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  • Title: Low resolution crystal structure of muconolactone isomerase. A decamer with a 5-fold symmetry axis.
    Author: Katz BA, Ollis D, Wyckoff HW.
    Journal: J Mol Biol; 1985 Jul 20; 184(2):311-7. PubMed ID: 4032480.
    Abstract:
    Muconolactone isomerase from Pseudomonas putida crystallizes from sodium sulfate solution in space group P2(1) (a = 65.84 A, b = 105.70 A, c = 77.20 A, beta = 90.5 degrees) with ten 11,000 Mr subunits per asymmetric unit. The 7 A resolution crystal structure was solved by single isomorphous replacement followed by 10-fold symmetry averaging. The decameric enzyme has an uncommon non-crystallographic 5-fold symmetry axis and a large cavity in its center.
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