Submitted on: 06 January 2001.
Revised on: 24 February 2001.
Accepted on: 06 March 2001.
___________________Acta Crystallographica Section D-Structural Biology
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Submitted on: 30 March 2006.
Revised on: 09 June 2006.
Accepted on: 01 July 2006.
___________________Acta Crystallographica Section D-Structural Biology
Submitted on: 01 July 2020.
Revised on: 18 September 2020.
Accepted on: 17 November 2020.
___________________Acta Crystallographica Section D-Structural Biology
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Submitted on: 21 November 1999.
Revised on: 22 December 1999.
Accepted on: 10 January 2000.
___________________Acta Crystallographica Section D-Structural Biology
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