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