SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB03083

Signal sequence   MTALNKKWLSGLVAGALMAVSVGTLA

Length  26

Organism  Escherichia coli (strain K12)

UniProt ID  P31133,

Motif  1..26



Activity Information


Pathway  Sec

Natural/Artificial  Natural

Subcellular location  Periplasmic space

Secretion efficiency  NA

Type  Sec/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB03083.cif

Structure  SPKB03083.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  2603.17674

Aliphatic index  127.6923077

Isoelectric point  10.80537956

Charge (pH=7)   1.997394232

Topological polar surface area  982.66

Aromaticity  0.038461538

Average rotatable bonds  3.307692308

Number of hydrogen bond donors  35

Number of hydrogen bond acceptors  36

X logP energy  -8.1797

Hydropathy 



Literature Information


Title  Characteristics of the operon for a putrescine transport system that maps at 19 minutes on the Escherichia coli chromosome.

DOI  NA,

Publication Year  1993

PubMed ID  8416922,

Patent ID  NA,



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