HEADSC 2ech SEQCRD A E GLU GLU 1 1 T T 0 SEQCRD A C CYS CYS 2 2 T T 0 SEQCRD A E GLU GLU 3 3 T T 0 SEQCRD A S SER SER 4 4 T T 0 SEQCRD A G GLY GLY 5 5 T T 0 SEQCRD A P PRO PRO 6 6 T T 0 SEQCRD A C CYS CYS 7 7 T T 0 SEQCRD A C CYS CYS 8 8 T T 0 SEQCRD A R ARG ARG 9 9 T T 0 SEQCRD A N ASN ASN 10 10 T T 0 SEQCRD A C CYS CYS 11 11 T T 0 SEQCRD A K LYS LYS 12 12 T T 0 SEQCRD A F PHE PHE 13 13 T T 0 SEQCRD A L LEU LEU 14 14 T T 0 SEQCRD A K LYS LYS 15 15 T T 0 SEQCRD A E GLU GLU 16 16 T T 0 SEQCRD A G GLY GLY 17 17 T T 0 SEQCRD A T THR THR 18 18 T T 0 SEQCRD A I ILE ILE 19 19 T T 0 SEQCRD A C CYS CYS 20 20 T T 0 SEQCRD A K LYS LYS 21 21 T T 0 SEQCRD A R ARG ARG 22 22 T T 0 SEQCRD A A ALA ALA 23 23 T T 0 SEQCRD A R ARG ARG 24 24 T T 0 SEQCRD A G GLY GLY 25 25 T T 0 SEQCRD A D ASP ASP 26 26 T T 0 SEQCRD A D ASP ASP 27 27 T T 0 SEQCRD A M MET MET 28 28 T T 0 SEQCRD A D ASP ASP 29 29 T T 0 SEQCRD A D ASP ASP 30 30 T T 0 SEQCRD A Y TYR TYR 31 31 T T 0 SEQCRD A C CYS CYS 32 32 T T 0 SEQCRD A N ASN ASN 33 33 T T 0 SEQCRD A G GLY GLY 34 34 T T 0 SEQCRD A K LYS LYS 35 35 T T 0 SEQCRD A T THR THR 36 36 C C 0 SEQCRD A C CYS CYS 37 37 C C 0 SEQCRD A D ASP ASP 38 38 C C 0 SEQCRD A C CYS CYS 39 39 C C 0 SEQCRD A P PRO PRO 40 40 C C 0 SEQCRD A R ARG ARG 41 41 C C 0 SEQCRD A N ASN ASN 42 42 C C 0 SEQCRD A P PRO PRO 43 43 C C 0 SEQCRD A H HIS HIS 44 44 C C 0 SEQCRD A K LYS LYS 45 45 C C 0 SEQCRD A G GLY GLY 46 46 C C 0 SEQCRD A P PRO PRO 47 47 C C 0 SEQCRD A A ALA ALA 48 48 C C 0 SEQCRD A T THR THR 49 49 C C 0 SEQCRD A X NH2 NH2 50 50 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA