Chains and heterogens:
PDB Chain Sequences:
>4n2fA (A:) mghhhhhhhhhhssghiegrhmlrertvrlqygsrveavyvlgtylwtdvysaapagaqt fslkhsehvwvevvrdgeaeevatngkqrwllspsttlrvtmsqasteassdkvtvnyyd eegsipidqaglfltaieisldvdadrdgvveknnpkkaswtwgpegqgaillvncdret pwlpkedcraekvyskedlkdmsqmilrtkgpdrlpagyeivlyismsdsdkvgvfyven pffgqryihilgrrklyhvvkytggsaellffveglcfpdegfsglvsihvslleymaqd ipltpiftdtvifriapwimtpnilppvsvfvccmkdnylflkevknlvektncelkvcf qylnrgdrwiqdeiefgyieaphkgfpvvldsprdgnlkdfpvkellgpdfgyvtreplf esvtsldsfgnlevsppvtvngktyplgriligssfplsggrrmtkvvrdflkaqqvqap velysdwltvghvdefmsfvpipgtkkflllmastsacyklfrekqkdghgeaimfkglg gmsskritinkilsneslvqenlyfqrcldwnrdilkkelglteqdiidlpalfkmdedh raraffpnmvnmivldkdlgipkpfgpqveeecclemhvrglleplglectfiddisayh kflgevhcgtnvrrkpftfkwwhmvpsrrs
>4n2fA (A:) lrertvrlqygsrveavyvlgtylwtdvysaapagaqtfslkhsehvwvevvrdgeaeev atngkqrwllspsttlrvtmsqasteassdkvtvnyydeegsipidqaglfltaieisld vdadrdgvveknnpkkaswtwgpegqgaillvncdlkdmsqmilrtkgpdrlpagyeivl yismsdsdkvgvfyvenpffgqryihilgrrklyhvvkytggsaellffveglcfpdegf sglvsihvslleymaqdipltpiftdtvifriapwimtpnilppvsvfvccmkdnylflk evknlvektncelkvcfqylnrgdrwiqdeiefgyieaphkgfpvvldsprdgellgpdf gyvtresvtsldsfgnlevsppvtvngktyplgriligssfplsggrrmtkvvrdflkaq qvqapvelysdwltvghvdefmsfvpipgtkkflllmastsacyklfrekqkdghgeaim fkglggmsskritinkilsneslvqenlyfqrcldwnrdilkkelglteqdiidlpalfk mdedhraraffpnmvnmivldkdlgipkpfgpqveeecclemhvrglleplglectfidd isayhkflgevhcgtnvrrkpftfkwwhmvpsr