Chetvertichnaia struktura uridinfosforilazy iz E. coli K-12.

Translated title of the contribution: Quaternary structure of uridine phosphorylase from E. coli K-12

V. L. Tsuprun, I. V. Tagunova, E. V. Lin'kova, A. S. Mironov

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Uridine phosphorylase was isolated from E. coli K-12 cells in a homogeneous state. The molecular mass of the enzyme as determined by gel filtration corresponds, approximately, to a hexamer made up of 27.5 kDa monomers. Evidence for the hexameric structure of uridine phosphorylase was obtained by electron microscopy with numerical treatment of the images. The six monomers within the enzyme molecule are arranged in two layers, three monomers in each, at the apices of a triangular antiprism with a point group symmetry of 32.

Translated title of the contributionQuaternary structure of uridine phosphorylase from E. coli K-12
Original languageRussian
Pages (from-to)930-934
Number of pages5
Issue number5
StatePublished - May 1 1991


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