Chains and heterogens:
PDB Chain Sequences:
>1qyxA (A:) artvvlitgcssgiglhlavrlasdpsqsfkvyatlrdlktqgrlweaaralacppgsle tlqldvrdsksvaaarervtegrvdvlvcnaglgllgplealgedavasvldvnvvgtvr mlqaflpdmkrrgsgrvlvtgsvgglmglpfndvycaskfaleglceslavlllpfgvhl sliecgpvhtafmekvlgspeevldrtdihtfhrfyqylahskqvfreaaqnpeevaevf ltalrapkptlryftterflpllrmrlddpsgsnyvtamhrevfgdvpakaeagaeaggg agpgaedeagrsavgdpelgdppaapq
>1qyxA (A:) artvvlitgcssgiglhlavrlasdpsqsfkvyatlrdlktqgrlweaaralacppgsle tlqldvrdsksvaaarervtegrvdvlvcnaglgllgplealgedavasvldvnvvgtvr mlqaflpdmkrrgsgrvlvtgsvgglmglpfndvycaskfaleglceslavlllpfgvhl sliecgpvhtspeevldrtdihtfhrfyqylahskqvfreaaqnpeevaevfltalrapk ptlryftterflpllrmrlddpsgsnyvtamhrevfg