Peptide Database

Peptide NameQcrA signal peptide

Function Ontology

Annotation / Sequence feature ▸ Signal peptide

Biotechnology / Production and expression ▸ Secretory expression optimization

Enzyme / Catalytic activity ▸ Transferase ▸ Kinase

Standard StatusStandard

Sequence Length39 amino acids

Chemical FormulaC197H322N60O49S6

DescriptionStandard

        MKMSEKRHRVSRRQFLNYTLTGVGGFMAAGMLMPMVRFA
    

Molecular Weight4507.43 Da

Isoelectric Point (pI)11.84

Net Charge (pH 7.0)5.59

Net Charge (pH 7.4) 5.32

Charge Density (pH 7.0) 0.1433

GRAVY Index-0.06

Hydrophobic Moment 0.47

Boman Index-0.02

Instability Index79.37

Aliphatic Index 60.00

Aromaticity 0.1026

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 1775.18

LogP -15.49

H-bond Donors 65.0

H-bond Acceptors 62.0

Rotatable Bonds 153.0

Heavy Atoms 312.0

Ring Count 6.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0303446 VERIFIED: YES

Provenance & Taxonomy

OrganismBacillus licheniformis WX-02 [Bacterium]

FamilyTat 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

Activity2.28 FU/mL

MethodFibrinolytic activity assay