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)
YJFL_ECOLI
P0AF80
yjfL
b4184 JW4142
integral IM protein (SEC in IM), UPF0719 YjfL
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein (Experimental)
 
SRP
SEC
 
 
yes
yes
RSXA_ECOLI
P0A766
rsxA

rnfA ydgL

b1627 JW1619
integral IM protein (SEC in IM), Ion-translocating oxidoreductase complex subunit A RsxA
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane
Integral Membrane Protein(experimental)
 
SRP
SEC
 
 
yes
yes
MNTH_ECOLI
P0A769
mntH

yfeP

b2392 JW2388
integral IM protein (SEC in IM), Divalent metal cation transporter MntH
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane
Integral Membrane Protein (Experimental)
 
SRP
SEC
 
 
yes
yes
GPMB_ECOLI
P0A7A2
gpmB

ytjC

b4395 JW4358
integral IM protein (SEC in IM), Probable phosphoglycerate mutase GpmB
Integral Inner Membrane
B
N/A
 
Membrane anchored
 
SRP
SEC
 
 
no
yes
DCTA_ECOLI
P0A830
dctA
b3528 JW3496
integral IM protein (SEC-YidC in IM), Aerobic C4-dicarboxylate transport protein DctA
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane
Integral Membrane Protein
 
SRP
SEC-YidC
 
 
no
yes
TATE_ECOLI
P0A843
tatE

ybeC

b0627 JW0622
integral IM protein (SEC in IM), Sec-independent translocase TatE
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane
Membrane anchored
 
SRP
SEC
 
 
yes
yes
YJFN_ECOLI
P0AF82
yjfN
b4188 JW5742
periplasmic protein (SEC through IM), YjfN
Periplasmic
G
N/A
Periplasm
Periplasmic
 
 
SEC
 
 
yes
yes
YJFY_ECOLI
P0AF86
yjfY
b4199 JW4157
periplasmic protein (SEC through IM), YjfY
Periplasmic
G
N/A
Periplasm
Periplasmic
 
 
SEC
 
 
yes
yes
PSIF_ECOLI
P0AFM4
psiF
b0384 JW5054
periplasmic protein (SEC through IM), Phosphate starvation-inducible PsiF
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
 
 
yes
yes
TOLB_ECOLI
P0A855
tolB
b0740 JW5100
periplasmic & peripheral OM protein (SEC through IM), Tol-Pal system TolB
Periplasmic, Peripheral outer membrane protein facing the periplasm
G, F3
Soluble IM Fraction
Periplasm
Periplasmic (Experimental)
 
SECB, SRP
SEC
 
 
no
yes
ZUPT_ECOLI
P0A8H3
zupT

ygiE

b3040 JW3008
integral IM protein (SEC in IM), Zinc transporter ZupT
Integral Inner Membrane
B
IM (predicted)
Cell membrane
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
YIHY_ECOLI
P0A8K8
yihY
b3886 JW3857 b2268
integral IM protein (SEC in IM), UPF0761 YihY
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane
Cytoplasmic
 
SRP
SEC
 
 
yes
yes
FRDC_ECOLI
P0A8Q0
frdC
b4152 JW4113
integral IM protein (SEC in IM), Fumarate reductase subunit C FrdC
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
FRDD_ECOLI
P0A8Q3
frdD
b4151 JW4112
integral IM protein (SEC in IM), Fumarate reductase subunit D FrdD
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
PSPC_ECOLI
P0AFN2
pspC
b1306 JW1299
integral IM protein (SEC in IM), Phage shock C PspC
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane
Membrane anchored
 
SRP
SEC
 
 
yes
no
YMIA_ECOLI
P0CB62
ymiA
b4522 JW1267.1
integral IM protein (SEC in IM), YmiA
Integral Inner Membrane
B
N/A
Membrane
-
 
 
SEC
 
 
no
yes
PHNE1_ECOLI
P0DP69
phnE1
b4104 JW4065
integral IM protein (SEC in IM), Putative cryptic phosphonate transport system permease PhnE1
Integral Inner Membrane
B
N/A
Cell inner membrane
-
 
 
SEC
 
 
 
 
YCJF_ECOLI
P0A8R7
ycjF
b1322 JW1315
integral IM protein (SEC in IM), UPF0283 YcjF
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
YCEI_ECOLI
P0A8X2
yceI
b1056 JW1043
periplasmic protein (SEC through IM), YceI
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
yes
yes
BLC_ECOLI
P0A901
blc

yjeL

b4149 JW4110
OM lipoprotein (SEC through IM, inserted in OM by LOL), Blc
Outer Membrane Lipoprotein
I
N/A
Cell outer membrane; Lipid-anchor
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
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