Matrix of similar interfaces for 3D-footprint entry 6vtx_A

_ stats: contacts=12 Nring=9 specif=0.75
_ PDBs:  1:6vtx_A,2:5wjq_D,3:8sst_A,4:5vmz_A,
_ -lnE:  1:12.4,2:12.1,3:12.1,4:11.3,
_        1 2 3 4
0013 K  --RGEC--
0015 S* SG----TT
0016 H* HGEC--SG
0019 A  --RARGRG
0043 R* RG------
0045 D* DATGYCQC
0046 E* ETECKGYC
0049 R* RGRGRG--
0071 R* RGRGQANT
0072 S  ------YG
0073 D* DC----QG
0074 H* HGETTCFT