SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB07151

Signal sequence   MKIRKILLSSALSFGMLISAVPALA

Length  25

Organism  Bacillus subtilis 1A751

UniProt ID  O31836,

Motif  1..25



Activity Information


Pathway  Sec

Natural/Artificial  Artificial

Subcellular location  Extracellular environment

Secretion efficiency  alpha-amylase yield: 1110.8(U/mL)

Type  Sec/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB07151.cif

Structure  SPKB07151.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  2631.31714

Aliphatic index  152.4

Isoelectric point  11.82305527

Charge (pH=7)   2.99739092

Topological polar surface area  947.79

Aromaticity  0.04

Average rotatable bonds  3.56

Number of hydrogen bond donors  34

Number of hydrogen bond acceptors  35

X logP energy  -5.48513

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.