HEADSC 2n21 SEQCRD A S SER SER 1 1 C C 0 SEQCRD A M MET MET 2 2 C C 0 SEQCRD A H HIS HIS 3 3 C C 0 SEQCRD A P PRO PRO 4 4 C C 0 SEQCRD A G GLY GLY 5 5 C C 0 SEQCRD A H HIS HIS 6 6 C C 0 SEQCRD A L LEU LEU 7 7 C C 0 SEQCRD A K LYS LYS 8 8 C C 0 SEQCRD A G GLY GLY 9 9 H H 0 SEQCRD A R ARG ARG 10 10 H H 0 SEQCRD A E GLU GLU 11 11 H H 0 SEQCRD A I ILE ILE 12 12 H H 0 SEQCRD A G GLY GLY 13 13 H H 0 SEQCRD A M MET MET 14 14 H H 0 SEQCRD A W TRP TRP 15 15 H H 0 SEQCRD A Y TYR TYR 16 16 H H 0 SEQCRD A A ALA ALA 17 17 H H 0 SEQCRD A K LYS LYS 18 18 C C 0 SEQCRD A K LYS LYS 19 19 C C 0 SEQCRD A Q GLN GLN 20 20 C C 0 SEQCRD B T DT DT 1 1 C C 0 SEQCRD B T DT DT 2 2 C C 0 SEQCRD B G DG DG 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 B T DT DT 6 6 C C 0 SEQCRD B G DG DG 7 7 C C 0 SEQCRD B G DG DG 8 8 C C 0 SEQCRD B G DG DG 9 9 C C 0 SEQCRD B T DT DT 10 10 C C 0 SEQCRD B G DG DG 11 11 C C 0 SEQCRD B G DG DG 12 12 C C 0 SEQCRD B G DG DG 13 13 C C 0 SEQCRD B T DT DT 14 14 C C 0 SEQCRD B G DG DG 15 15 C C 0 SEQCRD B G DG DG 16 16 C C 0 SEQCRD B G DG DG 17 17 C C 0 SEQCRD B T DT DT 18 18 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA