HEADSC 3md4 SEQCRD A G GLY GLY 1 127 C C 0 SEQCRD A Y TYR TYR 2 128 E E 0 SEQCRD A M MET MET 3 129 E E 0 SEQCRD A L LEU LEU 4 130 E E 0 SEQCRD A G GLY GLY 5 131 E E 0 SEQCRD A S SER SER 6 132 C C 0 SEQCRD B G GLY GLY 1 127 C C 0 SEQCRD B Y TYR TYR 2 128 E E 0 SEQCRD B M MET MET 3 129 E E 0 SEQCRD B L LEU LEU 4 130 E E 0 SEQCRD B G GLY GLY 5 131 E E 0 SEQCRD B S SER SER 6 132 C C 0 PARAME method XRAY PARAME resolution 1.150 PARAME R-factor 0.150 PARAME FreeR-factor 0.169