Matrix of similar interfaces for 3D-footprint entry 7b4n_A

_ stats: contacts=7 Nring=2 specif=0.29
_ PDBs:  1:5kbd_B,2:3wu1_A,3:7b4n_A,4:3qyn_C,5:4l0y_A,
_ -lnE:  1:10.3,2:10.3,3:10.1,4:9.8,5:9.7,
_        1 2 3 4 5
0024 K* ----KG----
0039 Q  --RG----RG
0145 N  --RT------
0146 R  RG--------
0174 A  ATVC--ATVC
0175 C  CTDC--CTDC
0178 R* RGRGRGRGRG