| NPPase | nucleotide pyrophosphatase |
|---|---|
| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
| TPPase | thiamine pyrophosphatase |
| PPase | H(+)-pyrophosphatase |
|---|---|
| TPPase | Thiamin pyrophosphatase |
| UDPglucose pyrophosphatase | <enzyme> Acts on udpg to form uridine monophosphate and glucose-1-phosphate Registry number: EC 3.6.1.- (26 Jun 1999) |
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| guanosine-3',5'-bis(diphosphate) 3'-pyrophosphatase | <enzyme> Catalyses breakdown of guanosine tetraphosphate into guanosine diphosphate and pyrophosphate; spot protein is isolated from e. Coli Registry number: EC 3.1.7.2 Synonym: ppgpp-3'-pyrophosphohydrolase, guanosine tetraphosphate-3'-pyrophosphohydrolase, spot protein, spot gene product, ppgpp pyrophosphorylase, ppgppase, guanosine-5'-diphosphate 3'-diphosphate pyrophosphorylase (26 Jun 1999) |
|---|---|
| guanosine-5'-triphosphate, 3'-diphosphate pyrophosphatase | <enzyme> Catalyses the hydrolysis of guanosine 5'-triphosphate, 3'-diphosphate to yield guanosine 5'-diphosphate, 3'-diphosphate and orthophosphate; from E coli; also hydrolyzes other guanosine 5'-triphosphate derivatives with at least one unsubstituted phosphate group on the 3'-position, but not GTP, ATP or adenosine 5'-triphosphate, 3'-diphosphate Registry number: EC 3.6.1.40 Synonym: guanosine pentaphosphate phosphohydrolase, GTPdp pyrophosphatase, pppgpp 5'-phosphohydrolase, guanosine 5'-triphosphate-3'diphosphate 5'-phosphohydrolase, pppgpp-5'-phosphohydrolase, pppgpp-5'-phosphatase (26 Jun 1999) |
| pyrophosphatase | Any enzyme cleaving a pyrophosphate bond between two phosphoric groups, leaving one on each of the two fragments; e.g., inorganic pyrophosphatase, NAD+ p. (cleaves NAD, etc., to mononucleotides), ATP pyrophosphatase (cleaves inorganic pyrophosphate from ATP, leaving AMP). See: flavin adenine dinucleotide. (05 Mar 2000) |
| nucleoside-diphosphosugar pyrophosphatase | <enzyme> Catalyses the conversion of xdp-sugar to xmp and sugar 1-phosphate Registry number: EC 3.6.1.- Synonym: ndp-sugar pyrophosphatase, nucleotide-sugar pyrophosphatase (26 Jun 1999) |
| inorganic pyrophosphatase | A phosphohydrolase catalyzing hydrolysis of inorganic pyrophosphate to two orthophosphates. (05 Mar 2000) |
| oligosaccharide-diphosphodolichol pyrophosphatase | <enzyme> From yeast microsomal membranes; hydrolyses the pyrophosphate bond of oligosaccharide-pyrophosphodolichol into oligosaccharide phosphates plus dolicholphosphate Registry number: EC 3.6.1.44 Synonym: ols-pp-dol pyrophosphatase, oligosaccharide-pyrophosphodolichol pyrophosphatase (26 Jun 1999) |
| thiamine pyrophosphatase | <enzyme> The coenzyme form of vitamin B1 (thiamine), deficiency of which causes beri beri. Forms the prosthetic group of pyruvate dehydrogenase, _ ketoglutarate dehydrogenase and transketolase, in which it is involved in transfer of a 2 carbon unit. Marker for the trans cisternae of the Golgi complex. (18 Nov 1997) |
| FAD pyrophosphatase | <enzyme> Hydrolyzes fad to flavin mononucleotide and AMP Registry number: EC 3.6.1.18 Synonym: flavin-adenine dinucleotide phosphohydrolase, fad phosphohydrolase (26 Jun 1999) |
| UDPglucose | A pyrophosphate group links the 5'-position of uridine and the 1-position of d-glucose; an intermediate in glycogen biosynthesis. Synonym: UDPglucose. Acronym: UDPG (05 Mar 2000) |
| udpglucose 4-epimerase | <enzyme> A necessary enzyme in the metabolism of galactose. It reversibly catalyses the conversion of udpglucose to udpgalactose. NAD+ is an essential component for enzymatic activity. Chemical name: UDPglucose 4-epimerase Registry number: EC 5.1.3.2 (12 Dec 1998) |
| UDPglucose-coniferyl-alcohol glucosyltransferase | <enzyme> Forms coniferin (coniferyl alcohol 7-o-beta-d-glucopyranoside) Registry number: EC 2.4.1.- Synonym: udpcagtransferase (26 Jun 1999) |
| UDPglucose dolicholphosphate glucosyltransferase | <enzyme> Catalyses the transfer of glucose from udpglucose to dolichyl phosphate with the formation of dolichyl beta-d-glucosyl phosphate Registry number: EC 2.4.1.117 Synonym: dolichyl glucosyl transferase, dolichyl-phosphate-beta-glucosyltransferase, glucosylphosphoryldolichol synthetase, dpgu-transferase, glucosylphosphoryldolichol synthase (26 Jun 1999) |
| UDPglucose-flavonol-ring-B-O-glucosyltransferase | <enzyme> Transfers glucose from udpg to positions 2' or 5' of partially methylated flavonols Registry number: EC 2.4.1.- Synonym: flavonol-ring-b o-glucosyltransferase, flavonol rbo glucosyltransferase, flavonol ring-beta-o-glucosyltransferase (26 Jun 1999) |
| UDPglucose-glycogen glucose 1-phosphotransferase | <enzyme> Catalyses the transfer of glucose 1-phosphate onto c-6 of glucose residues in glycogen to form a phosphodiester Registry number: EC 2.7.8.- Synonym: ugg-glcptase (26 Jun 1999) |
| UDPglucose-glycoprotein glucose-1-phosphotransferase | <enzyme> From embryonic chicken neural retina; glucose is linked by phosphodiester bonds to mannose of a cell surface glycoprotein; catalyses the transfer of alpha glc-1-p from udp-glc to mannose residues on acceptor glycoproteins Registry number: EC 2.7.8.19 Synonym: glcptase, glc-phosphotransferase (26 Jun 1999) |
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