Reference: Omi R, et al. (2004) Expression, purification and preliminary X-ray characterization of histidinol phosphate phosphatase. Acta Crystallogr D Biol Crystallogr 60(Pt 3):574-6

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Abstract


Histidinol phosphate phosphatase (HisPPase) catalyzes the eighth step of histidine biosynthesis, in which L-histidinol phosphate undergoes dephosphorylation to give histidinol. A recombinant form of the histidinol phosphate phosphatase from Thermus thermophilus HB8 has been expressed in Escherichia coli, purified and crystallized in two crystal forms by the hanging-drop vapour-diffusion technique. Crystal form I belongs to the orthorhombic space group P2(1)2(1)2, with unit-cell parameters a = 84.8, b = 97.2, c = 74.9 A, and crystal form II belongs to the orthorhombic space group C222(1), with unit-cell parameters a = 76.9, b = 157.6, c = 116.7 A. The crystals probably contain two monomers in the asymmetric unit, with V(M) values of 2.57 A(3) Da(-1) for form I and 2.96 A(3) Da(-1) for form II. X-ray data have been collected to 1.70 and 1.75 A resolution for crystal forms I and II, respectively.

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Journal Article | Research Support, Non-U.S. Gov't
Authors
Omi R, Goto M, Nakagawa N, Miyahara I, Hirotsu K
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