GOID | Label & def | RHEA 1 | RHEA 2 | change
-- | -- | -- | -- | --
GO:0003984 | **acetolactate synthase activity** Catalysis of the reaction: H+ + 2 pyruvate = (2S)-2-acetolactate + CO2, or 2-oxobutanoate + H+ + pyruvate = (S)-2-ethyl-2-hydroxy-3-oxobutanoate + CO2. [ | RHEA:25249 | RHEA:27654 | Change def xref from 2 RHEA to the single EC
GO:0004160 | **dihydroxy-acid dehydratase activity** Catalysis of the reaction: (2R)-2,3-dihydroxy-3-methylbutanoate = 3-methyl-2-oxobutanoate + H2O, or (2R,3R)-2,3-dihydroxy-3-methylpentanoate = (S)-3-methyl-2-oxopentanoate + H2O. [ | RHEA:24809 | RHEA:27694 |
GO:0010945 | **coenzyme A diphosphatase activity** Catalysis of the reaction: an acyl-coenzyme A or its derivatives + H2O = adenosine 3',5'-bisphosphate + an acyl-4'-phosphopantetheine + 2 H+. This reaction can also use coenzyme A as a substrate. [PMID:10922370, PMID:16185196, | RHEA:50044 | RHEA:64988 | Remove the 2 narrowRHEA from defxref; add EC:3.6.1.77 as narrow xref; GO is broader than either GO or EC.
The def xef should probably be replaced by the EC.
I wonder why RHEA:27694 is associated with EC:4.2.1.9 dihydroxy-acid dehydratase, which only mentions 2,3-dihydroxy-3-methylbutanoate , but NOT 2,3-dihydroxy-3-methylpentanoate.