Analyses of the Large Subunit Histidine-Rich Motif Expose an Alternative Proton Transfer Pathway in [NiFe] Hydrogenases
Figure 3
The amino acids of proposed proton transfer pathway are highly conserved.
T.r.: Thiocapsa roseopersicina HynL, A.v.: Allochromatium vinosum HydL, R.c.: Rhodobacter capsulatus HupL, M.c.: Methylococcus capsulatus, B.j.: Bradyrhizobium japonicum HupL, Rh.l.: Rhizobium leguminosarum HupL, R.e.: Ralstonia eutropha H16 HoxG, D.v.: Desulfovibrio vulgaris Miyazaki F HynB, D.g.: Desulfovibrio gigas HynB, D.f.: Desulfovibrio fructosovorans HynB. The upper and lower numbering refers to the large subunits of T. roseopersicina and D. vulgaris enzymes, respectively.