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Figure 3
Selected active-site details. Putative hydrogen-bonding interactions (green dashed lines) between papain (sticks coloured C black, O red, N blue, S yellow) and the peptide fragments derived from TbICP (sticks coloured C orange, O red, N blue) are depicted. The OD1, OD2 and OD3 atoms associated with the sulfonic acid group of Cys25 are labelled 1, 2 and 3, respectively; water molecules are shown as red spheres and labelled W.

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 62| Part 6| May 2006| Pages 504-508
doi:10.1107/S1744309106014849
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