HEADSC 2n5y SEQCRD A X 4N3 DVA 1 1 C C 0 SEQCRD A X 4FO 4FO 2 2 C C 0 SEQCRD A G GLY GLY 3 3 C C 0 SEQCRD A X DSN DSN 4 4 C C 0 SEQCRD A X DTR DTR 5 5 C C 0 SEQCRD A S SER SER 6 6 C C 0 SEQCRD A X DAB DAB 7 7 C C 0 SEQCRD A X 4FO 4FO 8 8 C C 0 SEQCRD A F PHE PHE 9 9 C C 0 SEQCRD A E GLU GLU 10 10 C C 0 SEQCRD A V VAL VAL 11 11 C C 0 SEQCRD A X 28J 28J 12 12 C C 0 SEQCRD A A ALA ALA 13 13 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA