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. 1998 Sep 29;95(20):11625–11630. doi: 10.1073/pnas.95.20.11625

Figure 1.

Figure 1

Alignment of amino acid sequences of various [NiFe] hydrogenase small subunits around the three cysteine ligands to the [3Fe-4S] center. The sequences were taken from refs. 8 (D. gigas [NiFe] hydrogenase, D. g.), 18 (D. fructosovorans, D. f.), 21 (D. vulgaris Miyazaki F, D. v.), 22 (Rhodobacter capsulatus, R. c.), 23 (Bradirhizobium japonicum, B. j.), and 8 (D. baculatum, Dm. b.). The cysteine cluster ligands and the conserved proline residue corresponding to position 239 in D. gigas enzyme are shown in bold.