SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB07092

Signal sequence   MKRLCLWFTVFSLFLVLLPGKALG

Length  24

Organism  Bacillus subtilis 1A751p

UniProt ID  O34819,

Motif  1..24



Activity Information


Pathway  Sec

Natural/Artificial  Artificial

Subcellular location  Extracellular environment

Secretion efficiency  alpha-amylase yield: 1360(U/mL)

Type  Sec/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB07092.cif

Structure  SPKB07092.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  2753.48894

Aliphatic index  142.0833333

Isoelectric point  10.79319833

Charge (pH=7)   2.935416204

Topological polar surface area  894.02

Aromaticity  0.166666667

Average rotatable bonds  3.666666667

Number of hydrogen bond donors  33

Number of hydrogen bond acceptors  32

X logP energy  0.00167

Hydropathy 



Literature Information


Title  Systematic Screening of Optimal Signal Peptides for Secretory Production of Heterologous Proteins in Bacillus subtilis

DOI  10.1021/acs.jafc.8b04183,

Publication Year  2018

PubMed ID  30463403,

Patent ID  NA,



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