Peptide Database

Peptide Namevpr signal peptide

Function Ontology

Annotation / Sequence feature ▸ Signal peptide

Biotechnology / Production and expression ▸ Secretory expression optimization

Enzyme / Catalytic activity ▸ Transferase ▸ Kinase

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC154H244N36O35S2

DescriptionStandard

        MRKSIVRYFVMAFILLFALSTFLTGVQA
    

Molecular Weight3223.93 Da

Isoelectric Point (pI)11.00

Net Charge (pH 7.0)2.50

Net Charge (pH 7.4) 2.28

Charge Density (pH 7.0) 0.0892

GRAVY Index1.29

Hydrophobic Moment 0.60

Boman Index0.39

Instability Index13.89

Aliphatic Index 125.36

Aromaticity 0.1786

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 1143.08

LogP -4.48

H-bond Donors 42.0

H-bond Acceptors 40.0

Rotatable Bonds 105.0

Heavy Atoms 227.0

Ring Count 5.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0095653 VERIFIED: YES

Provenance & Taxonomy

OrganismBacillus licheniformis WX-02 [Bacterium]

FamilySec signal peptide

Tax ID1126218

Structure & Mods

Configlinear signal peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Protein secretion signal peptide Secretory expression optimization Nattokinase secretion

TargetBacillus licheniformis △0F-3

Activity8.72 FU/mL

MethodFibrinolytic activity assay