HEADSC 2nay SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A C CYS CYS 2 2 C C 0 SEQCRD A C CYS CYS 3 3 C C 0 SEQCRD A S SER SER 4 4 C C 0 SEQCRD A N ASN ASN 5 5 C C 0 SEQCRD A P PRO PRO 6 6 C C 0 SEQCRD A A ALA ALA 7 7 H H 0 SEQCRD A C CYS CYS 8 8 H H 0 SEQCRD A I ILE ILE 9 9 H H 0 SEQCRD A L LEU LEU 10 10 H H 0 SEQCRD A N ASN ASN 11 11 H H 0 SEQCRD A N ASN ASN 12 12 H H 0 SEQCRD A P PRO PRO 13 13 C C 0 SEQCRD A N ASN ASN 14 14 C C 0 SEQCRD A Q GLN GLN 15 15 C C 0 SEQCRD A C CYS CYS 16 16 C C 0 SEQCRD A X NH2 NH2 17 17 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA