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Figure 3
Right: a ribbon diagram of the beef liver catalase subunit is shown in red, with the bound heme and NADP in white. The central β arrangement surrounded by clusters of α-helices is evident. Left: four identical subunits are arranged with 222 symmetry to create the catalase tetramer of Mr = 260 kDa.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
Volume 55| Part 8| August 1999| Pages 1383-1394
doi:10.1107/S0907444999007052
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