HEADSC 2n9r SEQCRD A P PRO PRO 1 1 C C 0 SEQCRD A K LYS LYS 2 2 C C 0 SEQCRD A I ILE ILE 3 3 H H 0 SEQCRD A L LEU LEU 4 4 H H 0 SEQCRD A N ASN ASN 5 5 H H 0 SEQCRD A K LYS LYS 6 6 H H 0 SEQCRD A I ILE ILE 7 7 H H 0 SEQCRD A L LEU LEU 8 8 H H 0 SEQCRD A G GLY GLY 9 9 H H 0 SEQCRD A K LYS LYS 10 10 H H 0 SEQCRD A I ILE ILE 11 11 H H 0 SEQCRD A L LEU LEU 12 12 H H 0 SEQCRD A R ARG ARG 13 13 H H 0 SEQCRD A L LEU LEU 14 14 H H 0 SEQCRD A A ALA ALA 15 15 H H 0 SEQCRD A A ALA ALA 16 16 H H 0 SEQCRD A A ALA ALA 17 17 H H 0 SEQCRD A F PHE PHE 18 18 H H 0 SEQCRD A K LYS LYS 19 19 H H 0 SEQCRD A X NH2 LYS 20 19 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA