SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB07172

Signal sequence   MKKRFSLIMMTGLLFGLTSPAFA

Length  23

Organism  Bacillus subtilis 1A751

UniProt ID  P70960,

Motif  1..23



Activity Information


Pathway  Sec

Natural/Artificial  Artificial

Subcellular location  Extracellular environment

Secretion efficiency  alpha-amylase yield: 476(U/mL)

Type  Sec/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB07172.cif

Structure  SPKB07172.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  2561.20024

Aliphatic index  93.47826087

Isoelectric point  11.82305527

Charge (pH=7)   2.99739092

Topological polar surface area  889.59

Aromaticity  0.130434783

Average rotatable bonds  3.695652174

Number of hydrogen bond donors  32

Number of hydrogen bond acceptors  34

X logP energy  -4.64193

Hydropathy 



Literature Information


Title  Optimization of thermostable alpha-amylase secretion by screening of optimal singal peptides in Bacillus subtilis

DOI  NA,

Publication Year  2017

PubMed ID  NA,

Patent ID  NA,



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