Chains and heterogens:
PDB Chain Sequences:
>1ef1A (A:) tisvrvttmdaelefaiqpnttgkqlfdqvvktiglrevwffglqyqdtkgfstwlklnk kvtaqdvrkespllfkfrakfypedvseeliqditqrlfflqvkegilnddiycppetav llasyavqskygdfnkevhksgylagdkllpqrvleqhklnkdqweeriqvwheehrgml redavleylkiaqdlemygvnyfsiknkkgselwlgvdalglniyeqndrltpkigfpws eirnisfndkkfvikpidkkapdfvfyaprlrinkrilalcmgnhelymrrrkp
>1ef1B (B:) tisvrvttmdaelefaiqpnttgkqlfdqvvktiglrevwffglqyqdtkgfstwlklnk kvtaqdvrkespllfkfrakfypedvseeliqditqrlfflqvkegilnddiycppetav llasyavqskygdfnkevhksgylagdkllpqrvleqhklnkdqweeriqvwheehrgml redavleylkiaqdlemygvnyfsiknkkgselwlgvdalglniyeqndrltpkigfpws eirnisfndkkfvikpidkkapdfvfyaprlrinkrilalcmgnhelymrrrkp
>1ef1C (C:) aeasadlradamakdrseeertteaeknervqkhlkaltselanardeskktandmihae nmrlgrdkyktlrqirqgntkqridefesm
>1ef1D (D:) aeasadlradamakdrseeertteaeknervqkhlkaltselanardeskktandmihae nmrlgrdkyktlrqirqgntkqridefesm