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Figure 4
Interactions of the active-site arginine with ligands and neighbouring residues: (a) Arg166 in ECAP, (b) Arg166 in PLAP and (c) Arg162 in SAP (PDB code 1k7h), showing the extensive hydrogen-bonding network that holds SAP Arg162 in a non-coordinated conformation.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 60| Part 9| September 2004| Pages 1555-1561
https://doi.org/10.1107/S0907444904015628
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