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Expression, purification, crystallization and preliminary X-ray diffraction analysis of a mammalian type 10 adenylyl cyclase.
Kleinboelting, Silke Kambach, Christian Weyand, Michael Leipelt, Martina Steegborn, Clemens
Kleinboelting, Silke
Kambach, Christian
Weyand, Michael
Leipelt, Martina
Steegborn, Clemens
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2014-04
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Abstract
The second messenger cAMP is synthesized in mammals by ten differently regulated adenylyl cyclases (AC1-10). These ACs are grouped into nucleotidyl cyclase class III based on homologies in their catalytic domains. The catalytic domain of AC10 is unique, however, in being activated through direct interaction with calcium and bicarbonate. Here, the production, crystallization and X-ray diffraction analysis of the catalytic domain of human AC10 are described as a basis for structural studies of regulator binding sites and mechanisms. The recombinant protein had high specific AC activity, and crystals of AC10 in space group P63 diffracted to ∼2.0 Å resolution on a synchrotron beamline. A complete diffraction data set revealed unit-cell parameters a = b = 99.65, c = 98.04 Å, indicating one AC10 catalytic domain per asymmetric unit, and confirmed that the obtained crystals are suitable for structure solution and mechanistic studies.
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Expression, purification, crystallization and preliminary X-ray diffraction analysis of a mammalian type 10 adenylyl cyclase. 2014, 70 (Pt 4):467-9 Acta Crystallogr F Struct Biol Commun
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en
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2053-230X
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Archived with thanks to Acta crystallographica. Section F, Structural biology communications