SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB04781

Signal sequence   MQLKKAFWKLASLLPLSLLLFLGGCDKK

Length  28

Organism  Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711)

UniProt ID  Q81HT3,

Motif  1..28



Activity Information


Pathway  Sec

Natural/Artificial  Natural

Subcellular location  Cell membrane

Secretion efficiency  NA

Type  Sec/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB04781.cif

Structure  SPKB04781.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  3162.97194

Aliphatic index  132.5

Isoelectric point  10.62991132

Charge (pH=7)   3.934980898

Topological polar surface area  1106.97

Aromaticity  0.107142857

Average rotatable bonds  3.892857143

Number of hydrogen bond donors  39

Number of hydrogen bond acceptors  40

X logP energy  -3.0263

Hydropathy 



Literature Information


Title  A novel double heme substitution produces a functional bo3 variant of the quinol oxidase aa3 of Bacillus cereus. Purification and paratial characterization.

DOI  10.1074/jbc.M302583200,

Publication Year  2003

PubMed ID  12805383,

Patent ID  NA,



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