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Preliminary crystallographic analysis of 4-oxalocrotonate tautomerase reveals the oligomeric structure of the enzyme.
Umeå University, Faculty of Science and Technology, Department of Molecular Biology (Faculty of Science and Technology).ORCID iD: 0000-0002-7349-1678
1994 (English)In: Journal of Molecular Biology, ISSN 0022-2836, E-ISSN 1089-8638, Vol. 243, no 4Article in journal (Refereed) Published
Abstract [en]

Crystals of recombinant 4-oxalocrotonate tautomerase from Pseudomonas sp. strain CF600 have been obtained in a form suitable for X-ray analysis. The enzyme is a highly efficient catalyst and is unusual in that it consists of subunits of only 62 amino acids. It crystallises in the triclinic space group, P1, with unit cell dimensions a = 39.6 A, b = 51.5 A, c = 51.6 A, alpha = 60.0 degrees, beta = 81.4 degrees, gamma = 69.6 degrees. The crystals diffract to beyond 1.9 A resolution and are stable to irradiation with X-rays. Preliminary crystallographic data are not consistent with the previously suggested pentameric structure, but indicate that the complex is in fact a hexamer with 32 symmetry.

Place, publisher, year, edition, pages
1994. Vol. 243, no 4
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:umu:diva-112339PubMedID: 7966298OAI: oai:DiVA.org:umu-112339DiVA: diva2:877229
Available from: 2015-12-06 Created: 2015-12-06 Last updated: 2015-12-06

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