1.2.7.8	-	639362, 644697, 644700, 644703	
1.2.7.8	by affinity chromatography, 74fold	693334	
1.2.7.8	purification under extremely anaerobic conditions in presence of 2mM dithiothreitol and 2mM sodium dithionite to protect against oxygen attack, and also 1mM MgSO4,1mM thiamine diphosphate and 0.2M NaCl, additives which have been found to stabilize	725574	
1.2.7.8	under extremely anaerobic conditions with all buffers containing 2 mM dithiothreitol and 2 mM dithiothreitol. Q Sepharose column chromatography, hydroxyapatite column chromatography, Blue Sepharose column chromatography, and Superdex 200 gel filtration	725574