HEADSC 2n9q SEQCRD A G DG DG 1 1 C C 0 SEQCRD A G DG DG 2 2 C C 0 SEQCRD A X AZW AZW 3 3 C C 0 SEQCRD A G DG DG 4 4 C C 0 SEQCRD A G DG DG 5 5 C C 0 SEQCRD B G DG DG 1 1 C C 0 SEQCRD B G DG DG 2 2 C C 0 SEQCRD B X AZW AZW 3 3 C C 0 SEQCRD B G DG DG 4 4 C C 0 SEQCRD B G DG DG 5 5 C C 0 SEQCRD C G DG DG 1 1 C C 0 SEQCRD C G DG DG 2 2 C C 0 SEQCRD C X AZW AZW 3 3 C C 0 SEQCRD C G DG DG 4 4 C C 0 SEQCRD C G DG DG 5 5 C C 0 SEQCRD D G DG DG 1 1 C C 0 SEQCRD D G DG DG 2 2 C C 0 SEQCRD D X AZW AZW 3 3 C C 0 SEQCRD D G DG DG 4 4 C C 0 SEQCRD D G DG DG 5 5 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA