Peptide Database

Peptide NameP-KKK

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC103H186N32O23S

DescriptionStandard

        MKKTAIAIAVALAGFARRKKK
    

Molecular Weight2272.84 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)6.50

Net Charge (pH 7.4) 6.27

Charge Density (pH 7.0) 0.3093

GRAVY Index0.14

Hydrophobic Moment 0.46

Boman Index-0.08

Instability Index36.80

Aliphatic Index 98.10

Aromaticity 0.0476

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 919.45

LogP -6.81

H-bond Donors 34.0

H-bond Acceptors 31.0

Rotatable Bonds 82.0

Heavy Atoms 159.0

Ring Count 1.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0186638 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

TargetEscherichia coli 44113

Paper将大肠杆菌OmpA信号肽改造成为抗菌肽的研究; Study on conversion of Omp A signal peptide of Escherichia coli to antimicrobial peptide. [J].内科,2017,12(02):153-156. DOI:10.16121/j.cnki.cn45-1347/r.2017.02.03. Evidence URLhttps://dramp.cpu-bioinfor.org/browse/All_Information.php?dataset=General&id=DRAMP37204

RECORD: Rec_0246502 VERIFIED: YES