HEADSC 1ih2
SEQCRD    A G DG  G       1      1 C C 0
SEQCRD    A G DG  G       2      2 C C 0
SEQCRD    A X CBR BRO     3      3 C C 0
SEQCRD    A G DG  G       4      4 C C 0
SEQCRD    A X CBR BRO     5      5 C C 0
SEQCRD    A C DC  C       6      6 C C 0
SEQCRD    B G DG  G       1      7 C C 0
SEQCRD    B G DG  G       2      8 C C 0
SEQCRD    B X CBR BRO     3      9 C C 0
SEQCRD    B G DG  G       4     10 C C 0
SEQCRD    B X CBR BRO     5     11 C C 0
SEQCRD    B C DC  C       6     12 C C 0
PARAME method XRAY
PARAME resolution 2.8
PARAME R-factor 0.24
PARAME FreeR-factor 0.257