Information on EC 2.7.6.1 - ribose-phosphate diphosphokinase

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The expected taxonomic range for this enzyme is: Eukaryota, Bacteria, Archaea

EC NUMBER
COMMENTARY hide
2.7.6.1
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RECOMMENDED NAME
GeneOntology No.
ribose-phosphate diphosphokinase
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
ATP + D-ribose 5-phosphate = AMP + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
diphosphate transfer
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
PRPP biosynthesis I
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histidine metabolism
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Pentose phosphate pathway
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Purine metabolism
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Metabolic pathways
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Biosynthesis of secondary metabolites
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Microbial metabolism in diverse environments
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Biosynthesis of antibiotics
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SYSTEMATIC NAME
IUBMB Comments
ATP:D-ribose-5-phosphate diphosphotransferase
dATP can also act as donor.
CAS REGISTRY NUMBER
COMMENTARY hide
9015-83-2
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ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
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Automatic Mining of ENzyme DAta
animal
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Manually annotated by BRENDA team
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Automatic Mining of ENzyme DAta
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UniProt
Manually annotated by BRENDA team
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Manually annotated by BRENDA team
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Manually annotated by BRENDA team
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Manually annotated by BRENDA team
lingcod
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Manually annotated by BRENDA team
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
plant
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
protozoa
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
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Manually annotated by BRENDA team
Salmonella enterica subsp. enterica serovar Typhimurium Su 422
Su 422 strain
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Manually annotated by BRENDA team
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Automatic Mining of ENzyme DAta
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Automatic Mining of ENzyme DAta
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
malfunction
physiological function
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
(R)9-(2-phosphonylmethoxypropyl)adenine + 5-phospho-alpha-D-ribose 1-diphosphate
(R)9-(2-phosphonylmethoxypropyl)adenine-diphosphate + D-ribose 5-phosphate
show the reaction diagram
(R)9-(3-fluoro-2-phosphonylmethoxypropyl)adenine + 5-phospho-alpha-D-ribose 1-diphosphate
(R)9-(3-fluoro-2-phosphonylmethoxypropyl)adenine-diphosphate + D-ribose 5-phosphate
show the reaction diagram
(S)9-(2-phosphonylmethoxypropyl)adenine + 5-phospho-alpha-D-ribose 1-diphosphate
(S)9-(2-phosphonylmethoxypropyl)adenine-diphosphate + D-ribose 5-phosphate
show the reaction diagram
(S)9-(3-fluoro-2-phosphonylmethoxypropyl)adenine + 5-phospho-alpha-D-ribose 1-diphosphate
(S)9-(3-fluoro-2-phosphonylmethoxypropyl)adenine-diphosphate + D-ribose 5-phosphate
show the reaction diagram
2',3'-dideoxy-2',3'-didehydro-adenosine-5'-monophosphate + 5-phospho-alpha-D-ribose 1-diphosphate
2',3'-dideoxy-2',3'-didehydro-adenosine-5'-triphosphate + D-ribose 5-phosphate
show the reaction diagram
5'-adenylyl-beta,gamma-imidodiphosphate + D-ribose 5-phosphate
?
show the reaction diagram
9-(2-phosphonylmethoxyethoxy)adenine + 5-phospho-alpha-D-ribose 1-diphosphate
9-(2-phosphonylmethoxyethoxy)adenine-diphosphate + D-ribose 5-phosphate
show the reaction diagram
9-(2-phosphonylmethoxyethyl)adenine + 5-phospho-alpha-D-ribose 1-diphosphate
9-(2-phosphonylmethoxyethyl)adenine-diphosphate + D-ribose 5-phosphate
show the reaction diagram
AMP + 5-phospho-alpha-D-ribose 1-diphosphate
ATP + D-ribose 5-phosphate
show the reaction diagram
ATP + 1,2,3-trihydroxy-4-cyclopentanemethanol-6-phosphate
?
