Matrix of similar interfaces for 3D-footprint entry 1r4i_A

_ stats: contacts=5 Nring=3 specif=0.60
_ PDBs:  1:5e69_A,2:1hcq_E,
_ -lnE:  1:11.1,2:10.6,
_        1 2
0022 G  --EC
0025 K* KAKG
0026 V* VAAG
0029 K  --KG
0030 R* RARG