SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB05963

Signal sequence   MKQSTIALALLPLLFTPVTKA

Length  21

Organism  Escherichia coli

UniProt ID  NA,

Motif  1..21



Activity Information


Pathway  NA

Natural/Artificial  Natural

Subcellular location  Periplasmic space

Secretion efficiency  NA

Type  NA



Structure Information


PDB ID  1PKQ,

Predicted Structure ID  SPKB05963.cif

Structure  SPKB05963.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  2256.81564

Aliphatic index  139.5238095

Isoelectric point  10.80537956

Charge (pH=7)   1.997394232

Topological polar surface area  803.79

Aromaticity  0.047619048

Average rotatable bonds  3.428571429

Number of hydrogen bond donors  27

Number of hydrogen bond acceptors  30

X logP energy  -4.247

Hydropathy 



Literature Information


Title  The nucleotide sequence of the promoter and the amino-terminal region of alkaline phosphatase structural gene (phoA) of Escherichia coli.

DOI  10.1093/nar/9.21.5671,

Publication Year  1981

PubMed ID  6273802,

Patent ID  NA,



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