HEADSC 2onv SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A G GLY GLY 2 2 C C 0 SEQCRD A V VAL VAL 3 3 C C 0 SEQCRD A V VAL VAL 4 4 C C 0 SEQCRD A I ILE ILE 5 5 C C 0 SEQCRD A A ALA ALA 6 6 C C 0 PARAME method XRAY PARAME resolution 1.610 PARAME R-factor 0.235 PARAME FreeR-factor 0.299