Abstract
This report is the first crystallographic study of an amylase from an organism that is both thermophilic and halophilic. alpha-Amylase from the thermophilic halophile Halothermothrix orenii (AmyA) is a 515-residue protein. It is stable and significantly active at 338 K in starch solution containing NaCl [up to 25%(w/v)]. Purified recombinant AmyA protein crystallizes in the orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a = 55.126, b = 61.658, c = 147.625 A, using the hanging-drop vapour-diffusion method. The crystal diffracts X-rays to a resolution limit of 1.89 A.
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Schedule a callMore From: Acta crystallographica. Section D, Biological crystallography
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