HEADSC 2mag SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A I ILE ILE 2 2 C C 0 SEQCRD A G GLY GLY 3 3 C C 0 SEQCRD A K LYS LYS 4 4 H H 0 SEQCRD A F PHE PHE 5 5 H H 0 SEQCRD A L LEU LEU 6 6 H H 0 SEQCRD A H HIS HIS 7 7 H H 0 SEQCRD A S SER SER 8 8 H H 0 SEQCRD A A ALA ALA 9 9 H H 0 SEQCRD A K LYS LYS 10 10 H H 0 SEQCRD A K LYS LYS 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 H H 0 SEQCRD A A ALA ALA 15 15 H H 0 SEQCRD A F PHE PHE 16 16 H H 0 SEQCRD A V VAL VAL 17 17 H H 0 SEQCRD A G GLY GLY 18 18 H H 0 SEQCRD A E GLU GLU 19 19 H H 0 SEQCRD A I ILE ILE 20 20 H H 0 SEQCRD A M MET MET 21 21 H H 0 SEQCRD A N ASN ASN 22 22 C C 0 SEQCRD A S SER SER 23 23 C C 0 SEQCRD A X NH2 NH2 24 24 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA