This file points to 5 pairs of files of the form    "?kr*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1kr7_A	1kr7_A_sse
1kre_A	1kre_A_sse
1krh_A	1krh_A_sse
1krq_A	1krq_A_sse
1krw_A	1krw_A_sse