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)
FIMA1_ECOLI
P04128
fimA

pilA

b4314 JW4277
Fimbrial extra-cellular peripheral OM protein (SEC through IM, chaperone usher export system over OM), Type-1 protein, A chain FimA
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Fimbrium
Cell surface appendage (Experimental)
fimbriae
 
SEC
 
CU
yes
yes
FLIC_ECOLI
P04949
fliC

flaF hag

b1923 JW1908
Flagellar extra-cellular peripheral OM protein (Flagellum secreted), Flagellin FliC
Peripheral outer membrane protein facing the extra-cellular space
F4
Soluble IM Fraction
Secreted Bacterial flagellum
Cell surface appendage (Experimental)
flagellum
 
Flagellum
 
Fla
no
yes
FIMF_ECOLI
P08189
fimF
b4318 JW4281
Fimbrial extra-cellular peripheral OM protein (SEC through IM, chaperone usher export system over OM), FimF
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Fimbrium
Cell surface appendage (Experimental)
fimbriae
 
SEC
 
CU
no
yes
FIMG_ECOLI
P08190
fimG
b4319 JW4282
Fimbrial extra-cellular peripheral OM protein (SEC through IM, chaperone usher export system over OM), FimG
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Fimbrium
Cell surface appendage (Experimental)
fimbriae
 
SEC
 
CU
no
yes
FIMH_ECOLI
P08191
fimH
b4320 JW4283
Fimbrial extra-cellular peripheral OM protein (SEC through IM, chaperone usher export system over OM), Type 1 fimbrin D-mannose specific adhesin FimH
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Fimbrium
Cell surface appendage (Experimental)
fimbriae
 
SEC
 
CU
no
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
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
CSGB_ECOLI
P0ABK7
csgB
b1041 JW1024
Curli related extra-cellular peripheral OM protein (SEC through IM), secreted over OM by curli), Minor curlin subunit CsgB
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Fimbrium
Cell surface appendage (Experimental)
Curli
 
SEC
 
Curli
yes
yes
CSGF_ECOLI
P0AE98
csgF
b1038 JW1021
Curli related extra-cellular peripheral OM protein (SEC through IM), secreted over OM by curli), Curli production assembly/transport component CsgF
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Cell outer membrane
Periplasmic (Experimental)
Curli
 
SEC
 
Curli
yes
yes
CSGG_ECOLI
P0AEA2
csgG
b1037 JW1020
Curli related OM lipoprotein & extra-cellular peripheral OM protein (SEC through IM), inserted in OM by LOL), Curli production assembly/transport component CsgG
Outer Membrane Lipoprotein, Peripheral outer membrane protein facing the extra-cellular space
I, F4
N/A
Cell membrane
Outer membrane Lipoprotein (Experimental)
Curli
 
SEC
 
LOL
yes
yes
FLID_ECOLI
P24216
fliD

flaV flbC

b1924 JW1909
Flagellar extra-cellular peripheral OM protein (Flagellum secreted), hook-associated 2 FliD
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Secreted Bacterial flagellum
Cell surface appendage (Experimental)
flagellum
 
Flagellum
 
Fla
no
yes
CSGA_ECOLI
P28307
csgA
b1042 JW1025
Curli related extra-cellular peripheral OM protein (SEC through IM), secreted over OM by curli), Major curlin subunit CsgA
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Fimbrium
Cell surface appendage (Experimental)
Curli
 
SEC
 
Curli
yes
yes
FLGL_ECOLI
P29744
flgL

flaT flaU

b1083 JW1070
Flagellar extra-cellular peripheral OM protein (Flagellum secreted), hook-associated 3 FlgL
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Secreted Bacterial flagellum
Cell surface appendage (Experimental)
flagellum
 
Flagellum
 
Fla
yes
yes
YADC_ECOLI
P31058
yadC
b0135 JW0131
Fimbrial extra-cellular peripheral OM protein (SEC through IM, chaperone usher export system over OM), YadC
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Fimbrium
Periplasmic
fimbriae
 
SEC
 
CU
no
yes
FLGK_ECOLI
P33235
flgK

flaS flaW

b1082 JW1069
Flagellar extra-cellular peripheral OM protein (Flagellum secreted), hook-associated 1 FlgK
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Secreted
Cell surface appendage (Experimental)
flagellum
 
Flagellum
 
Fla
yes
yes
LPP_ECOLI
P69776
lpp

mlpA mulI

b1677 JW1667
OM lipoprotein & extra-cellular peripheral OM protein (SEC through IM, inserted in OM by LOL), Lpp
Outer Membrane Lipoprotein, Peripheral outer membrane protein facing the extra-cellular space
I, F4
Soluble IM Fraction
Cell outer membrane
Outer membrane Lipoprotein (Experimental)
 
TF
SEC
 
LOL
yes
yes
FLGD_ECOLI
P75936
flgD

fla FIV flaV

b1075 JW1062
Flagellar extra-cellular peripheral OM protein (Flagellum secreted), Basal-body rod modification FlgD
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
 
Cell surface appendage (Experimental)
 
 
Flagellum
 
Fla
yes
no
FLGE_ECOLI
P75937
flgE

fla FV flaK

b1076 JW1063
Flagellar extra-cellular peripheral OM protein (Flagellum secreted), hook FlgE
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Bacterial flagellum basal body
Cell surface appendage (Experimental)
flagellum
 
Flagellum
 
Fla
no
yes
YDES_ECOLI
P77789
ydeS
b1504 JW1498
Fimbrial extra-cellular peripheral OM protein (SEC through IM, chaperone usher export system over OM), YdeS
Peripheral outer membrane protein facing the extra-cellular space
F4
N/A
Fimbrium
Membrane anchored
fimbriae
 
SEC
 
CU
no
yes
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 ©2017 Copyright KU Leuven and FORTH/ICE-HT. Last Update: February 2019.