HEADSC 2n0f SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A N ASN ASN 2 2 C C 0 SEQCRD A H HIS HIS 3 3 C C 0 SEQCRD A W TRP TRP 4 4 H H 0 SEQCRD A A ALA ALA 5 5 H H 0 SEQCRD A V VAL VAL 6 6 H H 0 SEQCRD A G GLY GLY 7 7 H H 0 SEQCRD A H HIS HIS 8 8 H H 0 SEQCRD A L LEU LEU 9 9 H H 0 SEQCRD A M MET MET 10 10 C C 0 SEQCRD A X NH2 --- 11 - - - 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA