Matrix of similar interfaces for 3D-footprint entry 3qex_A

_ stats: contacts=5 Nring=1 specif=0.20
_ PDBs:  1:2dtu_A,
_ -lnE:  1:76.4,
_        1
0274 D  DG
0281 F  FA
0358 F  FG
0573 W  WC
0705 K* KT