Chains and heterogens:
PDB Chain Sequences:
>4r8rA (A:) gplgsgtgsqgetlgekwkkklnqlsrkefdlykksgitevdrteakeglkrgetthhav srgsaklqwfvernmvipegrvidlgcgrggwsyycaglkkvtevrgytkggpgheepvp mstygwnivklmsgkdvfylppekcdtllcdigesspsptveesrtirvlkmvepwlknn qfcikvlnpymptviehlerlqrkhggmlvrnplsrnsthemywisngtgnivssvnmvs rlllnrftmthrrptiekdvdlgagtr
>4r8rA (A:) etlgekwkkklnqlsrkefdlykksgitevdrteakeglkrgetthhavsrgsaklqwfv ernmvipegrvidlgcgrggwsyycaglkkvtevrgytkggpgheepvpmstygwnivkl msgkdvfylppekcdtllcdigesspsptveesrtirvlkmvepwlknnqfcikvlnpym ptviehlerlqrkhggmlvrnplsrnsthemywisngtgnivssvnmvsrlllnrftmth rrptiekdvdlgagtr
>4r8rB (B:) gplgsgtgsqgetlgekwkkklnqlsrkefdlykksgitevdrteakeglkrgetthhav srgsaklqwfvernmvipegrvidlgcgrggwsyycaglkkvtevrgytkggpgheepvp mstygwnivklmsgkdvfylppekcdtllcdigesspsptveesrtirvlkmvepwlknn qfcikvlnpymptviehlerlqrkhggmlvrnplsrnsthemywisngtgnivssvnmvs rlllnrftmthrrptiekdvdlgagtr
>4r8rB (B:) etlgekwkkklnqlsrkefdlykksgitevdrteakeglkrgetthhavsrgsaklqwfv ernmvipegrvidlgcgrggwsyycaglkkvtevrgytkggpgheepvpmstygwnivkl msgkdvfylppekcdtllcdigesspsptveesrtirvlkmvepwlknnqfcikvlnpym ptviehlerlqrkhggmlvrnplsrnsthemywisngtgnivssvnmvsrlllnrftmth rrptiekdvdlgagtr