SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB06860

Signal sequence   MKFVKRRIIALVTILMLSVTSLFALQPSAKA

Length  31

Organism  Bacillus subtilis WB700

UniProt ID  P37957,

Motif  1..31



Activity Information


Pathway  Tat

Natural/Artificial  Artificial

Subcellular location  Periplasmic space

Secretion efficiency  Alkaline active xylanase yield: 239.4(U/mL)

Type  Tat/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB06860.cif

Structure  SPKB06860.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  3447.33134

Aliphatic index  141.6129032

Isoelectric point  12.54607567

Charge (pH=7)   4.997092575

Topological polar surface area  1273.63

Aromaticity  0.064516129

Average rotatable bonds  3.774193548

Number of hydrogen bond donors  46

Number of hydrogen bond acceptors  45

X logP energy  -7.22596

Hydropathy 



Literature Information


Title  Optimal secretion of alkali-tolerant xylanase in Bacillus subtilis by signal peptide screening

DOI  10.1007/s00253-016-7615-4,

Publication Year  2016

PubMed ID  27225471,

Patent ID  NA,



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