Matrix of similar interfaces for 3D-footprint entry 4pxi_B

_ stats: contacts=7 Nring=4 specif=0.57
_ PDBs:  1:6c31_A,2:5vl9_A,
_ -lnE:  1:12.3,2:11.2,
_        1 2
0027 L  --VT
0028 S  PTRG
0037 T* TCAT
0038 K* RG--
0040 A  --QT
0042 Y* YGHT
0043 F* HAHT