HEADSC 1xy2 SEQCRD A X MPR MPR 1 1 T T 0 SEQCRD A Y TYR TYR 2 2 T T 0 SEQCRD A I ILE ILE 3 3 T T 0 SEQCRD A Q GLN GLN 4 4 T T 0 SEQCRD A N ASN ASN 5 5 T T 0 SEQCRD A C CYS CYS 6 6 T T 0 SEQCRD A P PRO PRO 7 7 T T 0 SEQCRD A L LEU LEU 8 8 T T 0 SEQCRD A G GLY GLY 9 9 T T 0 SEQCRD A X NH2 NH2 10 10 C C 0 PARAME method XRAY PARAME resolution 1.20 PARAME R-factor 0.1 PARAME FreeR-factor NA