HEADSC 2n6u SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A L LEU LEU 2 2 C C 0 SEQCRD A T THR THR 3 3 C C 0 SEQCRD A Q GLN GLN 4 4 C C 0 SEQCRD A I ILE ILE 5 5 C C 0 SEQCRD A Q GLN GLN 6 6 C C 0 SEQCRD A A ALA ALA 7 7 C C 0 SEQCRD A L LEU LEU 8 8 C C 0 SEQCRD A D ASP ASP 9 9 C C 0 SEQCRD A S SER SER 10 10 C C 0 SEQCRD A V VAL VAL 11 11 C C 0 SEQCRD A S SER SER 12 12 C C 0 SEQCRD A G GLY GLY 13 13 C C 0 SEQCRD A Q GLN GLN 14 14 C C 0 SEQCRD A F PHE PHE 15 15 C C 0 SEQCRD A R ARG ARG 16 16 C C 0 SEQCRD A D ASP ASP 17 17 C C 0 SEQCRD A Q GLN GLN 18 18 C C 0 SEQCRD A L LEU LEU 19 19 C C 0 SEQCRD A G GLY GLY 20 20 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA