Chains and heterogens:
PDB Chain Sequences:
>3s1eA (A:) laagtpalgddrgrpwpaslaalaldgklrtdsnataaastdfgnitsalpaavlypsst adlvallsaanstpgwpytiafrgrghslmgqafapggvvvnmaslgdaaapprinvsad gryvdaggeqvwidvlraslargvaprswtdylyltvggtlsnagisgqafrhgpqisnv lemdvitghgemvtcskqlnadlfdavlgglgqfgvitrariavepapararwvrlvytd faafsadqerltaprpggggasfgpmsyvegsvfvnqslatdlantgfftdadvarival agernattvysieatlnydnataaaaavdqelasvlgtlsyvegfafqrdvayaafldrv hgeevalnklglwrvphpwlnmfvprsriadfdrgvfkgilqgtdivgqlivyplnksmw ddgmsaatpsedvfyavsllfssvapndlarlqeqnrrilrfcdlagiqyktylarhtdr sdwvrhfgaakwnrfvemknkydpkrllspgqdifn
>3s1eA (A:) rpwpaslaalaldgklrtdsnataaastdfgnitsalpaavlypsstadlvallsaanst pgwpytiafrgrghslmgqafapggvvvnmaslgdaaapprinvsadgryvdaggeqvwi dvlraslargvaprswtdylyltvggtlsnagisgqafrhgpqisnvlemdvitghgemv tcskqlnadlfdavlgglgqfgvitrariavepapararwvrlvytdfaafsadqerlta prpasfgpmsyvegsvfvnqslatdlantgfftdadvarivalagernattvysieatln ydnataaaaavdqelasvlgtlsyvegfafqrdvayaafldrvhgeevalnklglwrvph pwlnmfvprsriadfdrgvfkgilqgtdivgqlivyplnksmwddgmsaatpsedvfyav sllfssvapndlarlqeqnrrilrfcdlagiqyktylarhtdrsdwvrhfgaakwnrfve mknkydpkrllspgqdifn