Chains and heterogens:
PDB Chain Sequences:
>2q3nA (A:) qdpikfttgsatpasynqfidalrerltggliygipvlrdpstvekpnqyvtvelsysdt vsiqlgidltnayvvayragsesfffrnapasastylftgtqqyslpfdgnyddlekwah qsrqrislglealrqgikflrsgasddeeiartliviiqmvaeaarfryvsklvvislsn raafqpdpsmlslentweplsravqhtvqdtfpqnvtlinvrqervvvsslshpsvsala lmlfvcnplnatqspllirs
>2q3nA (A:) dpikfttgsatpasynqfidalrerltggliygipvlrdpstvekpnqyvtvelsysdtv siqlgidltnayvvayragsesfffrnapasastylftgtqqyslpfdgnyddlekwahq srqrislglealrqgikflrsgasddeeiartliviiqmvaeaarfryvsklvvislsnr aafqpdpsmlslentweplsravqhtvqdtfpqnvtlinvrqervvvsslshpsvsalal mlfvcnp
>2q3nB (B:) vveqskicsshyeptvriggrdglcvdvsdnaynngnpiilwkckdqlevnqlwtlksdk tirskgkclttygyapgnyvmiydcssavaeatywdiwdngtiinpksglvlsaesssmg gtltvqkndyrmrqgwrtgndtspfvtsiagffklcmeahgnsmwldvcditkeeqqwav ypdgsirpvqntnncltceehkqgativmmgcsnawasqrwvfksdgtiynlyddmvmdv kssdpslkqiilwpytgnanqmwatlf
>2q3nB (B:) icsshyeptvriggrdglcvdvsdnaynngnpiilwkckdqlevnqlwtlksdktirskg kclttygyapgnyvmiydcssavaeatywdiwdngtiinpksglvlsaesssmggtltvq kndyrmrqgwrtgndtspfvtsiagffklcmeahgnsmwldvcditkeeqqwavypdgsi rpvqntnncltceehkqgativmmgcsnawasqrwvfksdgtiynlyddmvmdvkssdps lkqiilwpytgnanqmwatlf