Chains and heterogens:
PDB Chain Sequences:
>4a3uA (A:) mpslfdpirfgaftaknriwmapltrgratrdhvpteimaeyyaqrasagliiseatgis qeglgwpyapgiwsdaqveawlpitqavhdagglifaqlwhmgrmvpsnvsgmqpvapsa sqapglghtydgkkpydvaralrldeiprllddyekaarhalkagfdgvqihaangylid efirdstnhrhdeyggavenrirllkdvterviatigkertavrlspngeiqgtvdshpe qvfipaakmlsdldiaflgmregavdgtfgktdqpklspeirkvfkpplvlnqdytfeta qaaldsgvadaisfgrpfignpdlprrffekapltkdvietwytqtpkgytdypllgd
>4a3uA (A:) pslfdpirfgaftaknriwmapltrgratrdhvpteimaeyyaqrasagliiseatgisq eglgwpyapgiwsdaqveawlpitqavhdagglifaqlwhmgrmvpsnvsgmqpvapsas qapglghtydgkkpydvaralrldeiprllddyekaarhalkagfdgvqihaangylide firdstnhrhdeyggavenrirllkdvterviatigkertavrlspngeiqgtvdshpeq vfipaakmlsdldiaflgmregavdgtfgktdqpklspeirkvfkpplvlnqdytfetaq aaldsgvadaisfgrpfignpdlprrffekapltkdvietwytqtpkgytdypll
>4a3uB (B:) mpslfdpirfgaftaknriwmapltrgratrdhvpteimaeyyaqrasagliiseatgis qeglgwpyapgiwsdaqveawlpitqavhdagglifaqlwhmgrmvpsnvsgmqpvapsa sqapglghtydgkkpydvaralrldeiprllddyekaarhalkagfdgvqihaangylid efirdstnhrhdeyggavenrirllkdvterviatigkertavrlspngeiqgtvdshpe qvfipaakmlsdldiaflgmregavdgtfgktdqpklspeirkvfkpplvlnqdytfeta qaaldsgvadaisfgrpfignpdlprrffekapltkdvietwytqtpkgytdypllgd
>4a3uB (B:) pslfdpirfgaftaknriwmapltrgratrdhvpteimaeyyaqrasagliiseatgisq eglgwpyapgiwsdaqveawlpitqavhdagglifaqlwhmgrmvpsnvsgmqpvapsas qapglghtydgkkpydvaralrldeiprllddyekaarhalkagfdgvqihaangylide firdstnhrhdeyggavenrirllkdvterviatigkertavrlspngeiqgtvdshpeq vfipaakmlsdldiaflgmregavdgtfgktdqpklspeirkvfkpplvlnqdytfetaq aaldsgvadaisfgrpfignpdlprrffekapltkdvietwytqtpkgytdypll