Peptide Database

Peptide NameHistone H2B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibiotic activity

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Defense peptide

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Standard StatusStandard

Sequence Length126 amino acids

Chemical FormulaC613H1026N182O179S3

DescriptionStandard

        MPEPAKSAPAAKKGSKKAVSKVQKKDGKKRRKSRKESYAIYVYKVLKQVHPDTGISSKAMSIMNSFVNDIFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVTKYTSAK
    

Molecular Weight13906.01 Da

Isoelectric Point (pI)10.31

Net Charge (pH 7.0)17.76

Net Charge (pH 7.4) 17.34

Charge Density (pH 7.0) 0.1410

GRAVY Index-0.65

Hydrophobic Moment 0.77

Boman Index-0.18

Instability Index47.12

Aliphatic Index 72.86

Aromaticity 0.0556

Extinction Coeff. Reduced 7450.00

Extinction Coeff. Oxidized 7450.00

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

Amino Acid Composition

TPSA 5916.03

LogP -65.35

H-bond Donors 211.0

H-bond Acceptors 203.0

Rotatable Bonds 485.0

Heavy Atoms 977.0

Ring Count 15.0

Amide Bonds 131.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0142421 VERIFIED: YES

Provenance & Taxonomy

OrganismZhangixalus schlegelii [Animal]

FamilyHistone-derived

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Defense peptide Antimicrobial Antibiotic Anti-Gram-negative Non-hemolytic

TargetEscherichia coli (Gram-negative)