HEADSC 5ui6 SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A G GLY GLY 2 2 C C 0 SEQCRD A K LYS LYS 3 3 C C 0 SEQCRD A G GLY GLY 4 4 C C 0 SEQCRD A P PRO PRO 5 5 C C 0 SEQCRD A I ILE ILE 6 6 C C 0 SEQCRD A F PHE PHE 7 7 C C 0 SEQCRD A E GLU GLU 8 8 C C 0 SEQCRD A T THR THR 9 9 C C 0 SEQCRD A W TRP TRP 10 10 C C 0 SEQCRD A V VAL VAL 11 11 C C 0 SEQCRD A T THR THR 12 12 C C 0 SEQCRD A E GLU GLU 13 13 C C 0 SEQCRD A G GLY GLY 14 14 C C 0 SEQCRD A N ASN ASN 15 15 C C 0 SEQCRD A Y TYR TYR 16 16 C C 0 SEQCRD A Y TYR TYR 17 17 C C 0 SEQCRD A G GLY GLY 18 18 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA