Peptide Database

Peptide Nameapr signal peptide

Function Ontology

Annotation / Sequence feature ▸ Signal peptide

Biotechnology / Production and expression ▸ Secretory expression optimization

Enzyme / Catalytic activity ▸ Transferase ▸ Kinase

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC152H261N41O39S2

DescriptionStandard

        MKRKLRKKAFSTILSGLLIGSLFMPAVSDAA
    

Molecular Weight3351.08 Da

Isoelectric Point (pI)11.17

Net Charge (pH 7.0)4.50

Net Charge (pH 7.4) 4.28

Charge Density (pH 7.0) 0.1451

GRAVY Index0.46

Hydrophobic Moment 0.53

Boman Index0.12

Instability Index50.27

Aliphatic Index 110.32

Aromaticity 0.0645

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 1293.86

LogP -10.37

H-bond Donors 47.0

H-bond Acceptors 46.0

Rotatable Bonds 116.0

Heavy Atoms 234.0

Ring Count 3.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0296718 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

Activity3.61 FU/mL

MethodFibrinolytic activity assay