPNPVMLKLMATEIPIISLEQDSFTVEIQGSMEVLAVLPDSTTQSLFTMNIAANTSISLNIFDQKLMGSLCLNRLQFSLAHSNVGSFEVLLLENILSYILQTEVIPSVNGK
    

Molecular Weight24396.53 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-17.05

Net Charge (pH 7.4) -17.43

Charge Density (pH 7.0) -0.0772

GRAVY Index0.31

Hydrophobic Moment 0.60

Boman Index0.24

Instability Index45.65

Aliphatic Index 101.04

Aromaticity 0.1131

Extinction Coeff. Reduced 13410.00

Extinction Coeff. Oxidized 13535.00

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

Amino Acid Composition

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0276734 VERIFIED: NO

Provenance & Taxonomy

OrganismChaetorhynchus papuensis [Animal]

FamilyBPI

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antibiotic Antimicrobial Anti-Gram-negative Cytotoxin

TargetGram-negative bacteria