Chains and heterogens:
PDB Chain Sequences:
>1q0yH (H:) evqlqqsgaelmkpgasvkisckatgytfssywiewvkqrpghglewigeilpgsgdtif nekfkgkatftadtssntaymqlssltsedsavyycarwvldyygmdywgqgtsltvssa sttppsvyplapggxxxxxxsamvtlgclvkgyfpepvtvvwnkgslstgthtfpavlaa dlytlsssvtvsasswpgqsvtcnvahpasstkvdkkiaps
>1q0yH (H:) evqlqqsgaelmkpgasvkisckatgytfssywiewvkqrpghglewigeilpgsgdtif nekfkgkatftadtssntaymqlssltsedsavyycarwvldyygmdywgqgtsltvssa sttppsvyplapggsamvtlgclvkgyfpepvtvvwnkgslstgthtfpavlaadlytls ssvtvsasswpgqsvtcnvahpasstkvdkkiaps
>1q0yL (L:) davvtqesalttspgetvtltcrsstgavttsnyanwvqekpdhlftgliggtnnrapgv parfsgsligdkaaltitgaqtedeaiyfcalwsnnklvfgggtkltvlgqpkssptvtl fppsseelstakatlvctitdfypgvvtvdwkvdgtpvtagmettqpskqsnnkymassy ltltarawerhssyscqvtheghssnktlsra