HEADSC 427d
SEQCRD    A C DC  C       1      1 C C 0
SEQCRD    A G DG  G       2      2 C C 0
SEQCRD    A C DC  C       3      3 C C 0
SEQCRD    A X G49 +G      4      4 C C 0
SEQCRD    A C DC  C       5      5 C C 0
SEQCRD    A G DG  G       6      6 C C 0
PARAME method XRAY
PARAME resolution 1.1
PARAME R-factor 0.1021
PARAME FreeR-factor NA