1H0H Tungsten containing Formate Dehydrogenase from Desulfovibrio Gigas DESULFOVIBRIO GIGAS 1TMO TRIMETHYLAMINE N-OXIDE REDUCTASE FROM SHEWANELLA MASSILIA Shewanella massilia 2IV2 Reinterpretation of reduced form of formate dehydrogenase H from E. coli Escherichia coli