HEADSC 1nix SEQCRD A E GLU GLU 1 1 T T 0 SEQCRD A C CYS CYS 2 2 T T 0 SEQCRD A K LYS LYS 3 3 T T 0 SEQCRD A G GLY GLY 4 4 T T 0 SEQCRD A F PHE PHE 5 5 T T 0 SEQCRD A G GLY GLY 6 6 T T 0 SEQCRD A K LYS LYS 7 7 T T 0 SEQCRD A S SER SER 8 8 T T 0 SEQCRD A C CYS CYS 9 9 T T 0 SEQCRD A V VAL VAL 10 10 T T 0 SEQCRD A P PRO PRO 11 11 T T 0 SEQCRD A G GLY GLY 12 12 T T 0 SEQCRD A K LYS LYS 13 13 T T 0 SEQCRD A N ASN ASN 14 14 T T 0 SEQCRD A E GLU GLU 15 15 T T 0 SEQCRD A C CYS CYS 16 16 T T 0 SEQCRD A C CYS CYS 17 17 T T 0 SEQCRD A S SER SER 18 18 T T 0 SEQCRD A G GLY GLY 19 19 T T 0 SEQCRD A Y TYR TYR 20 20 T T 0 SEQCRD A A ALA ALA 21 21 T T 0 SEQCRD A C CYS CYS 22 22 T T 0 SEQCRD A N ASN ASN 23 23 T T 0 SEQCRD A S SER SER 24 24 T T 0 SEQCRD A R ARG ARG 25 25 T T 0 SEQCRD A D ASP ASP 26 26 T T 0 SEQCRD A K LYS LYS 27 27 T T 0 SEQCRD A W TRP TRP 28 28 E E 0 SEQCRD A C CYS CYS 29 29 E E 0 SEQCRD A K LYS LYS 30 30 E E 0 SEQCRD A V VAL VAL 31 31 E E 0 SEQCRD A L LEU LEU 32 32 C C 0 SEQCRD A L LEU LEU 33 33 C C 0 SEQCRD A X NH2 NH2 34 34 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA