HEADSC 2omm SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A N ASN ASN 2 2 C C 0 SEQCRD A N ASN ASN 3 3 C C 0 SEQCRD A Q GLN GLN 4 4 C C 0 SEQCRD A Q GLN GLN 5 5 C C 0 SEQCRD A N ASN ASN 6 6 C C 0 SEQCRD A Y TYR TYR 7 7 C C 0 PARAME method XRAY PARAME resolution 2.000 PARAME R-factor 0.242 PARAME FreeR-factor 0.252