HEADSC 4rp6 SEQCRD Z L LEU LEU 1 1 C C 0 SEQCRD Z T THR THR 2 2 C C 0 SEQCRD Z I ILE ILE 3 3 C C 0 SEQCRD Z I ILE ILE 4 4 C C 0 SEQCRD Z T THR THR 5 5 C C 0 SEQCRD Z L LEU LEU 6 6 C C 0 SEQCRD Z E GLU GLU 7 7 C C 0 PARAME method XRAY PARAME resolution 1.703 PARAME R-factor 0.1655 PARAME FreeR-factor 0.1919