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

_ stats: contacts=2 Nring=1 specif=0.50
_ PDBs:  1:8jh2_e,2:8txv_G,3:8u14_G,
_ -lnE:  1:14.1,2:10.2,3:9.6,
_        1 2 3
0002 R* RG----
0044 R  --RGRT