2.4.1.46: monogalactosyldiacylglycerol synthase
This is an abbreviated version!
For detailed information about monogalactosyldiacylglycerol synthase, go to the full flat file.
Word Map on EC 2.4.1.46
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2.4.1.46
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chloroplast
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galactolipids
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digalactosyldiacylglycerol
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thylakoid
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plastid
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phosphatidylglycerol
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glycerolipids
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type-b
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extraplastidial
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sulfoquinovosyldiacylglycerols
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monotopic
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monoglucosyldiacylglycerol
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protochlorophyllide
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de-epoxidase
- 2.4.1.46
- chloroplast
- galactolipids
- digalactosyldiacylglycerol
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thylakoid
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plastid
- phosphatidylglycerol
- glycerolipids
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type-b
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extraplastidial
- sulfoquinovosyldiacylglycerols
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monotopic
- monoglucosyldiacylglycerol
- protochlorophyllide
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de-epoxidase
Reaction
Synonyms
1,2-diacylglycerol 3-beta-galactosyltransferase, atMGD1, atMGD2, atMGD3, galactosyltransferase, uridine diphosphogalactose-1,2-diacylglycerol, LOC_Os02g55910, MGD, MGD1, MGD2, MGD3, MgdA, MGDG synthase, MGDG synthase 1, MGS, monogalactosyldiacylglycerol synthase, monogalactosyldiacylglycerol synthase 1, monogalactosyldiacylglycerol synthase A, monogalactosyldiacylglycerol synthase MGD1, monogalactosyldiacylglycerol synthase1, monoglucosyldiacylglycerol synthase, Os02g0802700, Sll1377, type A monogalactosyldiacylglycerol synthase, type B monogalactosyldiacylglycerol synthase, UDP galactose-1,2-diacylglycerol galactosyltransferase, UDP-galactose-diacylglyceride galactosyltransferase, UDP-galactose:1,2-diacylglycerol 3-beta-D-galactosyltransferase, UDP-galactose:diacylglycerol galactosyltransferase, uridine diphosphogalactose-1,2-diacylglycerol galactosyltransferase
ECTree
2.4.1.46 monogalactosyldiacylglycerol synthaseAdvanced search results
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results (Engineering
Engineering on EC 2.4.1.46 - monogalactosyldiacylglycerol synthase
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PROTEIN VARIANTS 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
D150N
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the mutant shows enhanced activation by phosphatidylglycerol binding, but unaltered activation by phosphatidic acid compared to the wild-type enzyme
H115A
residue H115 is involved in phosphatidylglycerol binding. Mutant is totally inactive in the presence or absence of anionic lipids
P189A
R260A
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the mutant shows enhanced activation by phosphatidylglycerol binding, but unaltered activation by phosphatidic acid compared to the wild-type enzyme
W287A
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the mutant shows wild-type catalytic capability, but modified phosphatidylglycerol binding capability compared to the wild-type enzyme
additional information
P189A
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the mutant shows wild-type catalytic capability, but modified phosphatidylglycerol binding capability compared to the wild-type enzyme
P189A
residue P189 is involved in phosphatidylglycerol binding. Mutant is inactive in the presence of phosphatidylglycerol and retains significant activity in the presence of phosphatidic acid
additional information
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construction of MGD2 and MGD3 mutants, the mgd3-1 mutant shows a drastic reduction in DGDG accumulation, particularly in the root, under Pi-starved conditions, phenotypes, overview
additional information
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identification of a naturally occuring Arabidopsis MGD1 mutant showing a complete defect in MGDG synthase 1, the mutant seedlings show a lack in galactolipids and disrupted photosynthetic membranes, leading to the complete impairment of photosynthetic ability and photoautotrophic growth, Dwarf and Albino phenotypes, overview
additional information
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construction of a mgd1-1 knockdown mutant, targeting of chloroplast proteins is not affected in mgd1-1 mutants, but in dark-grown mgd1-1 plants the photoactive to photoinactive protochlorophyllide ratio is increased, and photoprotective responses are induced. Mutant mgd1-1 cannot withstand high light intensities, apparently due to impairment of another photoprotective mechanism, steady-state capacity of the xanthophyll cycle is reduced in mgd1-1 mutants mediated by increased conductivity of the thylakoid membrane leading to a higher pH in the thylakoid interior, which impairs the pH-dependent activation of violaxanthin de-epoxidase and PsbS, phenotype, overview. Knockdown mgd1-1 mutant accumulates about 40% less galactolipid monogalactosyldiacylglycerol than wild type
additional information
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isolation of loss-of-function mutant atMGD3. During etiolated growth in darkness, mgd1-2 seedlings show hypocotyl elongation and root growth, although they are smaller than the wild-type
additional information
isolation of loss-of-function mutant atMGD3. During etiolated growth in darkness, mgd1-2 seedlings show hypocotyl elongation and root growth, although they are smaller than the wild-type
additional information
isolation of loss-of-function mutant atMGD3. During etiolated growth in darkness, mgd1-2 seedlings show hypocotyl elongation and root growth, although they are smaller than the wild-type
additional information
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isolation of loss-of-function mutant of atMGD2. During etiolated growth in darkness, mgd1-2 seedlings show hypocotyl elongation and root growth, although they are smaller than the wild-type
additional information
isolation of loss-of-function mutant of atMGD2. During etiolated growth in darkness, mgd1-2 seedlings show hypocotyl elongation and root growth, although they are smaller than the wild-type
additional information
isolation of loss-of-function mutant of atMGD2. During etiolated growth in darkness, mgd1-2 seedlings show hypocotyl elongation and root growth, although they are smaller than the wild-type
