loop_ _pdbx_nmr_software.name _pdbx_nmr_software.authors _pdbx_nmr_software.version _pdbx_nmr_software.classification UXNMR Bruker 940501.3 'collection' FELIX Hare 1.1 'processing' ANSIG Kraulis 3.0 'data analysis' X-PLOR Brunger 3.8 'structure calculation' X-PLOR Brunger 3.8 'refinement'