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)
PTRA_ECOLI
P05458
ptrA

ptr

b2821 JW2789
periplasmic protein (SEC through IM), Protease 3 PtrA
Periplasmic
G
N/A
Periplasm
Periplasmic(experimental)
 
 
SEC
SURA
 
yes
yes
FEPA_ECOLI
P05825
fepA

fep feuB

b0584 JW5086
OM b-barrel protein (SEC through IM, inserted in OM by BAM), Ferrienterobactin receptor FepA
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane; Multi-pass membrane protein
Outer Membrane ??-barrel protein (Experimental)
 
 
SEC
SKP
BAM
yes
yes
BTUB_ECOLI
P06129
btuB

bfe cer dcrC

b3966 JW3938
OM b-barrel protein (SEC through IM, inserted in OM by BAM), Vitamin B12 transporter BtuB
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
 
SEC
SKP
BAM
no
yes
CDH_ECOLI
P06282
cdh
b3918 JW3889
periplasmic protein (SEC through IM), CDP-diacylglycerol pyrophosphatase Cdh
Periplasmic
G
Soluble IM Fraction
Cell inner membrane; Single-pass membrane protein
Membrane anchored
 
 
SEC
 
 
yes
yes
FHUA_ECOLI
P06971
fhuA

tonA

b0150 JW0146
OM b-barrel protein (SEC through IM, inserted in OM by BAM), Ferrichrome transporter/phage receptor FhuA
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
SECB
SEC
SURA,SKP
BAM
yes
yes
OMPC_ECOLI
P06996
ompC

meoA par

b2215 JW2203
OM b-barrel protein (SEC through IM, inserted in OM by BAM), OmpC
Outer Membrane b-barrel protein
H
Soluble IM Fraction
Cell outer membrane; Multi-pass membrane protein
Outer Membrane ??-barrel protein (Experimental)
 
TF
SEC
SKP
BAM
yes
yes
YFIB_ECOLI
P07021
yfiB
b2605 JW2586
OM lipoprotein (SEC through IM), inserted in OM by LOL), Putative YfiB
Outer Membrane Lipoprotein
I
N/A
Cell membrane
Outer membrane Lipoprotein (Experimental)
 
 
SEC
 
LOL
yes
yes
USHA_ECOLI
P07024
ushA
b0480 JW0469
periplasmic protein (SEC through IM), UshA
Periplasmic
G
Soluble IM Fraction
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
no
yes
PPA_ECOLI
P07102
appA
b0980 JW0963
periplasmic protein (SEC through IM), AppA
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
DSBC
 
yes
yes
FHUD_ECOLI
P07822
fhuD
b0152 JW0148
periplasmic protein (TAT-SEC through IM), Iron(3+)-hydroxamate-binding FhuD
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
TAT,SEC
 
 
yes
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
CPDB_ECOLI
P08331
cpdB
b4213 JW4171
periplasmic protein (SEC through IM), 2',3'-cyclic-nucleotide 2'-phosphodiesterase/3'-nucleotidase CpdB
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
SURA
 
no
yes
YGDB_ECOLI
P08370
ygdB
b2824 JW5450
periplasmic protein (SEC through IM), YgdB
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
 
 
yes
yes
DACC_ECOLI
P08506
dacC
b0839 JW0823
periplasmic peripheral IM protein (SEC through IM), D-alanyl-D-alanine carboxypeptidase DacC
Peripheral inner membrane protein facing the periplasm
F2
Soluble IM Fraction
Cell inner membrane
Membrane anchored (Experimental)
 
 
SEC
 
 
yes
yes
OMPT_ECOLI
P09169
ompT
b0565 JW0554
OM b-barrel protein (SEC through IM, inserted in OM by BAM), Protease 7 OmpT
Outer Membrane b-barrel protein
H
Soluble IM Fraction
Cell outer membrane; Multi-pass membrane protein
Outer Membrane ??-barrel protein (Experimental)
 
SECB,TF
SEC
 
BAM
no
no
GLPQ_ECOLI
P09394
glpQ
b2239 JW2233
periplasmic protein (SEC through IM), Glycerophosphodiester phosphodiesterase, periplasmic GlpQ
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
yes
yes
ARGT_ECOLI
P09551
argT
b2310 JW2307
periplasmic protein (SEC through IM), Lysine/arginine/ornithine-binding periplasmic ArgT
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
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
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