HEADSC 2nav SEQCRD A H HIS HIS 1 1 C C 0 SEQCRD A G GLY GLY 2 2 C C 0 SEQCRD A E GLU GLU 3 3 C C 0 SEQCRD A G GLY GLY 4 4 C C 0 SEQCRD A T THR THR 5 5 C C 0 SEQCRD A F PHE PHE 6 6 C C 0 SEQCRD A T THR THR 7 7 C C 0 SEQCRD A S SER SER 8 8 C C 0 SEQCRD A D ASP ASP 9 9 H H 0 SEQCRD A C CYS CYS 10 10 H H 0 SEQCRD A S SER SER 11 11 H H 0 SEQCRD A K LYS LYS 12 12 H H 0 SEQCRD A Q GLN GLN 13 13 H H 0 SEQCRD A C CYS CYS 14 14 H H 0 SEQCRD A E GLU GLU 15 15 H H 0 SEQCRD A E GLU GLU 16 16 H H 0 SEQCRD A G GLY GLY 17 17 H H 0 SEQCRD A I ILE ILE 18 18 C C 0 SEQCRD A G GLY GLY 19 19 C C 0 SEQCRD A H HIS HIS 20 20 C C 0 SEQCRD A K LYS LYS 21 21 C C 0 SEQCRD A Y TYR TYR 22 22 C C 0 SEQCRD A P PRO PRO 23 23 C C 0 SEQCRD A F PHE PHE 24 24 C C 0 SEQCRD A C CYS CYS 25 25 C C 0 SEQCRD A H HIS HIS 26 26 C C 0 SEQCRD A C CYS CYS 27 27 C C 0 SEQCRD A R ARG ARG 28 28 C C 0 SEQCRD A X NH2 ARG 29 28 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA