2.4.2.19: nicotinate-nucleotide diphosphorylase (carboxylating) This is an abbreviated version! For detailed information about nicotinate-nucleotide diphosphorylase (carboxylating), go to the full flat file .
Word Map on EC 2.4.2.19
Reaction
beta-nicotinate D-ribonucleotide +
diphosphate +
CO2 =
pyridine-2,3-dicarboxylate +
5-phospho-alpha-D-ribose 1-diphosphate
Synonyms BNA6, general stress protein 70 , GSP70 , Hp-QAPRTase, hQPRTase, M6_Spy1061, NAD pyrophosphorylase, NadC, nicotinate mononucleotide pyrophosphorylase (carboxylating) (EC 2.4.2.19), nicotinate-nucleotide pyrophosphorylase (carboxylating), nicotinate-nucleotide:pyrophosphate phospho-alpha-D-ribosyltransferase (decarboxylating), pyrophosphorylase, nicotinate mononucleotide (carboxylating), QAPRTase, QPRT, QPRTase, QPRTase , QPT, QPT1, QPT2, quinolate phosphoribosyltransferase, quinolinate phosphoribosyl transferase, quinolinate phosphoribosyltansferase, quinolinate phosphoribosyltransferase, quinolinate phosphoribosyltransferase (decarboxylating), quinolinate phosphoribosyltransferase 1, quinolinate phosphoribosyltransferase 2, quinolinate phosphoribosyltransferase [decarboxylating] , quinolinic acid phosphoribosyl transferase, quinolinic acid phosphoribosyltransferase, quinolinic phosphoribosyltransferase, sp.NadC, spNadC, TM1645, type II quinolic acid phosphoribosyltransferase, type II quinolinic acid phosphoribosyltransferase
ECTree
Specific Activity
Specific Activity on EC 2.4.2.19 - nicotinate-nucleotide diphosphorylase (carboxylating)
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0.0006
-
wild-type with nicotinic acid at 1 mM and 2 mM 5-phospho-alpha-D-ribose 1-diphosphate
0.0133
-
enzyme from liver
0.0187
-
enzyme from brain
0.0227 - 0.0919
-
enzyme from kidney
0.07
-
mutant R152A with nicotinic acid at 1 mM and 2 mM 5-phospho-alpha-D-ribose 1-diphosphate
0.09
wild-type, 0.1 mM 5-phospho-alpha-D-ribose 1-diphosphate, UV-based assay measuring nicotinic acid mononucleotide formation at 266 nm, 30 min, 37°C, same order of magnitude as bacterial enzymes, 100% relative activity
0.1
-
mutant R152A with quinolinic acid at 1 mM and 2 mM 5-phospho-alpha-D-ribose 1-diphosphate
0.2
cell extract, at pH 7.2 and 37°C
1.2
after 6.4fold purification, at pH 7.2 and 37°C
1.2
-
wild-type with quinolinic acid at 1 mM and 2 mM 5-phospho-alpha-D-ribose 1-diphosphate
additional information
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additional information
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-
additional information
mutant R102A and R102Q, 10% remaining activity
additional information
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mutant R102A and R102Q, 10% remaining activity
additional information
mutant R161A, 20% remaining activity
additional information
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mutant R161A, 20% remaining activity
additional information
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-