Table 2. Residue compositions of the putative active sites of RutC and three analyzed homologs.

Residues which are 100% conserved are shown in bold.

RutC	TdcF	hp14.5	YabJ
Phe18	Tyr17	Tyr21	Tyr17
Gly32	Gly31	Gly35	Gly31
Thr58	Asn56	Asn62	Asn56
Asn90	Asn88	Asn93	Asn88
Arg104	Arg105	Arg107	Arg102
Cys106	Cys107	Ala109	Cys104
Glu119	Glu120	Glu122	Glu117