HEADSC 2gun
SEQCRD    A T DT  T       1      1 C C 0
SEQCRD    A T DT  T       2      2 C C 0
SEQCRD    A C DC  C       3      3 C C 0
SEQCRD    A X T2T T2T     4      4 C C 0
SEQCRD    A X CBR CBR     5      6 C C 0
SEQCRD    A T DT  T       6      7 C C 0
SEQCRD    A T DT  T       7      8 C C 0
SEQCRD    A C DC  C       8      9 C C 0
SEQCRD    B G G   G       1     10 C C 0
SEQCRD    B A A   A       2     11 C C 0
SEQCRD    B A A   A       3     12 C C 0
SEQCRD    B G G   G       4     13 C C 0
SEQCRD    B A A   A       5     14 C C 0
SEQCRD    B A A   A       6     15 C C 0
SEQCRD    B G G   G       7     16 C C 0
SEQCRD    B A A   A       8     17 C C 0
SEQCRD    B A A   A       9     18 C C 0
PARAME method XRAY
PARAME resolution 2.80
PARAME R-factor 0.235
PARAME FreeR-factor 0.272