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)
EFEO_ECOLI
P0AB24
efeO

ycdO

b1018 JW1003
periplasmic protein (SEC through IM), Iron uptake system component EfeO
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
DSBA
 
yes
yes
YCEB_ECOLI
P0AB26
yceB
b1063 JW1050
OM lipoprotein (SEC through IM, inserted in OM by LOL), YceB
Outer Membrane Lipoprotein
I
Soluble IM Fraction
Cell membrane
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
YCEK_ECOLI
P0AB31
yceK
b1050 JW5151
OM lipoprotein (SEC through IM, inserted in OM by LOL), YceK
Outer Membrane Lipoprotein
I
N/A
 
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
no
yes
LPOB_ECOLI
P0AB38
lpoB

ycfM

b1105 JW5157
OM lipoprotein (SEC through IM), inserted in OM by LOL), Penicillin-binding activator LpoB
Outer Membrane Lipoprotein
I
N/A
Cell outer membrane
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
BHSA_ECOLI
P0AB40
bhsA

comC ycfR

b1112 JW1098
periplasmic peripheral OM protein (SEC through IM), Multiple stress resistance BhsA
Peripheral outer membrane protein facing the periplasm
F3
N/A
Cell outer membrane
Periplasmic
 
 
SEC
 
 
yes
yes
YMGD_ECOLI
P0AB46
ymgD
b1171 JW5177
periplasmic protein (SEC through IM), YmgD
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
 
 
no
yes
APBE_ECOLI
P0AB85
apbE

yojK yojL

b2214 JW5368
IM lipoprotein (SEC through IM), inserted in OM by LOL), FAD:FMN transferase ApbE
Inner Membrane Lipoprotein
E
IM (predicted)
Cell inner membrane
Inner membrane lipoprotein
 
 
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
NRFA_ECOLI
P0ABK9
nrfA
b4070 JW4031
periplasmic protein (SEC through IM), Cytochrome c-552 NrfA
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
yes
yes
NRFB_ECOLI
P0ABL1
nrfB

yjcI

b4071 JW4032
periplasmic protein (SEC through IM), Cytochrome c-type NrfB
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
no
yes
NAPB_ECOLI
P0ABL3
napB

yejY

b2203 JW5367
periplasmic protein (SEC through IM), nitrate reductase, electron transfer subunit NapB
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
yes
yes
SFMA_ECOLI
P0ABW5
sfmA
b0530 JW0519
Fimbrial periplasmic protein (SEC through IM), SfmA
Periplasmic
G
N/A
Fimbrium
Periplasmic
fimbriae
 
SEC
 
CU
yes
yes
FLGB_ECOLI
P0ABW9
flgB

fla FII flbA

b1073 JW1060
Flagellar periplasmic protein (Flagellum secreted through IM), basal body rod FlgB
Periplasmic
G
N/A
Bacterial flagellum basal body
Periplasmic (Experimental)
flagellum
 
Flagellum
 
Fla
yes
yes
FLGC_ECOLI
P0ABX2
flgC

fla FIII flaW

b1074 JW1061
Flagellar periplasmic protein (Flagellum secreted through IM), basal body rod FlgC
Periplasmic
G
N/A
Bacterial flagellum basal body
Periplasmic (Experimental)
flagellum
 
Flagellum
 
Fla
yes
yes
FLGG_ECOLI
P0ABX5
flgG

fla FVII flaL

b1078 JW1065
Flagellar periplasmic protein (Flagellum secreted through IM), basal body rod FlgG
Periplasmic
G
N/A
Bacterial flagellum basal body
Periplasmic (Experimental)
flagellum
 
Flagellum
 
Fla
yes
yes
SURA_ECOLI
P0ABZ6
surA
b0053 JW0052
periplasmic protein (SEC through IM), Chaperone SurA
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
yes
yes
BAMD_ECOLI
P0AC02
bamD

yfiO

b2595 JW2577
OM lipoprotein (SEC through IM, inserted in OM by LOL), assembly factor BamD
Outer Membrane Lipoprotein
I
Soluble IM Fraction
Cell outer membrane
Outer membrane Lipoprotein(experimental)
 
 
SEC
 
LOL
yes
yes
MBHM_ECOLI
P0ACE0
hybC
b2994 JW2962
periplasmic peripheral IM protein (TAT via piggyback through IM), Hydrogenase-2 large chain HybC
Peripheral inner membrane protein facing the periplasm
F2
Soluble IM Fraction
Cell membrane; Peripheral membrane protein
Periplasmic (Experimental)
 
 
TAT (piggyback)
 
 
yes
yes
HOKC_ECOLI
P0ACG4
hokC

gef

b4412 JW5002 b0018.1
periplasmic protein (SEC through IM), Toxic HokC
Periplasmic
G
N/A
Cell inner membrane
Periplasmic
 
 
SEC
 
 
no
yes
HOKD_ECOLI
P0ACG6
hokD

relF

b1562 JW1554
periplasmic protein (SEC through IM), Toxic HokD
Periplasmic
G
N/A
Cell inner membrane
Periplasmic
 
 
SEC
 
 
no
no
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