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

Crossing File	Backbone Overlay
1nc5_A	1nc5_A_sse
1nc7_A	1nc7_A_sse
1ncn_A	1ncn_A_sse
1ncs	1ncs_sse
1ncu	1ncu_sse