Chains and heterogens:
PDB Chain Sequences:
>1aqcA (A:) medlidgiifaanylgstqllsdktpsknvrmmqaqeavsrikmaqklaksrkkapeges qpmtevdlfiltqrikvlnadtqetmmdhplrtisyiadignivvlmarrriprsnsqen veashpsqdgkrqykmichvfesedaqliaqsigqafsvayqeflr
>1aqcA (A:) medlidgiifaanylgstqllsdktpsknvrmmqaqeavsrikmaqklmtevdlfiltqr ikvlnadtqetmmdhplrtisyiadignivvlmarrrykmichvfesedaqliaqsigqa fsvayqeflr
>1aqcB (B:) iifaanylgstqllsdktpsknvrmmqaqeavsrikmaqklaksrkkapegesqpmtevd lfiltqrikvlnadtqetmmdhplrtisyiadignivvlmarrriprsnsqenveashps qdgkrqykmichvfesedaqliaqsigqafsvayqeflranginp
>1aqcB (B:) iifaanylgstqllnvrmmqaqeavsrikmaqklatevdlfiltqrikvlnadtqetmmd hplrtisyiadignivvlmarrrykmichvfesedaqliaqsigqafsvayqeflrangi np