This file points to 4 pairs of files of the form    "?qp*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1qp8_A	1qp8_A_sse
1qpm_A	1qpm_A_sse
1qpo_A	1qpo_A_sse
1qpx_A	1qpx_A_sse