Matrix of similar interfaces for 3D-footprint entry 8j91_C

_ stats: contacts=4 Nring=1 specif=0.25
_ PDBs:  1:7kbd_C,2:7xyf_B,3:7nkx_f,4:7unc_a,5:3kwq_E,6:7zs9_e,7:7ccr_A,
_ PDBs:  8:4xzq_E,9:6iy2_A,10:7cvo_A,11:3wkj_D,12:7y7i_E,13:7on1_c,
_ -lnE:  1:13.5,2:10.3,3:10.0,4:9.8,5:9.8,6:9.8,7:9.8,8:9.7,9:9.7,
_ -lnE:  10:9.5,11:9.3,12:8.9,13:7.1,
_        1 2 3 4 5 6 7 8 910111213
0013 G  ------LALT----LT----IT----
0016 A  ------------------KT------
0027 R* RTRC--RGRCRTRGRCRG----RGRC
0061 T  ----KG--------------------