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

_ stats: contacts=7 Nring=6 specif=0.86
_ PDBs:  1:6c31_A,2:5vl9_A,
_ -lnE:  1:18.1,2:13.2,
_        1 2
0025 T* --VT
0026 A  PTRG
0035 S* TCAT
0036 E* RG--
0038 A* --QT
0040 Y* YGHT
0041 R* HAHT