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Literature summary for 2.1.3.2 extracted from

  • Ruiz-Ramos, A.; Lallous, N.; Grande-Garcia, A.; Ramon-Maiques, S.
    Expression, purification, crystallization and preliminary X-ray diffraction analysis of the aspartate transcarbamoylase domain of human CAD (2013), Acta Crystallogr. Sect. F, 69, 1425-1430.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
recombinant expression of the enzyme as part of the N-terminal His6-tagged maltose-binding fusion protein CAD complex in Escherichia coli strain BL21(DE3) pLysS cells Homo sapiens

Crystallization (Commentary)

Crystallization (Comment) Organism
purified detagged isolated recombinant huATCase, free or in complex with inhibitor N-phosphonoacetyl-L-aspartate, 1.5 mg/ml protein, 0.1 M Tris pH 8.5, 6% PEG 8000, and 9% ethylene glycol is mixed with 0.1 M CAPS pH 10, 150 mM NaCl or 1.5 mg ml1 and 10 mM ZnCl2, 15% PEG 6000, 50 mM sodium acetate pH 4.8, and 0.5 mM inhibitor, X-ray diffraction structure determination and analysis at 2.1 A resolution Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
N-phosphonoacetyl-L-aspartate binding structure, overview Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
34800
-
3 * 34800, detagged isolated recombinant enzyme, SDS-PAGE Homo sapiens
102000
-
detagged isolated recombinant enzyme, gel filtration Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens P27708
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant enzyme from the N-terminal His6-tagged maltose-binding fusion protein CAD complex from Escherichia coli strain BL21(DE3) pLysS cells by ncikel affinity chromatography, ion-exchange chromatography, tag cleavage, and gel filtration. Three extra residues are left at the N-terminus of huATCase (GPM1915SP) after removal of the tag Homo sapiens

Subunits

Subunits Comment Organism
homotrimer 3 * 34800, detagged isolated recombinant enzyme, SDS-PAGE Homo sapiens

Synonyms

Synonyms Comment Organism
aspartate transcarbamoylase
-
Homo sapiens
ATCase
-
Homo sapiens

General Information

General Information Comment Organism
evolution in animals, CPSase, ATCase and DHOase are part of a 243 kDa multifunctional polypeptide named CAD Homo sapiens
physiological function upregulation of CAD, comprising CPSase, ATCase and DHOase activities, is essential for normal and tumour cell proliferation Homo sapiens