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Information on EC 6.3.2.6 - phosphoribosylaminoimidazolesuccinocarboxamide synthase
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6.3.2.6 phosphoribosylaminoimidazolesuccinocarboxamide synthaseIUBMB Comments
Forms part of the purine biosynthesis pathway.
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Word Map
The enzyme appears in viruses and cellular organisms
Reaction Schemes
Synonyms
saicar synthetase, saicar synthase, phosphoribosylaminoimidazole succinocarboxamide synthetase, airc-saicars, phosphoribosylaminoimidazole-succinocarboxamide synthase, phosphoribosylaminoimidazolesuccinocarboxamide synthetase, sppurc, bapurc, phosphoribosylaminoimidazolesuccinocarboxamide synthase, phosphoribosylaminoimidazole-succinocarboxamide synthetase, 
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SYNONYM 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
4-(N-succino)-5-aminoimidazole-4-carboxamide ribonucleotide synthetase
5-Aminoimidazole-4-N-succinocarboxamide ribonucleotide synthetase
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CCM_04437
MjSS
N-(5-Amino-1-ribosyl-4-imidazolylcarbonyl)-L-aspartic acid 5´-phosphate synthetase
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PAICS
PH0239
PH0239 protein
phosphoribosylaminoimidazole succinocarboxamide synthetase
phosphoribosylaminoimidazole-succinocarboxamide synthase
phosphoribosylaminoimidazole-succinocarboxamide synthetase
Phosphoribosylaminoimidazolesuccinocarboxamide synthetase
PhSS
PurC
SAICAR synthase
SAICAR synthetase
spPurC
Succino-AICAR synthetase
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Synthetase, phosphoribosylaminoimidazolesuccinocarboxamide
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VEG286A
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Vegetative protein 286A
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additional information
4-(N-succino)-5-aminoimidazole-4-carboxamide ribonucleotide synthetase
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4-(N-succino)-5-aminoimidazole-4-carboxamide ribonucleotide synthetase
-
4-(N-succino)-5-aminoimidazole-4-carboxamide ribonucleotide synthetase
Streptococcus pneumoniae ATCC BAA-334 / TIGR4
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PAICS
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bifunctional enzyme with both 5-aminoimidazole ribonucleotide carboxylase (AIRc) and 4-(N-succinylcarboxamide)5-aminoimidazole ribonucleotide synthetase (SAICARs) activities
phosphoribosylaminoimidazole succinocarboxamide synthetase
-
bifunctional enzyme with both 5-aminoimidazole ribonucleotide carboxylase (AIRc) and 4-(N-succinylcarboxamide)-5-aminoimidazole ribonucleotide synthetase (SAICARs) activities
Phosphoribosylaminoimidazolesuccinocarboxamide synthetase
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SAICAR synthetase
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additional information
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the enzyme is a member of the ATP-grasp superfamily
additional information
the enzyme is a member of the ATP-grasp superfamily
additional information
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the enzyme is a member of the ATP-grasp superfamily
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REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT
LITERATURE
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate = ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
carboxamide formation
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carboxylic acid amide formation
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PATHWAY SOURCE
PATHWAYS
BRENDA
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SYSTEMATIC NAME
IUBMB Comments
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate:L-aspartate ligase (ADP-forming)
Forms part of the purine biosynthesis pathway.
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CAS REGISTRY NUMBER
COMMENTARY
9023-67-0
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SUBSTRATE
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
?
-
catalyzes the aspartate addition at the alpha-amino group to the growing purine backbone
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-
?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
?
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one of the enzymes of the series involved in the biosynthesis of the purine nucleotides de novo
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?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
?
-
one of the enzymes of the series involved in the biosynthesis of the purine nucleotides de novo
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-
?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
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-
-
?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
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-
-
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?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
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rapid equilibrium random ter-ter mechanism
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?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
-
-
-
-
?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
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r
-
?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
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in the reverse reaction phosphate can be replaced by arsenate
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?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
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in the reverse reaction ADP cannot be replaced by any of the other nucleoside diphosphates
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?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
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-
-
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?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
Pigeon
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-
-
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?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
-
-
-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
bifunctional enzyme having also 5-aminoimidazole ribonucleotide carboxylase, i.e. AIRc, activity
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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-
-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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seventh of ten steps in the purine biosynthesis, ligation of the carboxylate group of CAIR to the amino group of aspartate, pathway overview
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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ligation of the carboxylate group of CAIR to the amino group of aspartate
i.e. N-succinocarboxamide-5-aminoimidazole ribonucleotide or SAICAR
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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ATP in form of MgATP2-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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i.e. N-succinocarboxamide-5-aminoimidazole ribonucleotide or SAICAR
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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phosphoribosylaminoimidazole succinocarboxamide synthetase (PAICS) is an important bifunctional enzyme in de novo purine biosynthesis in vertebrate with both 5-aminoimidazole ribonucleotide carboxylase (AIRc) and 4-(N-succinylcarboxamide)-5-aminoimidazole ribonucleotide synthetase (SAICARs) activities
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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PurCE performs the sixth and seventh of ten steps in the purine biosynthesis, pathway overview
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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i.e. N-succinocarboxamide-5-aminoimidazole ribonucleotide or SAICAR
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
seventh of ten steps in the purine biosynthesis, pathway overview
-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
Streptococcus pneumoniae ATCC BAA-334 / TIGR4
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
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i.e. N-succinocarboxamide-5-aminoimidazole ribonucleotide or SAICAR
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
seventh of ten steps in the purine biosynthesis, pathway overview
-
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?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
?
additional information
?
