Oxidoreductases
Catalyzing the reaction X-H + Y-H = 'X-Y'
With a disulfide as acceptor
The following ENZYME entries belong to class 1.21.4.-:
1.21.4.1 D-proline reductase 1.21.4.2 Glycine reductase 1.21.4.3 Sarcosine reductase 1.21.4.4 Betaine reductase 1.21.4.5 Tetrachlorohydroquinone reductive dehalogenase