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 Length473 amino acids

Chemical FormulaC2314H3738N604O666S18

DescriptionStandard

        MFLLKCLPLVALIAAAFSANPGVKIRLTQKGLEYGRQLGVASLLEKLKTAQIPDFSGKERVSPIGKVQYSLTNIHIVNLGLPQSSINLVPGSGVQLSISNAFINLRGNWRVKYLRIIKDSGSLDVNVNGLSISQTIAIKSDATGKPEASSAACSASVSSAKVKFHGGASWLYNLFSKFIDKALRKALEKQMCPLVAKSIADLNPRLKTLNVLAKVDKYAEIEYSMVSSPQISQPAIDLNLKGEFYNIGRHQEAPFPAPAFSLPAQSSNMIYIALSSFTPNSAGFVYNNAGVLSMYVTDDMIPRSSPIRLSTSTFGFFIPQIAQRFPNLMMKMLVKADKNPVVKFQPNVMTVDATATATAYAIQPNGTLSPLFVLNVDSSVSSQMSVSDLKLASRITLNKMSLSLGTSYVGDFKVNSLDNILQVILKLVVIPTVNVQLSKGYPLPALGKMKLVNTQLQIMQDYLMIGTDVQFTG
    

Molecular Weight51253.25 Da

Isoelectric Point (pI)9.69

Net Charge (pH 7.0)18.73

Net Charge (pH 7.4) 18.22

Charge Density (pH 7.0) 0.0396

GRAVY Index0.17

Hydrophobic Moment 0.85

Boman Index0.14

Instability Index38.71

Aliphatic Index 104.10

Aromaticity 0.0761

Extinction Coeff. Reduced 31860.00

Extinction Coeff. Oxidized 31985.00

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_0416912 VERIFIED: NO

Provenance & Taxonomy

OrganismOryzias sinensis [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

MethodQualitative functional evidence