Cysteine Proteases of E. coli



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Proteases are listed according to their celluar localisation and in alphabetical order. MWs of periplasmic proteases are given for the unprocessed precursor proteins. Clicking on the protein name will open the latest SwissProt file.


Proteases localised in the

Cytoplasm
Periplasm

Cytoplasm

ElaD protein (elaD )
Peptidase familySUMO/Ulp1_C InterPro
FunctionCys protease?
Structure 
MW45947 Da
402 aa

Heat shock protein 31 (hchA /b1967 )
Peptidase familyCys protease? InterPro
FunctionCrystal structure reveals a His Asp Cys catalytic triad. Hsp31 was previously characterised as a chaperone.
Structure PDB
MW31059 Da
282 aa

Putative Cys protease YhbO (yhbO )
Peptidase familyC40
Function 
Structure 
MW18858 Da
172 aa



Periplasm

Putative Cys protease NlpC (nlpC )
Peptidase familyC40
Function 
Structurepotential lipoprotein
MW17283 Da
154 aa (1-15 signal pept.)

Putative Cys protease YafL (yafL )
Peptidase familyC40
Function 
Structurepotential lipoprotein
MW28785 Da
249 aa (1-17 signal pept.)

Putative Cys protease YdhO (ydhO )
Peptidase familyC40
Function 
Structure 
MW29916 Da
271 aa (1-27 signal pept.)