STEPdb: Sub-cellular Topologies of E.coli Polypeptides.

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E.coli BL21(DE3) proteome

(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
Order Locus Name
Protein Name
(Uniprot)
Full Name
Symbol
Uniprot
First Level
Secretion
System
First Level
Targeting
Chaperoning
Second Level
Secretion
System
Second Level
Targeting
Chaperoning
E.coli Core
Proteome
(yes/no)
basic proteome
C6EBD7_ECOBD
C6EBD7
 
ECBD_1718
Flagellar hook-associated 2 domain protein
Peripheral outer membrane protein facing the extra-cellular space
F4
 
 
 
Flagellum
 
 
yes
C6EBD8_ECOBD
C6EBD8
 
ECBD_1719
Flagellin domain protein
Peripheral outer membrane protein facing the extra-cellular space
F4
 
 
 
Flagellum
 
 
yes
C6EHD0_ECOBD
C6EHD0
flgL
B21_01087 ECBD_2517 ECD_01079
Flagellar hook-associated protein 3 (Flagellar hook-associated protein L)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
 
 
Flagellum
 
yes
yes
C6EHD7_ECOBD
C6EHD7
flgE
B21_01080 ECBD_2524 ECD_01072
Flagellar basal body FlaE domain protein (Flagellar hook protein E)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
 
 
Flagellum
 
 
yes
C6EHD1_ECOBD
C6EHD1
flgK
B21_01086 ECBD_2518 ECD_01078
Flagellar hook-associated protein FlgK (Flagellar hook-associated protein K)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
 
 
Flagellum
 
yes
yes
C6EJ93_ECOBD
C6EJ93
eno
B21_02586 ECBD_0950 ECD_02624
Enolase (EC 4.2.1.11) (2-phospho-D-glycerate hydro-lyase) (2-phosphoglycerate dehydratase)
Cytoplasmic, Peripheral inner membrane protein facing the cytoplasm, Peripheral outer membrane protein facing the extra-cellular space
A,F1,F4
Cytoplasm | cytoskeleton | Secreted | Cell surface
 
 
 
 
yes
yes
C6EBR3_ECOBD
C6EBR3
fimH
B21_04151 ECBD_3715 ECD_04189
FimH mannose-binding domain protein (Minor component of type 1 fimbriae)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
CU: Chaperone Usher export system
 
 
yes
C6EBR4_ECOBD
C6EBR4
fimG
B21_04150 ECBD_3716 ECD_04188
Fimbrial protein (Minor component of type 1 fimbriae)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
CU: Chaperone Usher export system
 
 
yes
C6EBR5_ECOBD
C6EBR5
fimF
B21_04149 ECBD_3717 ECD_04187
Fimbrial protein (Minor component of type 1 fimbriae)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
CU: Chaperone Usher export system
 
 
yes
C6EBR9_ECOBD
C6EBR9
fimA
B21_04145 ECBD_3721 ECD_04183
Fimbrial protein (Major type 1 subunit fimbrin (Pilin))
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
Flagellum
 
 
yes
C6EEL2_ECOBD
C6EEL2
 
ECBD_2132
Fimbrial protein
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
Flagellum
 
 
no
C6EEL3_ECOBD
C6EEL3
ydeS
B21_01474 ECBD_2135 ECD_01462
Fimbrial protein (Predicted fimbrial-like adhesin protein)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
CU: Chaperone Usher export system
 
 
yes
C6EHD8_ECOBD
C6EHD8
flgD
B21_01079 ECBD_2525 ECD_01071
Flagellar basal body rod modification protein D (Flagellar hook capping protein)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
 
 
 
no
C6EHH0_ECOBD
C6EHH0
csgA
B21_01046 ECBD_2557 ECD_01039
Cryptic curlin major subunit (Curlin associated repeat protein)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
Curli
 
 
yes
C6EHH1_ECOBD
C6EHH1
csgB
B21_01045 ECBD_2558 ECD_01038
Curlin associated repeat protein (Curlin nucleator protein, minor subunit in curli complex)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
 
 
yes
yes
C6EHH4_ECOBD
C6EHH4
csgF
B21_01042 ECBD_2561 ECD_01035
Curli assembly protein CsgF (Predicted transport protein)
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
 
 
 
yes
C6VHK6_ECOBD
C6VHK6
yadC
ECD_00134
Predicted fimbrial-like adhesin protein
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
CU: Chaperone Usher export system
 
 
yes
C6EAS2_ECOBD
C6EAS2
yadC
B21_00133 ECBD_3484
Fimbrial protein
Peripheral outer membrane protein facing the extra-cellular space
F4
 
SEC
 
CU: Chaperone Usher export system
 
 
yes
C6ECS8_ECOBD
C6ECS8
lpp
B21_01636 ECBD_1968 ECD_01646
LPP repeat-containing protein (Murein lipoprotein)
Outer Membrane Lipoprotein, Peripheral outer membrane protein facing the extra-cellular space
I, F4
 
SEC
TF
LOL: Localization Of Lipoproteins
 
 
yes
C6EHH5_ECOBD
C6EHH5
csgG
B21_01041 ECBD_2562 ECD_01034
Curli production assembly/transport component CsgG (Outer membrane lipoprotein)
Outer Membrane Lipoprotein, Peripheral outer membrane protein facing the extra-cellular space
I, F4
 
SEC
 
LOL: Localization Of Lipoproteins
 
yes
yes
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