HEADSC 5y0i SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A F PHE PHE 2 2 E E 0 SEQCRD A C CYS CYS 3 3 E E 0 SEQCRD A W TRP TRP 4 4 E E 0 SEQCRD A N ASN ASN 5 5 E E 0 SEQCRD A V VAL VAL 6 6 E E 0 SEQCRD A C CYS CYS 7 7 E E 0 SEQCRD A V VAL VAL 8 8 E E 0 SEQCRD A Y TYR TYR 9 9 E E 0 SEQCRD A R ARG ARG 10 10 E E 0 SEQCRD A N ASN ASN 11 11 C C 0 SEQCRD A G GLY GLY 12 12 C C 0 SEQCRD A V VAL VAL 13 13 E E 0 SEQCRD A R ARG ARG 14 14 E E 0 SEQCRD A V VAL VAL 15 15 E E 0 SEQCRD A C CYS CYS 16 16 E E 0 SEQCRD A H HIS HIS 17 17 E E 0 SEQCRD A R ARG ARG 18 18 E E 0 SEQCRD A R ARG ARG 19 19 E E 0 SEQCRD A C CYS CYS 20 20 E E 0 SEQCRD A N ASN ASN 21 21 E E 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA