loop_ _rcsb_nmr_software.ordinal _rcsb_nmr_software.name _rcsb_nmr_software.authors _rcsb_nmr_software.version _rcsb_nmr_software.classification 1 UXNMR Bruker 940501.3 'collection' 2 FELIX Hare 1.1 'processing' 3 ANSIG Kraulis 3.0 'data analysis' 4 X-PLOR Brunger 3.8 'structure calculation' 5 X-PLOR Brunger 3.8 'refinement'