Peptide Database

Peptide NameCath-B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic

Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC203H345N59O39

DescriptionStandard

        KRFKKFFRKLKKSVKKRKKEFKKKPRVIGVSIPF
    

Molecular Weight4236.28 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)15.75

Net Charge (pH 7.4) 15.53

Charge Density (pH 7.0) 0.4632

GRAVY Index-1.12

Hydrophobic Moment 0.90

Boman Index-0.50

Instability Index14.58

Aliphatic Index 60.00

Aromaticity 0.1471

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 1669.66

LogP -9.06

H-bond Donors 61.0

H-bond Acceptors 55.0

Rotatable Bonds 157.0

Heavy Atoms 301.0

Ring Count 7.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0280940 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetMRSA PS-18

Activity128 μg/mL

MethodMIC

PaperThe antimicrobial potential of a new derivative of cathelicidin from Bungarus fasciatus against methicillin-resistant Staphylococcus aureus. J Microbiol. 2018 Feb;56(2):128-137. doi: 10.1007/s12275-018-7444-5. PMID: 29392557. PMID29392557 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/29392557/

RECORD: Rec_0327681 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyCathelicidin

Tax ID32630.0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetMRSA PS-45

Activity64 μg/mL

MethodMIC

RECORD: Rec_0330918 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative Hemolytic

TargetHuman erythrocytes

Activity0-5 %

MethodHemolysis over 1–1000 μg/mL

PaperThe antimicrobial potential of a new derivative of cathelicidin from Bungarus fasciatus against methicillin-resistant Staphylococcus aureus. J Microbiol. 2018 Feb;56(2):128-137. doi: 10.1007/s12275-018-7444-5. PMID: 29392557. PMID29392557 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/29392557/

RECORD: Rec_0377549 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetStaphylococcus aureus ATCC 33591

Activity256 μg/mL

MethodMIC

PaperThe antimicrobial potential of a new derivative of cathelicidin from Bungarus fasciatus against methicillin-resistant Staphylococcus aureus. J Microbiol. 2018 Feb;56(2):128-137. doi: 10.1007/s12275-018-7444-5. PMID: 29392557. PMID29392557 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/29392557/

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