Peptide Database

Peptide Namehuman Histatin 4

Function Ontology

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Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC113H168N42O32

DescriptionStandard

        RKSHEKHHSHRGYRSNYLYGN
    

Molecular Weight2626.81 Da

Isoelectric Point (pI)10.16

Net Charge (pH 7.0)4.11

Net Charge (pH 7.4) 3.69

Charge Density (pH 7.0) 0.1956

GRAVY Index-2.28

Hydrophobic Moment 0.41

Boman Index-0.58

Instability Index6.22

Aliphatic Index 18.57

Aromaticity 0.1429

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4470.00

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

Amino Acid Composition

TPSA 1242.64

LogP -15.25

H-bond Donors 46.0

H-bond Acceptors 40.0

Rotatable Bonds 87.0

Heavy Atoms 187.0

Ring Count 7.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0376502 VERIFIED: YES

Provenance & Taxonomy

OrganismRhinopithecus roxellana [Animal]

FamilyHistatin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)