Chains and heterogens:
PDB Chain Sequences:
>1a3xA (A:) msrlerltslnvvagsdlrrtsiigtigpktnnpetlvalrkaglnivrmnfshgsyeyh ksvidnarkseelypgrplaialdtkgpeirtgtttndvdypippnhemifttddkyaka cddkimyvdyknitkvisagriiyvddgvlsfqvlevvddktlkvkalnagkicshkgvn lpgtdvdlpalsekdkedlrfgvkngvhmvfasfirtandvltirevlgeqgkdvkiivk ienqqgvnnfdeilkvtdgvmvargdlgieipapevlavqkkliaksnlagkpvicatqm lesmtynprptraevsdvgnaildgadcvmlsgetakgnypinavttmaetaviaeqaia ylpnyddmrnctpkptsttetvaasavaavfeqkakaiivlstsgttprlvskyrpncpi ilvtrcpraarfshlyrgvfpfvfekepvsdwtddvearinfgiekakefgilkkgdtyv siqgfkagaghsntlqvstv
>1a3xA (A:) msrlerltslnvvagsdlrrtsiigtigpktnnpetlvalrkaglnivrmnfshgsyeyh ksvidnarkseelypgrplaialdtkgpeirtgtttndvdypippnhemifttddkyaka cddkimyvdyknitkvisagriiyvddgvlsfqvlevvddktlkvkalnagkicshkgvn lpgtdvdlpalsekdkedlrfgvkngvhmvfasfirtandvltirevlgeqgkdvkiivk ienqqgvnnfdeilkvtdgvmvargdlgieipapevlavqkkliaksnlagkpvicatqm lesmtynprptraevsdvgnaildgadcvmlsgetakgnypinavttmaetaviaeqaia ylpnyddmrnctpkptsttetvaasavaavfeqkakaiivlstsgttprlvskyrpncpi ilvtrcpraarfshlyrgvfpfvfeketddvearinfgiekakefgilkkgdtyvsiqgn tlqvstv
>1a3xB (B:) msrlerltslnvvagsdlrrtsiigtigpktnnpetlvalrkaglnivrmnfshgsyeyh ksvidnarkseelypgrplaialdtkgpeirtgtttndvdypippnhemifttddkyaka cddkimyvdyknitkvisagriiyvddgvlsfqvlevvddktlkvkalnagkicshkgvn lpgtdvdlpalsekdkedlrfgvkngvhmvfasfirtandvltirevlgeqgkdvkiivk ienqqgvnnfdeilkvtdgvmvargdlgieipapevlavqkkliaksnlagkpvicatqm lesmtynprptraevsdvgnaildgadcvmlsgetakgnypinavttmaetaviaeqaia ylpnyddmrnctpkptsttetvaasavaavfeqkakaiivlstsgttprlvskyrpncpi ilvtrcpraarfshlyrgvfpfvfekepvsdwtddvearinfgiekakefgilkkgdtyv siqgfkagaghsntlqvstv
>1a3xB (B:) msrlerltslnvvagsdlrrtsiigtigpktnnpetlvalrkaglnivrmnfshgsyeyh ksvidnarkseelypgrplaialdtkgpeirtgtttndvdypippnhemifttddkyaka cddkimyvdyknitkvisagriiyvddgvlsfqvlevvddktlkvkalnagkicshkgvn lpgtdvdlpalsekdkedlrfgvkngvhmvfasfirtandvltirevlgeqgkdvkiivk ienqqgvnnfdeilkvtdgvmvargdlgieipapevlavqkkliaksnlagkpvicatqm lesmtynprptraevsdvgnaildgadcvmlsgetakgnypinavttmaetaviaeqaia ylpnyddmrnctpkptsttetvaasavaavfeqkakaiivlstsgttprlvskyrpncpi ilvtrcpraarfshlyrgvfpfvfeketddvearinfgiekakefgilkkgdtyvsiqgn tlqvstv