Chains and heterogens:
PDB Chain Sequences:
>1spqA (A:) aprkffvggnwkmngdkkslgelihtlngaklsadtevvcgapsiyldfarqkldakigv aaqncykvpkgaftgeispamikdigaawvilghserrhvfgesdeligqkvahalaegl gviacigekldereagitekvvfeqtkaiadnvkdwskvvlayepvwaigtgktktpqqa qevheklrgwlkshvsdavaqstriiyggsvtggnckelasqhdvdgflvggaslkpefv diinakh
>1spqA (A:) rkffvggnwkmngdkkslgelihtlngaklsadtevvcgapsiyldfarqkldakigvaa qncykvpkgaftgeispamikdigaawvilghserrhvfgesdeligqkvahalaeglgv iacigekldereagitekvvfeqtkaiadnvkdwskvvlayepvwaigktktpqqaqevh eklrgwlkshvsdavaqstriiyggsvtggnckelasqhdvdgflvggaslkpefvdiin akh
>1spqB (B:) aprkffvggnwkmngdkkslgelihtlngaklsadtevvcgapsiyldfarqkldakigv aaqncykvpkgaftgeispamikdigaawvilghserrhvfgesdeligqkvahalaegl gviacigekldereagitekvvfeqtkaiadnvkdwskvvlayepvwaigtgktktpqqa qevheklrgwlkshvsdavaqstriiyggsvtggnckelasqhdvdgflvggaslkpefv diinakh
>1spqB (B:) aprkffvggnwkmngdkkslgelihtlngaklsadtevvcgapsiyldfarqkldakigv aaqncykvpkgaftgeispamikdigaawvilghserrhvfgesdeligqkvahalaegl gviacigekldereagitekvvfeqtkaiadnvkdwskvvlayepvwtpqqaqevheklr gwlkshvsdavaqstriiyggsvtggnckelasqhdvdgflvggaslkpefvdiinakh