Matrix of similar interfaces for 3D-footprint entry 7xsx_a

_ stats: contacts=2 Nring=1 specif=0.50
_ PDBs:  1:8rbx_M,2:7unc_a,3:7xsx_a,4:8bvw_e,5:8txv_G,6:6qld_f,7:8u14_G,
_ -lnE:  1:11.5,2:11.5,3:11.5,4:11.5,5:10.3,6:10.3,7:10.3,
_        1 2 3 4 5 6 7
0006 L  --LA--LC------
0024 R* RARGRA--RGRCRT