-
usage of the malachite green assay screening method for detection of inhibitors of SAICAR synthetase (PurC). A gradual increase in inaorganic phosphate occurs in positive control samples over the course of the day. Further investigation indicates that hydrolysis of ATP catalyzed by PurC, rather than substrate-related phosphate release, is responsible for a partial contribution to the signals in the control samples. Thus substrate-independent ATPase activity may complicate high throughput screening
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additional information
?
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in lower organisms PurC and PurE are not fused as in higher organisms, active site structure, overview
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?
additional information
?
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in higher organisms PurC and PurE are fused to form a bifunctional enzyme, overview, active site structure, overview
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?
additional information
?
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in lower organisms PurC and PurE are not fused as in higher organisms, active site structure, overview
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-
?
additional information
?
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in lower organisms PurC and PurE are not fused as in higher organisms, active site structure, overview
-
-
?
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NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
?
-
catalyzes the aspartate addition at the alpha-amino group to the growing purine backbone
-
-
?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
?
-
one of the enzymes of the series involved in the biosynthesis of the purine nucleotides de novo
-
-
?
ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
?
-
one of the enzymes of the series involved in the biosynthesis of the purine nucleotides de novo
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
seventh of ten steps in the purine biosynthesis, ligation of the carboxylate group of CAIR to the amino group of aspartate, pathway overview
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
phosphoribosylaminoimidazole succinocarboxamide synthetase (PAICS) is an important bifunctional enzyme in de novo purine biosynthesis in vertebrate with both 5-aminoimidazole ribonucleotide carboxylase (AIRc) and 4-(N-succinylcarboxamide)-5-aminoimidazole ribonucleotide synthetase (SAICARs) activities
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
PurCE performs the sixth and seventh of ten steps in the purine biosynthesis, pathway overview
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
seventh of ten steps in the purine biosynthesis, pathway overview
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
Streptococcus pneumoniae ATCC BAA-334 / TIGR4
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
seventh of ten steps in the purine biosynthesis, pathway overview
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
-
?
ATP + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate
ADP + phosphate + (S)-2-[5-amino1-(5-phospho-D-ribosyl)imidazole-4-carboxamido]succinate
-
-
?
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COFACTOR
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
Mg2+
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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
IMP
-
competitive with respect to 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole
additional information
malachite green assay (MGA) in a high throughput screening (HTS) setup to identify compounds that inhibit the activity of Bacillus anthracis PurC (BaPurC)
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DISEASE
TITLE OF PUBLICATION
LINK TO PUBMED
Adenocarcinoma of Lung
Role and regulation of coordinately expressed de novo purine biosynthetic enzymes PPAT and PAICS in lung cancer.
Carcinogenesis
Knockdown of PAICS inhibits malignant proliferation of human breast cancer cell lines.
Neoplasm Metastasis
PAICS, a Purine Nucleotide Metabolic Enzyme, is Involved in Tumor Growth and the Metastasis of Colorectal Cancer.
Neoplasms
PAICS contributes to gastric carcinogenesis and participates in DNA damage response by interacting with histone deacetylase 1/2.
Prostatic Neoplasms
Expression and Role of PAICS, a De Novo Purine Biosynthetic Gene in Prostate Cancer.
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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
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Ki VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
0.26
adenosine 5'-(beta,gamma-imido)triphosphate
-
37°C, Kis, competitive versus ATP
0.6
adenosine 5'-(beta,gamma-imido)triphosphate
-
37°C, Kii, noncompetitive versus L-Asp
0.6
adenosine 5'-(beta,gamma-imido)triphosphate
-
37°C, Kis, noncompetitive versus 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole
0.7
adenosine 5'-(beta,gamma-imido)triphosphate
-
37°C, Kis, noncompetitive versus L-Asp
4
adenosine 5'-(beta,gamma-imido)triphosphate
-
37°C, Kii, noncompetitive versus 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole
9.1
IMP
-
37°C, Kis, competitive versus 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole
15
Maleate
-
37°C, Kis, competitive versus 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole
40
Maleate
-
37°C, Kii, competitive versus 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole
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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
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TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
25
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ORGANISM
COMMENTARY
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
bifunctional enzyme with phosphoribosylaminoimidazole carboxylase and phosphoribosylaminoimidazole succinocarboxamide synthetase activities
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brenda