Matrix of similar interfaces for 3D-footprint entry 3cbb_A

_ stats: contacts=7 Nring=4 specif=0.57
_ PDBs:  1:1cit_A,2:4umm_A,3:2c7a_B,4:4tnt_B,5:4ond_A,6:5emc_A,7:1hcq_E,
_ PDBs:  8:4aa6_B,
_ -lnE:  1:11.5,2:11.5,3:10.9,4:10.7,5:10.7,6:10.6,7:10.4,8:10.4,
_        1 2 3 4 5 6 7 8
0011 G  CA--------------
0020 D* ECEA----EC--ECEC
0023 K* KGKGKGKGKGKGKGKG
0024 G  ----VTVGAGVTAGAG
0027 R* KGKT--------KG--
0028 R* RGRGRGRGRGRGRGKT
0029 S  --------------RG