SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB07167

Signal sequence   MIPRIKKTICVLLVCFTMLSVMLGPGATEVLA

Length  32

Organism  Bacillus subtilis 1A751

UniProt ID  Q45070,

Motif  1..32



Activity Information


Pathway  Sec

Natural/Artificial  Artificial

Subcellular location  Extracellular environment

Secretion efficiency  alpha-amylase yield: 621.7(U/mL)

Type  Sec/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB07167.cif

Structure  SPKB07167.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  3449.39234

Aliphatic index  140

Isoelectric point  8.821557977

Charge (pH=7)   1.875216611

Topological polar surface area  1180

Aromaticity  0.03125

Average rotatable bonds  3.53125

Number of hydrogen bond donors  43

Number of hydrogen bond acceptors  46

X logP energy  -5.38273

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.