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Ligand 1-(5-phospho-beta-D-ribosyl)-5-[(5-phospho-beta-D-ribosylamino)methylideneamino]imidazole-4-carboxamide

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Basic Ligand Information

Molecular Structure
Picture of 1-(5-phospho-beta-D-ribosyl)-5-[(5-phospho-beta-D-ribosylamino)methylideneamino]imidazole-4-carboxamide (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C15H25N5O15P2
1-(5-phospho-beta-D-ribosyl)-5-[(5-phospho-beta-D-ribosylamino)methylideneamino]imidazole-4-carboxamide
QOUSHGMTBIIAHR-KEOHHSTQSA-N
Synonyms:
1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide, 5-(5-phospho-D-ribosylaminoformimino)-1-(5-phosphoribosyl)-imidazole-4-carboxamide, 5-(5-phospho-D-ribosylaminoformimino)-1-(5-phosphoribosyl) imidazole-4-carboxamide, 5-(5-phospho-D-ribosylaminoformimino)-1-(5-phosphoribosyl)imidazole-4-carboxamide, N'-[(5'-phosphoribosyl)formimino]-5-aminoimidazole-4-carboxamide ribonucleotide, N'-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamide-ribonucleotide, N-(5'-phospho-D-ribosylformimino)-5-amino-1-(5''-phospho-D-ribosyl)-4-imidazolecarboxamide, phosphoribosyl-formimino-AICAR-P, phosphoribosyl-formimino-AICAR-phosphate


Show all pahtways known for Show all BRENDA pathways known for 1-(5-phospho-beta-D-ribosyl)-5-[(5-phospho-beta-D-ribosylamino)methylideneamino]imidazole-4-carboxamide

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (15 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE

In Vivo Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
1-(5-phosphoribosyl)-AMP + H2O = 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (25 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE

Product in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE

Activator in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
binding of the allosteric effector ligand stimulates millisecond timescale motions in the enzyme that enhance its catalytic function. The flexibility of the apo enzyme is nearly identical to that of its N'-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamide-ribonucleotide activated state at 70°C, whereas conformational motions are considerably different between the two forms of the enzyme at room temperature. Allosteric activation by N'-[(5'-phosphoribulosyl)formimino]-5-aminoimidazole-4-carboxamide-ribonucleotide decreases to 65fold at 70°C, compared to 4200fold at 30°C

3D Structure of Enzyme-Ligand-Complex (PDB) (52 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (12 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE

KM Value (8 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE

References & Links

Links to other databases for 1-(5-phospho-beta-D-ribosyl)-5-[(5-phospho-beta-D-ribosylamino)methylideneamino]imidazole-4-carboxamide

ChEBI
PubChem
ChEBI
PubChem