HEADSC 2n68 SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A L LEU LEU 2 2 C C 0 SEQCRD A S SER SER 3 3 C C 0 SEQCRD A Q GLN GLN 4 4 C C 0 SEQCRD A G GLY GLY 5 5 C C 0 SEQCRD A V VAL VAL 6 6 C C 0 SEQCRD A E GLU GLU 7 7 C C 0 SEQCRD A P PRO PRO 8 8 C C 0 SEQCRD A D ASP ASP 9 9 C C 0 SEQCRD A I ILE ILE 10 10 C C 0 SEQCRD A G GLY GLY 11 11 C C 0 SEQCRD A Q GLN GLN 12 12 C C 0 SEQCRD A T THR THR 13 13 C C 0 SEQCRD A Y TYR TYR 14 14 C C 0 SEQCRD A F PHE PHE 15 15 C C 0 SEQCRD A E GLU GLU 16 16 C C 0 SEQCRD A E GLU GLU 17 17 C C 0 SEQCRD A S SER SER 18 18 C C 0 SEQCRD A R ARG ARG 19 19 C C 0 SEQCRD A I ILE ILE 20 20 C C 0 SEQCRD A N ASN ASN 21 21 C C 0 SEQCRD A Q GLN GLN 22 22 C C 0 SEQCRD A D ASP ASP 23 23 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA