Chains and heterogens:
PDB Chain Sequences:
>3ecaA (A:) lpnitilatggtiagggdsatksnytagkvgvenlvnavpqlkdianvkgeqvvnigsqd mnddvwltlakkintdcdktdgfvithgtdtmeetayfldltvkcdkpvvmvgamrpsts msadgpfnlynavvtaadkasanrgvlvvmndtvldgrdvtktnttdvatfksvnygplg yihngkidyqrtparkhtsdtpfdvsklnelpkvgivynyanasdlpakalvdagydgiv sagvgngnlyktvfdtlataakngtavvrssrvptgattqdaevddakygfvasgtlnpq karvllqlaltqtkdpqqiqqifnqy
>3ecaB (B:) lpnitilatggtiagggdsatksnytagkvgvenlvnavpqlkdianvkgeqvvnigsqd mnddvwltlakkintdcdktdgfvithgtdtmeetayfldltvkcdkpvvmvgamrpsts msadgpfnlynavvtaadkasanrgvlvvmndtvldgrdvtktnttdvatfksvnygplg yihngkidyqrtparkhtsdtpfdvsklnelpkvgivynyanasdlpakalvdagydgiv sagvgngnlyktvfdtlataakngtavvrssrvptgattqdaevddakygfvasgtlnpq karvllqlaltqtkdpqqiqqifnqy
>3ecaC (C:) lpnitilatggtiagggdsatksnytagkvgvenlvnavpqlkdianvkgeqvvnigsqd mnddvwltlakkintdcdktdgfvithgtdtmeetayfldltvkcdkpvvmvgamrpsts msadgpfnlynavvtaadkasanrgvlvvmndtvldgrdvtktnttdvatfksvnygplg yihngkidyqrtparkhtsdtpfdvsklnelpkvgivynyanasdlpakalvdagydgiv sagvgngnlyktvfdtlataakngtavvrssrvptgattqdaevddakygfvasgtlnpq karvllqlaltqtkdpqqiqqifnqy
>3ecaD (D:) lpnitilatggtiagggdsatksnytagkvgvenlvnavpqlkdianvkgeqvvnigsqd mnddvwltlakkintdcdktdgfvithgtdtmeetayfldltvkcdkpvvmvgamrpsts msadgpfnlynavvtaadkasanrgvlvvmndtvldgrdvtktnttdvatfksvnygplg yihngkidyqrtparkhtsdtpfdvsklnelpkvgivynyanasdlpakalvdagydgiv sagvgngnlyktvfdtlataakngtavvrssrvptgattqdaevddakygfvasgtlnpq karvllqlaltqtkdpqqiqqifnqy