Enzyme

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     4. Lyases
        4.1 Carbon-carbon lyases
            4.1.1 Carboxy-lyases
ID:4.1.1.21
Description:Phosphoribosylaminoimidazole carboxylase.
Alternative Name: AIR carboxylase.
5-phosphoribosyl-5-aminoimidazole carboxylase.
5-amino-1-ribosylimidazole 5-phosphate carboxylase.
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate carboxy-lyase.
1-(5-phosphoribosyl)-5-amino-4-imidazolecarboxylate carboxy-lyase.
Prosite: PDOC50975;
PDB:
PDBScop
Cath: 3.30.1490.20; 3.30.470.20; 3.40.50.7700; 3.40.50.20;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 4.1.1.21
BRENDA Enzyme Link: BRENDA 4.1.1.21
KEGG Enzyme Link: KEGG4.1.1.21
BioCyc Enzyme Link: BioCyc 4.1.1.21
ExPASy Enzyme Link: ExPASy4.1.1.21
EC2PDB Enzyme Link: EC2PDB 4.1.1.21
ExplorEnz Enzyme Link: ExplorEnz 4.1.1.21
PRIAM enzyme-specific profiles Link: PRIAM 4.1.1.21
IntEnz Enzyme Link: IntEnz 4.1.1.21
MEDLINE Enzyme Link: MEDLINE 4.1.1.21
MSA:

4.1.1.21;

Phylogenetic Tree:

4.1.1.21;

Uniprot:
M-CSA:
RHEA:10792 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + H(+) = 5-amino-1-(5-phospho-D-ribosyl)imidazole + CO2
RULE(radius=1) [*:1]=[C;H0;+0:2](-[OH;+0:3])-[c;H0;+0:4](:[*:5]):[*:6].[H+;H0:7]>>[*:5]:[cH;+0:4]:[*:6].[*:1]=[C;H0;+0:2]=[O;H0;+0:3]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Treponema denticola PurE Is a bacterial AIR carboxylase.Tranchimand S, Starks CM, Mathews II, Hockings SC, Kappock TJ2011 May 3121548610
Biochemical role of the Cryptococcus neoformans ADE2 protein in fungal de novo purine biosynthesis.Firestine SM, Misialek S, Toffaletti DL, Klem TJ, Perfect JR, Davisson VJ1998 Mar 19500840
Reactions catalyzed by 5-aminoimidazole ribonucleotide carboxylases from Escherichia coli and Gallus gallus: a case for divergent catalytic mechanisms.Firestine SM, Poon SW, Mueller EJ, Stubbe J, Davisson VJ1994 Oct 47918411
Octameric structure of the human bifunctional enzyme PAICS in purine biosynthesis.Li SX, Tong YP, Xie XC, Wang QH, Zhou HN, Han Y, Zhang ZY, Gao W, Li SG, Zhang XC, Bi RC2007 Mar 917224163