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EC 1.2.1.107 Details
EC number
1.2.1.107
Accepted name
glyceraldehyde-3-phosphate dehydrogenase (arsenate-transferring)
Reaction
D-glyceraldehyde 3-phosphate + arsenate + NAD+ = 1-arsono-3-phospho-D-glycerate + NADH + H+
Systematic name
D-glyceraldehyde-3-phosphate:NAD+ oxidoreductase (arsenate-transferring)
Comment
The enzyme, discovered in bacteria, is very similar to EC 1.2.1.12, glyceraldehyde-3-phosphate dehydrogenase (phosphorylating). However, the gene encoding it is located in arsenic resistance islands in the chromosome, next to a gene (arsJ) that encodes a transporter that removes the product, 1-arsono-3-phosphoglycerate, from the cell. Together the two proteins form an arsenic detoxification system.
History
created 2021
EC Tree
1.2.1.1 created 1961, modified 1982, modified 2002, deleted 2005
1.2.1.6 created 1961, deleted 1965
1.2.1.14 created 1961, deleted 1984
1.2.1.34 created 1972, deleted 1983 [transferred to EC 1.1.1.180, deleted 1984]
1.2.1.35 created 1972, deleted 1984
1.2.1.37 created 1972, deleted 1984
1.2.1.55 created 1990, deleted 2003
1.2.1.56 created 1990, deleted 2003