IUBMB Enzyme Nomenclature
/ EC 4.3.1.18
/ Accepted name: D-serine ammonia-lyase
... The reaction catalysed probably involves initial elimination of water (hence the enzyme's original classification as EC 4.2.1.14,
D-serine...
http://www.chem.qmul.ac.uk/iubmb/enzyme/EC4/3/1/18.html