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EC 1.1.1.282 Details
EC number
1.1.1.282
Accepted name
quinate/shikimate dehydrogenase [NAD(P)+]
Reaction
(1) L-quinate + NAD(P)+ = 3-dehydroquinate + NAD(P)H + H+;;(2) shikimate + NAD(P)+ = 3-dehydroshikimate + NAD(P)H + H+
Other name(s)
YdiB, quinate/shikimate dehydrogenase (ambiguous)
Systematic name
L-quinate:NAD(P)+ 3-oxidoreductase
Comment
This is the second shikimate dehydrogenase enzyme found in Escherichia coli. It can use both quinate and shikimate as substrates and either NAD+ or NADP+ as acceptor. The low catalytic efficiency with both quinate and shikimate suggests that neither may be the physiological substrate. cf. EC 1.1.1.24, quinate/shikimate dehydrogenase (NAD+), EC 1.1.5.8, quinate/shikimate dehydrogenase (quinone), and EC 1.1.1.25, shikimate dehydrogenase (NADP+).
History
created 2004, modified 2021
EC Tree
1.1.3.1 created 1961, deleted 1984
1.1.3.22 created 1961 as EC 1.2.3.2, transferred 1984 to EC 1.1.3.22, modified 1989, deleted 2004
1.1.3.25 created 1986, deleted 2005
1.1.3.26 created 1989, deleted 2002
1.1.3.31 created 1992, deleted 2003
1.1.3.32 created 1999, deleted 2002
1.1.3.33 created 1999, deleted 2002
1.1.3.34 created 1999, deleted 2002
1.1.3.35 created 1999, deleted 2002
1.1.3.36 created 1999, deleted 2002
1.1.99.15 created 1978, deleted 1980
1.1.99.17 created 1982, deleted 2003