Hi all
 
I have searched the PDB without much luck and wondered whether anyone out there 
could confirm:
 
I'm looking for co-crystal structures of enzymes with inhibitors that bind to 
the catalytic group via a ketone moiety.  Our case is a metalloprotease with a 
ketomethylene peptide analogue but any kind will do.
 
As far as I can tell, the PDB has a few examples with an aldehyde at one of the 
termini of the inhibitor (e.g. 1LAN, 1CBX), and some with modified ketones (e.g 
fluoro-, 1OD1, 1NJS) but none with an unmodified internal ketone.
 
So far, I've found some carboxypeptidase A papers from the 80's and nothing 
since.  Have I missed something?
 
Sincerely
Jean Watermeyer
 
 
Jean Watermeyer
Division of Medical Biochemistry
IIDMM
University of Cape Town Health Sciences
Anzio Rd Observatory
7925
South Africa
 
Tel. 021 4066832
 
 
PLEASE UPDATE: my email address has changed: [EMAIL PROTECTED]
 
Jean Watermeyer
Division of Medical Biochemistry
IIDMM
University of Cape Town Health Sciences
Anzio Rd Observatory
7925
South Africa
 
Tel. 021 4066832

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