Matrix of similar interfaces for 3D-footprint entry 2a66_A

_ stats: contacts=7 Nring=4 specif=0.57
_ PDBs:  1:1cit_A,2:4umm_A,3:2c7a_B,4:4ond_A,5:4tnt_B,6:5emc_A,7:1hcq_E,
_ PDBs:  8:4aa6_B,
_ -lnE:  1:11.6,2:11.6,3:10.9,4:10.7,5:10.7,6:10.6,7:10.4,8:10.4,
_        1 2 3 4 5 6 7 8
0011 G  CA--------------
0020 E* ECEA--EC----ECEC
0023 K* KGKGKGKGKGKGKGKG
0024 G  ----VTAGVGVTAGAG
0027 K* KGKT--------KG--
0028 R* RGRGRGRGRGRGRGKT
0029 T  --------------RG