Chains and heterogens:
PDB Chain Sequences:
>7b4qA (A:) mknridpelramldmfpplnlddvqatrkameeaaqltelpvdeevvvsnrmvpgpednp yvrvriyepkekieklpgllwihgggyvlgapegddllcqrfvkeancvvvsvdyrlape hpypapledcyaalqwfakkvdelgvdasrigvggqsagggltaalallardrkgpelcf qmplypmiddknnspssleitgnliwnhdlnekgwsmyldgkngtddvpvhaaparatdl tnlpytytcvgqldpfrdetldyvkrlcqagvdvefhlypgayhgfetlnpaaavsqral aeyvgavkhvlnrekvverk
>7b4qA (A:) mknridpelramldmfpplnlddvqatrkameeaaqltelpvdeevvvsnrmvpgpednp yvrvriyepkekieklpgllwihgggyvlgapegddllcqrfvkeancvvvsvdyrlape hpypapledcyaalqwfakkvdelgvdasrigvggqsagggltaalallardrkgpelcf qmplypmiddknnspssleitgnliwnhdlnekgwsmyldgkngtddvpvhaaparatdl tnlpytytcvgqldpfrdetldyvkrlcqagvdvefhlypgayhgfetlnpaaavsqral aeyvgavkhvlnre
>7b4qB (B:) mknridpelramldmfpplnlddvqatrkameeaaqltelpvdeevvvsnrmvpgpednp yvrvriyepkekieklpgllwihgggyvlgapegddllcqrfvkeancvvvsvdyrlape hpypapledcyaalqwfakkvdelgvdasrigvggqsagggltaalallardrkgpelcf qmplypmiddknnspssleitgnliwnhdlnekgwsmyldgkngtddvpvhaaparatdl tnlpytytcvgqldpfrdetldyvkrlcqagvdvefhlypgayhgfetlnpaaavsqral aeyvgavkhvlnrekvverk
>7b4qB (B:) mknridpelramldmfpplnlddvqatrkameeaaqltelpvdeevvvsnrmvpgpednp yvrvriyepkekieklpgllwihgggyvlgapegddllcqrfvkeancvvvsvdyrlape hpypapledcyaalqwfakkvdelgvdasrigvggqsagggltaalallardrkgpelcf qmplypmiddknnspssleitgnliwnhdlnekgwsmyldgkngtddvpvhaaparatdl tnlpytytcvgqldpfrdetldyvkrlcqagvdvefhlypgayhgfetlnpaaavsqral aeyvgavkhvlnre