Chains and heterogens:
PDB Chain Sequences:
>1k2tA (A:) rflkvknwetdvvltdtlhlkstletgctehicmgsimlpsqhtrkpedvrtkdqlfpla kefldqyyssikrfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcvgr iqwsklqvfdardcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwnsq liryagykqpdgstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqipp elvlevpirhpkfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvrdy cdnsrynileevakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsatesf ikhmeneyrcrggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvwk
>1k2tA (A:) rflkvknwetdvvltdtlhlkstletgctehicmgsimlptkdqlfplakefldqyyssi krfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcvgriqwsklqvfda rdcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwnsqliryagykqpd gstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqippelvlevpirhp kfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvrdycdnsrynilee vakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsatesfikhmeneyrcr ggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvw
>1k2tB (B:) rflkvknwetdvvltdtlhlkstletgctehicmgsimlpsqhtrkpedvrtkdqlfpla kefldqyyssikrfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcvgr iqwsklqvfdardcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwnsq liryagykqpdgstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqipp elvlevpirhpkfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvrdy cdnsrynileevakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsatesf ikhmeneyrcrggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvwk
>1k2tB (B:) rflkvknwetdvvltdtlhlkstletgctehicmgsimlpvrtkdqlfplakefldqyys sikrfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcvgriqwsklqvf dardcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwnsqliryagykq pdgstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqippelvlevpir hpkfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvrdycdnsrynil eevakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsatesfikhmeneyr crggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvwk