Chains and heterogens:
PDB Chain Sequences:
>4ctrA (A:) cprflkvknwetdvvltdtlhlkstletgctehicmgsimlpsqhtrkpedvrtkdqlfp lakefldqyyssikrfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcv griqwsklqvfdardcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwn sqliryagykqpdgstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqi ppelvlevpirhpkfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvr dycdnsrynileevakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsate sfikhmeneyrcrggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvw kg
>4ctrA (A:) rflkvknwetdvvltdtlhlkstletgctehicmgsimlptkdqlfplakefldqyyssi krfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcvgriqwsklqvfda rdcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwnsqliryagykqpd gstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqippelvlevpirhp kfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvrdycdnsrynilee vakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsatesfikhmeneyrcr ggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvwk
>4ctrB (B:) cprflkvknwetdvvltdtlhlkstletgctehicmgsimlpsqhtrkpedvrtkdqlfp lakefldqyyssikrfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcv griqwsklqvfdardcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwn sqliryagykqpdgstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqi ppelvlevpirhpkfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvr dycdnsrynileevakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsate sfikhmeneyrcrggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvw kg
>4ctrB (B:) rflkvknwetdvvltdtlhlkstletgctehicmgsimlpvrtkdqlfplakefldqyys sikrfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcvgriqwsklqvf dardcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwnsqliryagykq pdgstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqippelvlevpir hpkfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvrdycdnsrynil eevakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsatesfikhmeneyr crggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvwkg