Matrix of similar interfaces for 3D-footprint entry 4r4e_B

_ stats: contacts=6 Nring=3 specif=0.50
_ PDBs:  1:5d8c_A,2:5i44_I,3:7ckq_G,4:6xl5_H,
_ -lnE:  1:10.9,2:9.7,3:9.2,4:8.1,
_        1 2 3 4
0025 R* YTKGKGKG
0028 R* RTQGRTHT
0029 Y  FCRTYGYA
0032 E  KG------
0045 R* ----YCYG
0046 R  ----RT--