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1.1.1.284: S-(hydroxymethyl)glutathione dehydrogenase

This is an abbreviated version!
For detailed information about S-(hydroxymethyl)glutathione dehydrogenase, go to the full flat file.

Word Map on EC 1.1.1.284

Reaction

S-(hydroxymethyl)glutathione
+
NAD(P)+
=
S-formylglutathione
+
NAD(P)H
+
H+

Synonyms

ADH III, ADH3, ADH4, ADH5, AdhC, alcohol dehydrogenase 3, alcohol dehydrogenase 5, alcohol dehydrogenase class III, alcohol dehydrogenase class-3, Alcohol dehydrogenase SFA, AN7632.2, AtGSNOR, c-ADH, carbonyl reductase 1, CBR1, class III ADH, class III alcohol dehydrogenase, dehydrogenase, formaldehyde, EC 1.2.1.1, FALDH, FDH, FLD, FldA, formaldehyde dehydrogenase, formaldehyde dehydrogenase (glutathione), formic dehydrogenase, FrxA, GD-FAlDH, GFD, glutathione (GSH)-dependent formaldehyde dehydrogenase, glutathione-dependent alcohol dehydrogenase, Glutathione-dependent formaldehyde dehydrogenase, GS-FDH, GSH-FDH, GSNO reductase, GSNO-R, GSNOR, GSNOR1, HMGSH dehydrogenase, HOT5, MGG_06011, NAD- and glutathione-dependent formaldehyde dehydrogenase, NAD-dependent formaldehyde dehydrogenase, NAD-linked formaldehyde dehydrogenase, NADH-GSNO oxidoreductase, nitroreductase, NTRA, Os02g0815500, Os02G57040, OsGSNOR, PmFLD1, PmGSNOR, S-nitrosoglutathione reductase, SA0UHSC_00833, SFA1, SlGSNOR, SoGSNOR, Tc-GFD

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.284 S-(hydroxymethyl)glutathione dehydrogenase

Engineering

Engineering on EC 1.1.1.284 - S-(hydroxymethyl)glutathione dehydrogenase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
E283K
-
activity compared with the wild type is 33.8% in hot5-1 plants. No significant change in GSNOR activity under heat stress conditions in the wild-type or mutant. Dark-grown seedlings of hot5-1 have a heat-stress phenotype in the dark, despite having apparently reasonable GSNOR activity at this stage
G288R
-
activity compared with the wild type is 58.8% in hot5-3 plants. No significant change in GSNOR activity under heat stress conditions in the wild-type or mutant. Dark-grown seedlings of hot5-3 have a heat-stress phenotype in the dark, despite having apparently reasonable GSNOR activity at this stage
C100A
mutant is misfolded
C11A
about 55% of wild-type activity
C48A
about 5% of wild-type activity
R118A
about 75% of wild-type activity
T50A
about 85% of wild-type activity
C100A
-
mutant is misfolded
-
C11A
-
about 55% of wild-type activity
-
C48A
-
about 5% of wild-type activity
-
R118A
-
about 75% of wild-type activity
-
T50A
-
about 85% of wild-type activity
-
D57L
-
considerable loss of formaldehyde dehydrogenase activity
D57L/Y93F
-
fall in ratio kcat/Km for hydroxymethylglutathione by a factor of 1250, alcohol dehydrogenase activity of the mutant has gained a characteristic class I property, complete inhibition by 4-methylpyrazole at concentrations only partially reducing the activity of the wild-type class III enzyme
E67L
-
mutant in which Glu67 is substituted with Leu
K188A
site-directed mutagenesis, the mutation results in the loss of allosteric behavior of the enzyme
K323A
site-directed mutagenesis, the mutation results in the loss of allosteric behavior of the enzyme
R368L
-
mutant in which Arg368 is substituted with Leu
T48A
-
enzyme has essentially no alcohol dehydrogenase activity but has some glutathione-dependent formaldehyde dehydrogenase activity
Y93F
-
decreased turnover number for substrates in general, inhibition of alcohol dehydrogenase activity by 4-methylpyrazole, which is not found in the wild-type enzyme
D267E
-
kinetic properties identical to that of wild-type enzyme
D267E/T269I
-
Km-value for S-hydroxymethylglutathione is about 11fold lower than that of the wild-type enzyme, turnover-number for S-hydroxymethylglutathione is about 8fold lower than that of wild-type enzyme
D269I
-
highly unstable enzyme, kinetic properties identical to that of wild-type enzyme
additional information