HEADSC 4tut SEQCRD A G GLY GLY 1 126 C C 0 SEQCRD A G GLY GLY 2 127 C C 0 SEQCRD A Y TYR TYR 3 128 C C 0 SEQCRD A M MET MET 4 129 C C 0 SEQCRD A L LEU LEU 5 130 C C 0 SEQCRD A G GLY GLY 6 131 C C 0 PARAME method XRAY PARAME resolution 0.9000 PARAME R-factor 0.0712 PARAME FreeR-factor 0.0980