Matrix of similar interfaces for 3D-footprint entry 6u7t_A

_ stats: contacts=10 Nring=5 specif=0.50
_ PDBs:  1:6u7t_A,2:7ef9_A,3:6vjw_A,4:7kz0_A,
_ -lnE:  1:41.7,2:40.3,3:14.1,4:14.0,
_        1 2 3 4
0040 Q  ----NGNG
0041 Q* QGQGRGRG
0042 T  ----TGTG
0043 R* RGQG----
0081 Y* YCYCLGLG
0084 R  ----LCLC
0085 V  ------RG
0224 K  --RC----
0296 S* SCSC----
0297 H* HCHC----