Matrix of similar interfaces for 3D-footprint entry 4x23_Q

_ stats: contacts=4 Nring=1 specif=0.25
_ PDBs:  1:6t7a_C,2:7lyb_G,3:1u35_G,4:4ne1_p,5:7wlr_E,6:7lya_E,7:7k78_E,
_ PDBs:  8:7zs9_e,
_ -lnE:  1:14.9,2:14.9,3:14.9,4:10.4,5:9.5,6:9.5,7:9.4,8:9.4,
_        1 2 3 4 5 6 7 8
0010 P  ------RA--------
0012 G  ------ET----IT--
0016 R  ------RT--------
0026 R* RARTRT--RTRTRART