show the reaction diagram
ATP + 1,4,5-trihydroxy-3-cyclopent-2-enemethanol-6-phosphate
?
show the reaction diagram
ATP + 6-deoxyhomoribose 6-phosphonate
AMP + 6-deoxyhomoribose 6-phosphonate 1-diphosphate
show the reaction diagram
ATP + D-ribose 5-phosphate
AMP + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
ATP + D-ribose 5-phosphothionate
AMP + 5-phosphotionate-alpha-D-ribose 1-diphosphate
show the reaction diagram
ATP + ribulose-5-phosphate
AMP + 5-phospho-ribulose-1-diphosphate
show the reaction diagram
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r
CTP + D-ribose 5-phosphate
CMP + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
D-ribose 5-phosphate + ATP
5-phospho-alpha-D-ribose 1-diphosphate + AMP
show the reaction diagram
biosynthesis of purines and pyrimidines
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?
D-ribose 5-phosphate + ATP
phosphoribosyldiphosphate + AMP
show the reaction diagram
dATP + D-ribose 5-phosphate
dAMP + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
GTP + D-ribose 5-phosphate
GMP + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
ITP + D-ribose 5-phosphate
IMP + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
Mg-ATP2- + D-ribose 5-phosphate
Mg-AMP2- + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
Mn-ATP2- + D-ribose 5-phosphate
Mn-AMP2- + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
ribose-5-phosphate + ATP
phosphoribosyldiphosphate + AMP
show the reaction diagram
first step in purine metabolic pathway
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?
UTP + D-ribose 5-phosphate
UMP + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
additional information
?
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NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
ATP + D-ribose 5-phosphate
AMP + 5-phospho-alpha-D-ribose 1-diphosphate
show the reaction diagram
D-ribose 5-phosphate + ATP
5-phospho-alpha-D-ribose 1-diphosphate + AMP
show the reaction diagram
P60891
biosynthesis of purines and pyrimidines
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?
D-ribose 5-phosphate + ATP
phosphoribosyldiphosphate + AMP
show the reaction diagram
ribose-5-phosphate + ATP
phosphoribosyldiphosphate + AMP
show the reaction diagram
P60891
first step in purine metabolic pathway
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?
additional information
?
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P60891
the phosphoribosyl pyrophosphate synthetase enzyme critical for nucleotide biosynthesis
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COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
ATP
the AMP moiety of ATP binds at the ATP-binding site, structure, overview. A Cd2+ ion binds at the active site and in a position to interact with the beta- and gamma -phosphates of ATP
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Cu2+
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activity is 5-10% of the activity with Mg2+
Ni2+
can serve as substitutes for Mg2+ with relatively lower activity
additional information
INHIBITORS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1,2,3-trihydroxy-4-cyclopentanemethanol-6-phosphate
1,4,5-trihydroxy-3-cyclopent-2-enemethanol-6-phosphate
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2',3'-dideoxy-2',3'-didehydro-adenosine-5'-monophosphate
2,3-diphosphoglycerate
2-deoxy-D-ribose 5-phosphate
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92% inhibition at 1 mM
5-phospho-alpha-D-ribose 1-diphosphate
9-(2-phosphonylmethoxyethoxy)adenine
9-(2-phosphonylmethoxyethyl)adenine
adenosine
adenosine 5'-(beta,gamma-imido)-triphosphate
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inhibition at 1 mM
allopurinol ribonucleotides
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23% inhibition at 1 mM
alpha,beta-methylene ATP
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alpha,beta-methyleneATP
D-fructose 1,6-diphosphate
D-Fructose 1-phosphate
D-ribose 1-phosphate
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13% inhibition at 1 mM
D-ribose 5-phosphate
dATP
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inhibition at 1 mM
diadenosine pentaphosphate
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Inhibits the dephosphorylation of ATP and ADP by nonspecific phosphatases.
