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Figure 2
A schematic drawing of the diol dehydratase–adeninylpentylcobalamin complex showing αβγ hetero-trimer. Colours ranging from crimson to grey are used for the α subunit, from khaki to cyan for the β subunit, and from cyan to violet for the γ subunit. Cyanocobalamin is located in the interface between α and β subunits. The blue ball indicates an essential potassium ion. The substrate, propanediol, is found to be coordinated to the potassium ion. The colour key for each subunit is shown.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 8| Part 6| October 2001| Pages 1182-1185
doi:10.1107/S0909049501015606
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