HEADSC 2n6n SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A Y TYR TYR 2 2 C C 0 SEQCRD A C CYS CYS 3 3 C C 0 SEQCRD A A ALA ALA 4 4 C C 0 SEQCRD A E GLU GLU 5 5 C C 0 SEQCRD A K LYS LYS 6 6 C C 0 SEQCRD A G GLY GLY 7 7 C C 0 SEQCRD A I ILE ILE 8 8 C C 0 SEQCRD A K LYS LYS 9 9 C C 0 SEQCRD A C CYS CYS 10 10 C C 0 SEQCRD A H HIS HIS 11 11 C C 0 SEQCRD A N ASN ASN 12 12 C C 0 SEQCRD A I ILE ILE 13 13 C C 0 SEQCRD A H HIS HIS 14 14 C C 0 SEQCRD A C CYS CYS 15 15 C C 0 SEQCRD A C CYS CYS 16 16 C C 0 SEQCRD A S SER SER 17 17 C C 0 SEQCRD A G GLY GLY 18 18 C C 0 SEQCRD A L LEU LEU 19 19 C C 0 SEQCRD A T THR THR 20 20 E E 0 SEQCRD A C CYS CYS 21 21 E E 0 SEQCRD A K LYS LYS 22 22 E E 0 SEQCRD A C CYS CYS 23 23 C C 0 SEQCRD A K LYS LYS 24 24 C C 0 SEQCRD A G GLY GLY 25 25 C C 0 SEQCRD A S SER SER 26 26 C C 0 SEQCRD A S SER SER 27 27 C C 0 SEQCRD A C CYS CYS 28 28 C C 0 SEQCRD A V VAL VAL 29 29 E E 0 SEQCRD A C CYS CYS 30 30 E E 0 SEQCRD A R ARG ARG 31 31 E E 0 SEQCRD A K LYS LYS 32 32 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA