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

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E.coli K-12 (MG1655) Secretome

(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)
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
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
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
FLIE_ECOLI
P0A8T5
fliE

fla AI flaN

b1937 JW1921
Flagellar periplasmic peripheral IM protein (Flagellum secreted through IM), hook-basal body complex FliE
Peripheral inner membrane protein facing the periplasm
F2
N/A
Bacterial flagellum basal body
Cytoplasmic
flagellum
 
Flagellum
 
 
no
yes
YCEI_ECOLI
P0A8X2
yceI
b1056 JW1043
periplasmic protein (SEC through IM), YceI
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
yes
yes
YCCT_ECOLI
P0A8X4
yccT
b0964 JW0947
periplasmic protein (SEC through IM), UPF0319 YccT
Periplasmic
G
N/A
 
Periplasmic
 
 
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
BAMC_ECOLI
P0A903
bamC

dapX nlpB

b2477 JW2462
OM lipoprotein (SEC through IM, inserted in OM by LOL), assembly factor BamC
Outer Membrane Lipoprotein
I
Soluble IM Fraction
Cell outer membrane
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
SLYB_ECOLI
P0A905
slyB
b1641 JW1633
OM lipoprotein (SEC through IM, inserted in OM by LOL), SlyB
Outer Membrane Lipoprotein
I
Soluble IM Fraction
Cell outer membrane
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
MIPA_ECOLI
P0A908
mipA

yeaF

b1782 JW1771
OM b-barrel protein (SEC through IM, inserted in OM by BAM), MltA-interacting protein MipA
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
 
SEC
 
BAM
yes
yes
OMPA_ECOLI
P0A910
ompA

con tolG tut

b0957 JW0940
OM b-barrel protein (SEC through IM, inserted in OM by BAM), OmpA
Outer Membrane b-barrel protein
H
Soluble IM Fraction
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
TF
SEC
SKP,SURA,DEGP,DSBA
BAM
yes
yes
PAL_ECOLI
P0A912
pal

excC

b0741 JW0731
OM lipoprotein (SEC through IM), inserted in OM by LOL), PG-associated Pal
Outer Membrane Lipoprotein
I
Soluble IM Fraction
Cell outer membrane
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
OMPW_ECOLI
P0A915
ompW

yciD

b1256 JW1248
OM b-barrel protein (SEC through IM, inserted in OM by BAM), OmpW
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
 
SEC
 
BAM
yes
yes
OMPX_ECOLI
P0A917
ompX

ybiG

b0814 JW0799
OM b-barrel protein (SEC through IM, inserted in OM by BAM), OmpX
Outer Membrane b-barrel protein
H
Soluble IM Fraction
Cell outer membrane; Multi-pass membrane protein
Outer Membrane ??-barrel protein (Experimental)
 
SECB,TF
SEC
SURA,SKP
BAM
yes
yes
PA1_ECOLI
P0A921
pldA
b3821 JW3794
OM b-barrel protein (SEC through IM, inserted in OM by BAM), Phospholipase A1 PldA
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
 
SEC
SKP
BAM
yes
yes
TSX_ECOLI
P0A927
tsx

nupA

b0411 JW0401
OM b-barrel protein (SEC through IM, inserted in OM by BAM), Nucleoside-specific channel-forming Tsx
Outer Membrane b-barrel protein
H
Soluble IM Fraction
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
 
SEC
 
BAM
yes
no
WZA_ECOLI
P0A930
wza
b2062 JW2047
OM lipoprotein & extra-cellular peripheral OM protein (SEC through IM), inserted in OM by LOL), Putative polysaccharide export Wza
Outer Membrane Lipoprotein, Peripheral outer membrane protein facing the extra-cellular space
I, F4
N/A
Cell outer membrane
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
GFCE_ECOLI
P0A932
gfcE

yccZ

b0983 JW0966
OM lipoprotein (SEC through IM), inserted in OM by LOL), Putative polysaccharide export GfcE
Outer Membrane Lipoprotein
I
N/A
Cell outer membrane
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
MLTA_ECOLI
P0A935
mltA

mlt ygdM

b2813 JW2784
OM lipoprotein (SEC through IM), inserted in OM by LOL), Membrane-bound lytic murein transglycosylase A MltA
Outer Membrane Lipoprotein
I
N/A
Cell outer membrane; Lipid-anchor
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
no
yes
BAME_ECOLI
P0A937
bamE

smpA

b2617 JW2598
OM lipoprotein (SEC through IM, inserted in OM by LOL), assembly factor BamE
Outer Membrane Lipoprotein
I
Soluble IM Fraction
Cell outer membrane
Outer membrane Lipoprotein
 
 
SEC
 
LOL
yes
yes
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