Matrix of similar interfaces for 3D-footprint entry 7xv6_B

_ stats: contacts=8 Nring=4 specif=0.50
_ PDBs:  1:4umm_E,2:4umm_A,3:2c7a_B,4:1cit_A,5:5krb_G,6:4ond_A,7:4aa6_B,
_ -lnE:  1:11.6,2:11.4,3:11.3,4:11.2,5:11.1,6:10.9,7:10.6,
_        1 2 3 4 5 6 7
0013 G  ------CA------
0022 E* EAEA--ECECECEC
0025 K* KGKGKGKGKGKGKG
0026 G  ----VT----AGAG
0029 K* RTKT--KG------
0030 R* RTRGRGRGRARGKT
0031 S  ------------RG
0054 N  RT------------