Common Name5-amino-1-(5-phospho-d-ribosyl)imidazole-4-carboxylate
DescriptionN5-carboxyaminoimidazole ribonucleotide is a member of the chemical class known as 1-Phosphoribosyl-imidazoles. These are organic compounds containing the imidazole ring linked to a ribose phosphate through a 1-2 bond. The carbamic acid, N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) is an intermediate in purine biosynthesis in E. coli. (PMID 7918411 ) Formation of 4-carboxy-5-aminoimidazole ribonucleotide (CAIR) in the purine pathway in most prokaryotes requires ATP, HCO3-, aminoimidazole ribonucleotide (AIR), and the gene products PurK and PurE. PurK catalyzes the conversion of AIR to N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) in a reaction that requires both ATP and HCO3-. PurE catalyzes the unusual rearrangement of N5-CAIR to CAIR.
Structure
Molecular FormulaC9H14N3O9P
Average Mass339.19590
Monoisotopic Mass339.04677
IUPAC Name5-amino-1-{3,4-dihydroxy-5-[(phosphonooxy)methyl]oxolan-2-yl}-1H-imidazole-4-carboxylate
Traditional Name5-amino-1-{3,4-dihydroxy-5-[(phosphonooxy)methyl]oxolan-2-yl}imidazole-4-carboxylate
CAS Registry NumberNot Available
SMILESNc1c(C(=O)[O-])[nH+]cn1[C@@H]1O[C@H](COP(=O)([O-])[O-])[C@@H](O)[C@H]1O
InChI IdentifierInChI=1S/C9H14N3O9P/c13-6-4(2-20-22(17,18)19)21-8(7(6)14)12-3-10-1-5(12)11-9(15)16/h1,3-4,6-8,11,13-14H,2H2,(H,15,16)(H2,17,18,19)
InChI KeyJHLXDWGVSYMXPL-UHFFFAOYSA-N
CHEBI IDCHEBI:77657
HMDB IDHMDB12268
StateNot Available
Water Solubility3.70e+00 g/l
logP-1.96
logS-1.98
pKa (Strongest Acidic)Not Available
pKa (Strongest Basic)Not Available
Hydrogen Acceptor Count10
Hydrogen Donor Count5
Polar Surface Area200.42 Ų
Rotatable Bond Count5
Physiological ChargeNot Available
Formal Charge-1
Refractivity78.16 m³·mol⁻¹
Polarizability27.83

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