2.4.1.66: procollagen glucosyltransferase
This is an abbreviated version!
For detailed information about procollagen glucosyltransferase, go to the full flat file.
Word Map on EC 2.4.1.66
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2.4.1.66
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prolyl
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gg
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4-hydroxylase
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galactosyltransferase
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propeptide
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soleus
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aminoterminal
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hyp
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tibialis
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4-hydroxyproline
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chick-embryo
- 2.4.1.66
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prolyl
- gg
-
4-hydroxylase
-
galactosyltransferase
- propeptide
- soleus
-
aminoterminal
- hyp
- tibialis
- 4-hydroxyproline
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chick-embryo
Reaction
Synonyms
collagen glucosyltransferase, collagen hydroxylysyl glucosyltransferase, galactosylhydroxylysine glucosyltransferase, galactosylhydroxylysyl glucosyltransferase, GGT, glucosyltransferase, uridine diphosphoglucose-collagen, LH3, LH3/PLOD3, lysyl hydroxylase, lysyl hydroxylase 3, More, multifunctional procollagen lysine hydroxylase and glycosyltransferase, PLOD3, UDP-glucose-collagen glucosyltransferase, UDP-glucose:galactosylhydroxylysine-collagen glucosyltransferase, uridine diphosphoglucose-collagen glucosyltransferase
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Natural Substrates Products
Natural Substrates Products on EC 2.4.1.66 - procollagen glucosyltransferase
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REACTION DIAGRAM
UDP-alpha-D-glucose + [procollagen]-(5R)-5-O-(beta-D-galactosyl)-5-hydroxy-L-lysine
UDP + [procollagen]-(5R)-5-O-[alpha-D-glucosyl-(1->2)-beta-D-galactosyl]-5-hydroxy-L-lysine
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-
-
?
UDP-glucose + (2S,5R)-5-O-(beta-D-galactosyl)-5-hydroxy-L-lysine-[procollagen]
UDP + (2S,5R)-5-O-[alpha-D-glucosyl-(1->2)-beta-D-galactosyl]-5-hydroxy-L-lysine-[procollagen]
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-
-
-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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involved in collagen biosynthesis
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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glycosylation in the course of procollagen and collagen biosynthesis, carbohydrate attachment is an essential step in the protocollagen biosynthesis, postribosomal modification
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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posttranslational modification of collagen
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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probably postribosomal, attachment of galactose and glucose to hydroxylysine in collagen could conceivably function as part of the control mechanism signaling completion of the molecule and initiating its release
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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involved in collagen biosynthesis
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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involved in collagen biosynthesis
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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intracellular enzyme of collagen biosynthesis
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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involved in collagen biosynthesis
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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may play a major role in the mechanism of platelet:collagen adhesion
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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posttranslational modification of collagen
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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together with EC 2.4.1.50 involved in biosynthesis of glucosylgalactosylhydroxylysine units in collagens, basement membranes and certain serum glycoproteins
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-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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involved in collagen biosynthesis
-
-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
-
posttranslational modification of collagen
-
-
?
UDP-glucose + 5-(D-galactosyloxy)-L-lysine-procollagen
UDP + 1,2-D-glucosyl-5-D-(galactosyloxy)-L-lysine-procollagen
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marker enzyme of collagen biosynthesis
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-
?
?
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there must be an additional glucosyltransferase to LH3 that is responsible for most of the collagen glucosylation in vivo
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?
additional information
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the reduction of the galactosylhydroxylysyl glucosyltransferase activity of LH3 disrupts the localization of type IV collagen, and thus the formation of basement membranes during mouse embryogenesis leading to lethality at embryonic day 9.5-14.5. Survival of hypomorphic embryos and the formation of the basement membrane are directly correlated with the level of galactosylhydroxylysyl glucosyltransferase activity. An LH3-knockout mouse lacks galactosylhydroxylysyl glucosyltransferase. Lysyl hydroxylase 3 is the main molecule responsible for galactosylhydroxylysyl glucosyltransferase activity. Galactosylhydroxylysyl glucosyltransferase is essential for the formation of the basement membrane
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?