MACiE Entries homologous to 1qrg

MACiE does not contain the PDB code you entered, but MACiE contains the following PDB codes that are homologous to it:

MACiE Entry: 1lxa
acyl-[acyl-carrier-protein]-UDP-N-acetylglucosamine O-acyltransferase
Species: Escherichia coli
Catalytic Residues:  His125A  Asp126A  Gly143A  
CSA Entry: 1qrg
carbonate dehydratase
Species: Methanosarcina thermophila
Catalytic Residues:  Gly123A  

Whilst these entries are considered homologous, they differ at the Class level of the EC Classification.
The mechanisms are unlikely to be the same.