SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB07153

Signal sequence   MNIKKFAKQATVLTFTTALLAGGATQAFA

Length  29

Organism  Bacillus subtilis 1A751

UniProt ID  P05655,

Motif  1..29



Activity Information


Pathway  Sec

Natural/Artificial  Artificial

Subcellular location  Extracellular environment

Secretion efficiency  alpha-amylase yield: 935.3(U/mL)

Type  Sec/SPI



Structure Information


PDB ID  3BYJ,

Predicted Structure ID  SPKB07153.cif

Structure  SPKB07153.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  3014.57624

Aliphatic index  87.93103448

Isoelectric point  11.10307074

Charge (pH=7)   2.997099198

Topological polar surface area  1186.6

Aromaticity  0.103448276

Average rotatable bonds  3.448275862

Number of hydrogen bond donors  41

Number of hydrogen bond acceptors  42

X logP energy  -11.6062

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.