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

_ stats: contacts=3 Nring=3 specif=1.00
_ PDBs:  1:6a5n_A,2:4pw7_E,
_ -lnE:  1:41.8,2:17.3,
_        1 2
0027 R* RA--
0076 W* SA--
0077 L* QGVG