DL-1,4-Anhydroribitol 5-phosphate
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competitive inhibition to D-ribose-5-phosphate
FAD
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51% inhibition at 1 mM
glyceraldehyde 3-phosphate
GSH
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marked inhibition of enzyme in crude extract at 1 mM
guanosine
IMP
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21% inhibition at 1 mM
L-histidine
L-tryptophan
Mn2+
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complete inhibition above 0.4 mM
NAD+
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100% inhibition at 1 mM
NADH
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72% inhibition at 1 mM
NADPH
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100% inhibition at 1 mM
nucleotides
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phosphate
PRPP synthetase-associated proteins
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SO42-
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1 M, strong inhibition
TTP
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47% inhibition at 1 mM
XDP
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36% inhibition at 1 mM
XTP
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22% inhibition at 1 mM
additional information
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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1-Aminoethylphosphonate
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0.1 M, 13% of the activity with phosphate
arsenate
DTT
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requirement
EDTA
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prevents inhibition by traces of cations
phosphate
SO42-
sulfate
additional information
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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1.29 - 3.571
(R)9-(2-phosphonylmethoxypropyl)adenine
1.14 - 1.923
(R)9-(3-fluoro-2-phosphonylmethoxypropyl)adenine
1.54 - 2.174
(S)9-(2-phosphonylmethoxypropyl)adenine
0.575 - 3.636
(S)9-(3-fluoro-2-phosphonylmethoxypropyl)adenine
0.317 - 0.377
2',3'-dideoxy-2',3'-didehydro-adenosine-5'-monophosphate
0.0289 - 0.0418
5-phospho-alpha-D-ribose 1-diphosphate
0.29
5-phospho-D-ribose diphosphate
0.308 - 0.789
9-(2-phosphonylmethoxyethoxy)adenine
0.656 - 1.47
9-(2-phosphonylmethoxyethyl)adenine
0.117 - 0.4
AMP
0.007 - 2.6
ATP
0.116
CTP
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pH 7.6, 37C, isoenzyme 3
0.0082 - 2.8
D-ribose 5-phosphate
0.233
dATP
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pH 7.6, 37C, isoenzyme 3
0.65
GTP
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pH 7.6, 37C, isoenzyme 3
0.0002 - 1.5
Mg2+
0.014 - 2.9
MgATP2-
0.06 - 0.35
MnATP2-
0.008 - 40
phosphate
0.033
ribose 5-phosphate
0.137
UTP
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pH 7.6, 37C, isoenzyme 3
additional information
additional information
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increasing phosphate concentrations, increases Km values for ATP and D-ribose-5-phosphate
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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.66
ATP
Mycobacterium tuberculosis
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in 50 mM Tris-HCl pH 8.0, at 25C
35.1 - 60.68
D-ribose 5-phosphate
34.6 - 44.3
Mg-ATP2-
45.1 - 46.3
Mn-ATP2-
kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
26
ATP
Mycobacterium tuberculosis
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in 50 mM Tris-HCl pH 8.0, at 25C
4
59 - 7430
D-ribose 5-phosphate
183
Ki VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.41 - 0.55
2',3'-dideoxy-2',3'-didehydro-adenosine-5'-monophosphate
0.03 - 2.2
5-phospho-alpha-D-ribose 1-diphosphate
1.4
9-(2-phosphonylmethoxyethoxy)adenine
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pH 8.0, 37C
0.37 - 1.9
9-(2-phosphonylmethoxyethyl)adenine
0.01 - 1.22
ADP
0.85
alpha,beta-methylene ATP
pH and temperature not specified in the publication
0.03
alpha,beta-methyleneATP
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pH and temperature conditions not mentioned
0.01 - 5.6
AMP
0.167 - 1.089
ATP
0.032 - 0.11
Ca2+
0.211 - 1.18
D-ribose 5-phosphate
10
DL-1,4-Anhydroribitol 5-phosphate
-
pH and temperature conditions not mentioned
0.02
Mn2+