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Information on EC 2.4.2.8 - hypoxanthine phosphoribosyltransferase and Organism(s) Leishmania tarentolae and UniProt Accession Q9NJI5

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EC Tree
     2 Transferases
         2.4 Glycosyltransferases
             2.4.2 Pentosyltransferases
                2.4.2.8 hypoxanthine phosphoribosyltransferase
IUBMB Comments
Guanine and purine-6-thiol can replace hypoxanthine.
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This record set is specific for:
Leishmania tarentolae
UNIPROT: Q9NJI5
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Word Map
The taxonomic range for the selected organisms is: Leishmania tarentolae
The enzyme appears in selected viruses and cellular organisms
Synonyms
hprt, hgprt, hypoxanthine-guanine phosphoribosyltransferase, hprt1, hypoxanthine phosphoribosyltransferase, hypoxanthine-guanine phosphoribosyl transferase, hypoxanthine phosphoribosyl transferase, hypoxanthine guanine phosphoribosyltransferase, hgprtase, guanine phosphoribosyltransferase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
6-hydroxypurine phosphoribosyltransferase
-
-
-
-
6-mercaptopurine phosphoribosyltransferase
-
-
-
-
GMP pyrophosphorylase
-
-
-
-
guanine phosphoribosyltransferase
-
-
-
-
guanine-hypoxanthine phosphoribosyltransferase
-
-
-
-
guanosine 5'-phosphate pyrophosphorylase
-
-
-
-
guanosine phosphoribosyltransferase
-
-
-
-
guanylate pyrophosphorylase
-
-
-
-
guanylic pyrophosphorylase
-
-
-
-
HGPRT
-
-
-
-
HGPRTase
-
-
-
-
hypoxanthine-guanine phosphoribosyltransferase
-
-
-
-
IMP pyrophosphorylase
-
-
-
-
IMP-GMP pyrophosphorylase
-
-
-
-
inosinate pyrophosphorylase
-
-
-
-
inosine 5'-phosphate pyrophosphorylase
-
-
-
-
inosinic acid pyrophosphorylase
-
-
-
-
inosinic pyrophosphorylase
-
-
-
-
phosphoribosyltransferase, 6-mercaptopurine
-
-
-
-
phosphoribosyltransferase, hypoxanthine
-
-
-
-
purine-6-thiol phosphoribosyltransferase
-
-
-
-
transphosphoribosidase
-
-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
pentosyl group transfer
-
-
-
-
SYSTEMATIC NAME
IUBMB Comments
IMP:diphosphate phospho-D-ribosyltransferase
Guanine and purine-6-thiol can replace hypoxanthine.
CAS REGISTRY NUMBER
COMMENTARY hide
9016-12-0
-
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
guanine + 5-phospho-alpha-D-ribose 1-diphosphate
GMP + diphosphate
show the reaction diagram
-
-
?
hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate
IMP + diphosphate
show the reaction diagram
-
-
?
additional information
?
-
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
additional information
?
-
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.127 - 0.138
5-phosphoribosyl 1-diphosphate
0.0028
guanine
recombinant enzyme, with 5-phospho-alpha-D-ribose 1-diphosphate
0.0044
hypoxanthine
recombinant enzyme, with 5-phospho-alpha-D-ribose 1-diphosphate
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
gene hgprt
SwissProt
Manually annotated by BRENDA team
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
Q9NJI5_LEITA
210
0
23397
TrEMBL
other Location (Reliability: 5)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
23000
2 * 23000, recombinant enzyme, SDS-PAGE
50000
recombinant enzyme, gel filtration
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
dimer
2 * 23000, recombinant enzyme, SDS-PAGE
CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
recombinant enzyme, 7 mg/ml, hanging-drop vapour-diffusion method, TMD buffer, pH 7.5, + equal volume of reservoir solution: 18°C or 4°C, pH 5.6 , 19% isopropanol, 19% polyethylene glycol 4000, 5% glycerol, or 17% polyethylene glycol 4000, 5% glycerol
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
recombinant from Escherichia coli
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
DNA and amino acid sequence determination and analysis, functional expression in Escherichia coli BL21(DE3)
APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
medicine
potential target for antiparasitic chemotherapy
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Monzani, P.S.; Alfonzo, J.D.; Simpson, L.; Oliva, G.; Thiemann, O.H.
Cloning, characterization and preliminary crystallographic analysis of Leishmania hypoxanthine-guanine phosphoribosyltransferase
Biochim. Biophys. Acta
1598
3-9
2002
Leishmania tarentolae (Q9NJI5), Leishmania tarentolae
Manually annotated by BRENDA team