Matrix of similar interfaces for 3D-footprint entry 6iro_A

_ stats: contacts=5 Nring=2 specif=0.40
_ PDBs:  1:8he5_a,2:8siy_G,
_ -lnE:  1:14.3,2:14.2,
_        1 2
0002 H  --HT
0003 R* RTRG
0004 Y  --YG
0028 L  LG--
0046 R* RART