Matrix of similar interfaces for 3D-footprint entry 3w99_F

_ stats: contacts=2 Nring=1 specif=0.50
_ PDBs:  1:8u14_G,2:8txv_G,3:8kcb_A,4:8rbx_M,
_ -lnE:  1:10.9,2:10.5,3:7.1,4:7.1,
_        1 2 3 4
0026 R* RTRGRGRA
0061 T  ----RG--