Chains and heterogens:
PDB Chain Sequences:
>1pysA (A:) rvdvslpgaslfsgglhpitlmerelveifralgyqavegpeveseffnfdalnipehhp ardmwdtfwltgegfrlegplgeevegrlllrthtspmqvrymvahtppfrivvpgrvfr feqtdatheavfhqleglvvgegiamahlkgaiyelaqalfgpdskvrfqpvyfpfvepg aqfavwwpeggkwlelggagmvhpkvfqavdayrerlglppayrgvtgfafglgverlam lrygipdiryffggrlkfleqfkgvl
>1pysB (B:) mrvpfswlkayvpelespevleerlaglgfetdriervfpiprgvvfarvleahpipgtr lkrlvldagrtvevvsgaenarkgigvalalpgtelpglgqkvgerviqgvrsfgmalsp relgvgeygggllefpedalppgtplseawpeevvldlevtpnrpdalgllglardlhal gyalvepeaalkaealplpfalkvedpegaphftlgyafglrvapsplwmqralfaagmr pinnvvdvtnyvmleraqpmhafdlrfvgegiavrraregerlktldgvertlhpedlvi agwrgeesfplglagvmggaesevredteaialevacfdpvsirktarrhglrteashrf ergvdplgqvpaqrralsllqalagarvaealleagspkppeaipfrpeyanrllgtsyp eaeqiailkrlgcrvegegptyrvtppshrldlrleedlveevariqgyetiplalpaff papdnrgveapyrkeqrlrevlsglgfqevytysfmdpedarrfrldpprllllnplape kaalrthlfpglvrvlkenldldrperallfevgrvfrereethlagllfgegvglpwak erlsgyfllkgylealfarlglafrveaqafpflhpgvsgrvlvegeevgflgalhpeia qelelppvhlfelrlplpdkplafqdpsrhpaafrdlavvvpaptpygevealvreaagp yleslalfdlyqgpplpeghkslafhlrfrhpkrtlrdeeveeavsrvaealrargfglr gldtp