SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB06755

Signal sequence   MRKISIFLFILLLALGAAG

Length  19

Organism  Bacillus licheniformis strain 3F-3

UniProt ID  NA,

Motif  1..19



Activity Information


Pathway  Sec

Natural/Artificial  Artificial

Subcellular location  Cell membrane

Secretion efficiency  Nattokinase yield: 6.31(FU/mL)

Type  Sec/SPII



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB06755.cif

Structure  SPKB06755.cif
Very high (pLDDT > 90)
Confident (90 > pLDDT > 70)
Low (70 > pLDDT > 50)
Very low (pLDDT < 50)
Loading PAE…
Expected Position Error (Ångströms)


Physicochemical Information


Molecular weight  2047.61624

Aliphatic index  180

Isoelectric point  11.65177567

Charge (pH=7)   1.997685954

Topological polar surface area  695.27

Aromaticity  0.105263158

Average rotatable bonds  3.631578947

Number of hydrogen bond donors  25

Number of hydrogen bond acceptors  24

X logP energy  -0.56093

Hydropathy 



Literature Information


Title  High-level expression of nattokinase in Bacillus licheniformis by manipulating signal peptide and signal peptidase

DOI  10.1111/jam.13175,

Publication Year  2016

PubMed ID  27159567,

Patent ID  NA,



Faculty of Applied Sciences, Macao Polytechnic University, Macao, China.