Peptide Database

Peptide NameQRA21

Function Ontology

Antimicrobial

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC107H194N42O28

DescriptionStandard

        QRAKTPQTRVTIRTVRVRRPP
    

Molecular Weight2516.95 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)6.76

Net Charge (pH 7.4) 6.55

Charge Density (pH 7.0) 0.3219

GRAVY Index-1.27

Hydrophobic Moment 0.57

Boman Index-0.62

Instability Index60.27

Aliphatic Index 64.76

Aromaticity 0.0000

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 1183.47

LogP -14.59

H-bond Donors 44.0

H-bond Acceptors 35.0

Rotatable Bonds 81.0

Heavy Atoms 177.0

Ring Count 3.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0431580 VERIFIED: YES

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Non-hemolytic

Targethuman erythrocytes

MethodHemolysis

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