HEADSC 2n1c SEQCRD A F PHE PHE 1 1 C C 0 SEQCRD A E GLU GLU 2 2 C C 0 SEQCRD A D ASP ASP 3 3 C C 0 SEQCRD A L LEU LEU 4 4 C C 0 SEQCRD A P PRO PRO 5 5 H H 0 SEQCRD A N ASN ASN 6 6 H H 0 SEQCRD A F PHE PHE 7 7 H H 0 SEQCRD A G GLY GLY 8 8 H H 0 SEQCRD A H HIS HIS 9 9 H H 0 SEQCRD A I ILE ILE 10 10 H H 0 SEQCRD A Q GLN GLN 11 11 H H 0 SEQCRD A V VAL VAL 12 12 H H 0 SEQCRD A K LYS LYS 13 13 H H 0 SEQCRD A V VAL VAL 14 14 H H 0 SEQCRD A F PHE PHE 15 15 H H 0 SEQCRD A N ASN ASN 16 16 H H 0 SEQCRD A H HIS HIS 17 17 H H 0 SEQCRD A G GLY GLY 18 18 H H 0 SEQCRD A E GLU GLU 19 19 H H 0 SEQCRD A H HIS HIS 20 20 C C 0 SEQCRD A I ILE ILE 21 21 C C 0 SEQCRD A H HIS HIS 22 22 C C 0 SEQCRD A H HIS HIS 23 23 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA