6-Aminohexanoate-cyclic-dimer hydrolase (EI) from Arthrobacter sp. KI72 was expressed in Escherichia coli and purified by anion-exchange chromatography. EI was crystallized by the sitting-drop vapour-diffusion method with sodium citrate as precipitant in imidazole buffer pH 8.0. The crystal is hexagonal, with unit-cell parameters a = b = 130.75, c = 58.23 A. Diffraction data were collected from native and mercury(II) dichloride-derivative crystals to resolutions of 1.90 and 2.06 A, respectively.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2225356 | PMC |
| http://dx.doi.org/10.1107/S1744309106045076 | DOI Listing |
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