STEPdb: Sub-cellular Topologies of E.coli Polypeptides.

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E.coli K-12 (MG1655) Exportome

(mouse over and click on the one letter topology symbols to see which proteins of this specific subproteome are localized in each location)

Bacterial cell cartoon of sub-cellular locations


Protein ID
(Uniprot)
Accession
(Uniprot)
Gene Name
(Uniprot)
Order
Locus Name
Protein Name
(STEPdb)
Full Name
Symbol
Uniprot
EchoLOCATION
Extracellular Appendage
First Level
Targeting
Chaperoning
First Level
Secretion
System
Second Level
Targeting
Chaperoning
Second Level
Secretion
System
K-12 Core
Proteome
(yes/no)
K-12 Basic
Proteome
(yes/no)
CLSA_ECOLI
P0A6H8
clsA

cls nov yciJ

b1249 JW1241
integral IM protein (SEC in IM), Cardiolipin synthase A ClsA
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
CYSZ_ECOLI
P0A6J3
cysZ
b2413 JW2406
integral IM protein (SEC-YidC in IM), Sulfate transporter CysZ
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane
Integral Membrane Protein (Experimental)
 
SRP
SEC-YidC
 
 
yes
yes
LPTA_ECOLI
P0ADV1
lptA

yhbN

b3200 JW3167
periplasmic protein (SEC through IM), polysaccharide export system LptA
Periplasmic
G
N/A
Periplasm
Periplasmic(experimental)
 
 
SEC
 
 
yes
yes
YHHA_ECOLI
P0ADX7
yhhA
b3448 JW3413
periplasmic protein (SEC through IM), YhhA
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
 
 
yes
yes
YQAE_ECOLI
P0AE42
yqaE
b2666 JW2641
integral IM protein (SEC in IM), UPF0057 YqaE
Integral Inner Membrane
B
IM (predicted)
Cell membrane
Integral Membrane Protein
 
SRP
SEC
 
 
no
yes
CREA_ECOLI
P0AE91
creA

yjjD

b4397 JW4360
periplasmic protein (SEC through IM), CreA
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
DSBA
 
yes
yes
DSBB_ECOLI
P0A6M2
dsbB

roxB ycgA

b1185 JW5182
integral IM protein (SEC-YidC in IM), Disulfide bond formation B DsbB
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane
Integral Membrane Protein
 
SRP
SEC-YidC
 
 
yes
yes
ENO_ECOLI
P0A6P9
eno
b2779 JW2750
cytoplasmic peripheral IM protein facing the cytoplasm & peripheral OM protein facing the extra-cellular space (SEC through IM), Enolase Eno
Cytoplasmic, Peripheral inner membrane protein facing the cytoplasm, Peripheral outer membrane protein facing the extra-cellular space
A, F1, F4
Soluble IM Fraction
Cytoplasm; cytoskeleton Secreted Cell surface
Cytoplasmic (Experimental)
 
 
SEC
 
 
yes
yes
FLGH_ECOLI
P0A6S0
flgH

fla FVIII flaY

b1079 JW5153
Flagellar OM lipoprotein (SEC through IM), inserted in OM by LOL), L-ring FlgH
Outer Membrane Lipoprotein
I
N/A
Cell outer membrane
Outer membrane Lipoprotein (Experimental)
flagellum
 
SEC
 
LOL
yes
yes
YJIG_ECOLI
P0AEH8
yjiG
b4329 JW4292
integral IM protein (SEC in IM), YjiG
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
no
yes
YIIR_ECOLI
P0AF34
yiiR
b3921 JW3892
integral IM protein (SEC in IM), YiiR
Integral Inner Membrane
B
IM (predicted)
 
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
YIJD_ECOLI
P0AF40
yijD
b3964 JW3936
integral IM protein (SEC in IM), YijD
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
FLGI_ECOLI
P0A6S3
flgI

fla FIX flaM

b1080 JW1067
Flagellar periplasmic protein (SEC through IM), P-ring FlgI
Periplasmic
G
N/A
Periplasm Bacterial flagellum basal body
Periplasmic (Experimental)
flagellum
SRP (exp)
SEC
DSBA
Fla
no
yes
MRAY_ECOLI
P0A6W3
mraY

murX

b0087 JW0085
integral IM protein (SEC in IM), Phospho-N-acetylmuramoyl-pentapeptide-transferase MraY
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
YCIB_ECOLI
P0A710
yciB

ispZ

b1254 JW1246
integral IM protein (SEC in IM), Probable intracellular septation A YciB
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
KDGT_ECOLI
P0A712
kdgT
b3909 JW5560
integral IM protein (SEC in IM), 2-keto-3-deoxygluconate permease KdgT
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
MSCL_ECOLI
P0A742
mscL

yhdC

b3291 JW3252
integral IM protein (YidC in IM), Large-conductance mechanosensitive channel MscL
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane
Integral Membrane Protein (Experimental)
 
SRP
YidC
 
 
yes
yes
YJBE_ECOLI
P0AF45
yjbE
b4026 JW3986
periplasmic protein (SEC through IM), YjbE
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
 
 
no
yes
YJCH_ECOLI
P0AF54
yjcH
b4068 JW4029
integral IM protein (SEC in IM), YjcH
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
YJET_ECOLI
P0AF73
yjeT
b4176 JW4134
integral IM protein (SEC in IM), YjeT
Integral Inner Membrane
B
IM (predicted)
Cell membrane
Integral Membrane Protein
 
SRP
SEC
 
 
no
yes
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 ©2017 Copyright KU Leuven and FORTH/ICE-HT. Last Update: February 2019.