Peptide Database

Peptide NameglpQ4 signal peptide

Function Ontology

Annotation / Sequence feature ▸ Signal peptide

Biotechnology / Production and expression ▸ Secretory expression optimization

Enzyme / Catalytic activity ▸ Hydrolase ▸ Nuclease

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC162H251N39O32S2

DescriptionStandard

        MRKKWRWLLLALTGIFFLMFGPPLVSQA
    

Molecular Weight3321.10 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)3.50

Net Charge (pH 7.4) 3.28

Charge Density (pH 7.0) 0.1249

GRAVY Index0.70

Hydrophobic Moment 0.45

Boman Index0.31

Instability Index39.51

Aliphatic Index 115.00

Aromaticity 0.1786

Extinction Coeff. Reduced 11000.00

Extinction Coeff. Oxidized 11000.00

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

Amino Acid Composition

TPSA 1122.41

LogP -1.11

H-bond Donors 40.0

H-bond Acceptors 38.0

Rotatable Bonds 105.0

Heavy Atoms 235.0

Ring Count 9.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0006786 VERIFIED: YES

Provenance & Taxonomy

OrganismLactiplantibacillus plantarum WCFS1 [Bacterium]

FamilySec signal peptide

Tax ID220668

Structure & Mods

Configlinear signal peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Protein secretion signal peptide Secretory expression optimization Amylase (AmyA) secretion

TargetLactobacillus plantarum WCFS1

Activity0.21 U/mL

MethodAmylase activity assay

RECORD: Rec_0191486 VERIFIED: YES