Cysteine SynthaseSerine O-AcetyltransferaseCysteineSinorhizobium frediiLyasesSpinacia oleraceaSulfurCarbon-Oxygen LyasesMolecular Sequence DataPyridoxal PhosphateAcetyltransferasesAmino Acid SequenceGenetic Complementation TestChloroplastsCysteine EndopeptidasesCloning, MolecularKineticsEscherichia coliSequence Homology, Amino AcidSoybeansCysteine ProteasesCitrate (si)-SynthaseBase SequenceSubstrate SpecificitySequence AlignmentIsoenzymes