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)
TREA_ECOLI
P13482
treA

osmA

b1197 JW1186
periplasmic protein (SEC through IM), trehalase TreA
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
SKP
 
yes
yes
CHIA_ECOLI
P13656
chiA

yheB

b3338 JW3300
periplasmic & extra-cellular protein (SEC through IM), TSS secreted over OM), Probable bifunctional chitinase/lysozyme ChiA
Periplasmic, Extra-cellular
G, X
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
T2S
no
yes
FECB_ECOLI
P15028
fecB
b4290 JW4250
periplasmic & peripheral IM protein (SEC through IM), Fe(3+) dicitrate-binding periplasmic FecB
Peripheral inner membrane protein facing the periplasm, periplasmic
F2, G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
no
yes
PHND_ECOLI
P16682
phnD

psiD

b4105 JW4066
periplasmic protein (SEC through IM), Phosphonates-binding periplasmic protein PhnD
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
yes
yes
CYSP_ECOLI
P16700
cysP
b2425 JW2418
periplasmic protein (SEC through IM), Thiosulfate-binding protein CysP
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
yes
yes
FHUE_ECOLI
P16869
fhuE
b1102 JW1088
OM b-barrel protein (SEC through IM, inserted in OM by BAM), FhuE receptor FhuE
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
 
SEC
 
BAM
no
yes
CIRA_ECOLI
P17315
cirA

cir feuA

b2155 JW2142
OM b-barrel protein (SEC through IM, inserted in OM by BAM), Colicin I receptor CirA
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane
Outer Membrane ??-barrel protein (Experimental)
 
 
SEC
DSBA,SKP
BAM
yes
yes
YFAA_ECOLI
P17994
yfaA

pufY

b2230 JW2224
periplasmic protein (SEC through IM), YfaA
Periplasmic
G
Soluble IM Fraction
 
Periplasmic
 
 
SEC
 
 
no
yes
PNCB_ECOLI
P18133
pncB
b0931 JW0914
periplasmic protein (SEC through IM), Nicotinate phosphoribosyltransferase PncB
Periplasmic
G
N/A
 
Cytoplasmic
 
 
SEC
 
 
no
yes
YJJA_ECOLI
P18390
yjjA
b4360 JW5795
periplasmic protein (SEC through IM), YjjA
Periplasmic
G
N/A
 
Periplasmic
 
 
SEC
 
 
yes
yes
DMSA_ECOLI
P18775
dmsA
b0894 JW5118
periplasmic peripheral IM protein (TAT-SEC through IM), Dimethyl sulfoxide reductase DmsA
Peripheral inner membrane protein facing the periplasm
F2
Soluble IM Fraction
Cell membrane
Periplasmic (Experimental)
 
DmsD
TAT,SEC
 
 
yes
yes
DMSB_ECOLI
P18776
dmsB
b0895 JW0878
periplasmic peripheral IM protein (TAT via piggyback through IM), Anaerobic dimethyl sulfoxide reductase chain B DmsB
Peripheral inner membrane protein facing the periplasm
F2
N/A
 
Cytoplasmic
 
 
TAT (piggyback)
 
 
yes
yes
GGT_ECOLI
P18956
ggt
b3447 JW3412
periplasmic protein (SEC through IM), Glutathione hydrolase proenzyme Ggt
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
YfgM
 
yes
yes
AGP_ECOLI
P19926
agp
b1002 JW0987
periplasmic protein (SEC through IM), Glucose-1-phosphatase Agp
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
no
yes
SPEA_ECOLI
P21170
speA
b2938 JW2905
periplasmic protein (SEC through IM), Biosynthetic arginine decarboxylase SpeA
Periplasmic
G
Soluble IM Fraction
Periplasm
Cytoplasmic
 
TF
SEC
 
 
yes
yes
RNI_ECOLI
P21338
rna

rnsA

b0611 JW0603
periplasmic protein (SEC through IM), Ribonuclease I Rna
Periplasmic
G
N/A
Periplasm Cytoplasm
Periplasmic (Experimental)
 
 
SEC
DSBA,DSBC
 
yes
yes
NMPC_ECOLI
P21420
nmpC

phmA

b0553
OM b-barrel protein (SEC through IM, inserted in OM by BAM), Putative porin NmpC
Outer Membrane b-barrel protein
H
N/A
Cell outer membrane; Multi-pass membrane protein
Outer Membrane ss-barrel protein(experimental)
 
 
SEC
 
BAM
yes
no
YCBB_ECOLI
P22525
ycbB
b0925 JW0908
periplasmic peripheral OM protein (SEC through IM), Probable L,D-transpeptidase YcbB
Peripheral outer membrane protein facing the periplasm
F3
N/A
Membrane
Periplasmic
 
 
SEC
 
 
yes
yes
ECOT_ECOLI
P23827
eco

eti

b2209 JW2197
periplasmic protein (SEC through IM), Eco
Periplasmic
G
N/A
Periplasm
Periplasmic (Experimental)
 
 
SEC
 
 
no
yes
OPPA_ECOLI
P23843
oppA
b1243 JW1235
periplasmic protein (SEC through IM), oligopeptide-binding protein OppA
Periplasmic
G
Soluble IM Fraction
Periplasm
Periplasmic (Experimental)
 
SECB
SEC
 
 
yes
yes
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