HEADSC 1o56 SEQCRD A A DA A 1 1 C C 0 SEQCRD A A DA --- 2 - - - 0 SEQCRD A A DA --- 3 - - - 0 SEQCRD B A DA A 1 2 C C 0 SEQCRD B A DA --- 2 - - - 0 SEQCRD B A DA --- 3 - - - 0 PARAME method XRAY PARAME resolution 0.900 PARAME R-factor 0.109 PARAME FreeR-factor NA