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)
YBHQ_ECOLI
P0AAW5
ybhQ
b0791 JW0774
integral IM protein (SEC in IM), YbhQ
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
YBIJ_ECOLI
P0AAX3
ybiJ
b0802 JW0787
periplasmic protein (SEC through IM), YbiJ
Periplasmic
G
N/A
Periplasm
Periplasmic
 
 
SEC
 
 
yes
yes
MCBA_ECOLI
P0AAX6
mcbA

ybiM

b0806 JW5106
periplasmic protein (SEC through IM), McbA
Periplasmic
G
N/A
Periplasm
Periplasmic
 
 
SEC
 
 
yes
yes
YBJH_ECOLI
P0AAY4
ybjH
b0843 JW0827
periplasmic protein (SEC through IM), YbjH
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
 
 
yes
yes
MCP3_ECOLI
P05704
trg
b1421 JW1417
integral IM protein (SEC in IM), Methyl-accepting chemotaxis III Trg
Integral Inner Membrane
B
IM (predicted), Detected in IM Fraction
Cell inner membrane
Integral Membrane Protein
 
SRP
SEC
 
 
no
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
YBJO_ECOLI
P0AAZ0
ybjO
b0858 JW0842
integral IM protein (SEC in IM), YbjO
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
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
YCFJ_ECOLI
P0AB35
ycfJ
b1110 JW1096
integral IM protein (SEC in IM), YcfJ
Integral Inner Membrane
B
N/A
Membrane
Membrane anchored
 
SRP
SEC
 
 
yes
yes
FTSQ_ECOLI
P06136
ftsQ
b0093 JW0091
integral IM protein (SEC in IM), Cell division FtsQ
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane
Membrane anchored
 
SRP
SEC
 
 
yes
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
BTUC_ECOLI
P06609
btuC
b1711 JW1701
integral IM protein (SEC-YidC in IM), Vitamin B12 import system permease BtuC
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC-YidC
 
 
yes
yes
BIRA_ECOLI
P06709
birA

bioR dhbB

b3973 JW3941
nucleoid & integral IM protein (SEC in IM), Bifunctional ligase/repressor BirA
Integral Inner Membrane, Nucleoid
B, N
IM (predicted)
 
Cytoplasmic
 
SRP
SEC
 
 
yes
yes
YMGD_ECOLI
P0AB46
ymgD
b1171 JW5177
periplasmic protein (SEC through IM), YmgD
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
 
 
no
yes
YCHH_ECOLI
P0AB49
ychH
b1205 JW1196
integral IM protein (SEC in IM), YchH
Integral Inner Membrane
B
IM (predicted)
 
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
MRED_ECOLI
P0ABH4
mreD
b3249 JW3218
integral IM protein (SEC in IM), Rod shape-determining MreD
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane; Multi-pass membrane protein
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
CCMD_ECOLI
P0ABM5
ccmD

yojM

b2198 JW2186
integral IM protein (SEC in IM), Heme exporter D CcmD
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane
Membrane anchored
 
SRP
SEC
 
 
no
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
FHUB_ECOLI
P06972
fhuB
b0153 JW0149
integral IM protein (SEC in IM), Iron(3+)-hydroxamate import system permease FhuB
Integral Inner Membrane
B
IM (predicted)
Cell inner membrane
Integral Membrane Protein
 
SRP
SEC
 
 
yes
yes
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