HEADSC 2n9m SEQCRD A V VAL VAL 1 1 C C 0 SEQCRD A A ALA ALA 2 2 C C 0 SEQCRD A R ARG ARG 3 3 H H 0 SEQCRD A G GLY GLY 4 4 H H 0 SEQCRD A W TRP TRP 5 5 H H 0 SEQCRD A K LYS LYS 6 6 H H 0 SEQCRD A R ARG ARG 7 7 H H 0 SEQCRD A K LYS LYS 8 8 H H 0 SEQCRD A C CYS CYS 9 9 H H 0 SEQCRD A P PRO PRO 10 10 H H 0 SEQCRD A L LEU LEU 11 11 H H 0 SEQCRD A F PHE PHE 12 12 H H 0 SEQCRD A G GLY GLY 13 13 H H 0 SEQCRD A K LYS LYS 14 14 C C 0 SEQCRD A G GLY GLY 15 15 C C 0 SEQCRD A G GLY GLY 16 16 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA