HEADSC 1n9u SEQCRD A D ASP ASP 1 1 C C 0 SEQCRD A R ARG ARG 2 2 C C 0 SEQCRD A V VAL VAL 3 3 C C 0 SEQCRD A Y TYR TYR 4 4 C C 0 SEQCRD A I ILE ILE 5 5 C C 0 SEQCRD A H HIS HIS 6 6 C C 0 SEQCRD A P PRO PRO 7 7 C C 0 SEQCRD A F PHE PHE 8 8 C C 0 SEQCRD A H HIS HIS 9 9 C C 0 SEQCRD A L LEU LEU 10 10 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA