HEADSC 1d1f SEQCRD A X ACE ACE 1 24 C C 0 SEQCRD A A ALA ALA 2 24 H H 0 SEQCRD A R ARG ARG 3 25 H H 0 SEQCRD A H HIS HIS 4 26 H H 0 SEQCRD A Y TYR TYR 5 27 H H 0 SEQCRD A K LYS LYS 6 28 H H 0 SEQCRD A N ASN ASN 7 29 H H 0 SEQCRD A L LEU LEU 8 30 H H 0 SEQCRD A I ILE ILE 9 31 H H 0 SEQCRD A E GLU GLU 10 32 H H 0 SEQCRD A R ARG ARG 11 33 C C 0 SEQCRD A Q GLN GLN 12 34 C C 0 SEQCRD A R ARG ARG 13 35 C C 0 SEQCRD A Y TYR TYR 14 36 C C 0 SEQCRD A X NH2 TYR 15 36 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA