Matrix of similar interfaces for 3D-footprint entry 4q0w_A

_ stats: contacts=5 Nring=1 specif=0.20
_ PDBs:  1:1rxw_A,
_ -lnE:  1:10.1,
_        1
0039 A* IC
0040 V  IC
0042 D  QG
0052 T  SG
0306 K  RC