Chains and heterogens:
PDB Chain Sequences:
>4n2cA (A:) mghhhhhhhhhhssghiegrhmlrertvrlqygsrveavyvlgtylwtdvysaapagaqt fslkhsehvwvevvrdgeaeevatngkqrwllspsttlrvtmsqasteassdkvtvnyyd eegsipidqaglfltaieisldvdadrdgvveknnpkkaswtwgpegqgaillvncdret pwlpkedcrdekvyskedlkdmsqmilrtkgpdrlpagyeivlyismsdsdkvgvfyven paagqryihilgrrklyhvvkytggsaellffveglcfpdegfsglvsihvslleymaqd ipltpiftdtvifriapwimtpnilppvsvfvccmkdnylflkevknlvektncelkvcf qylnrgdrwiqdeiefgyieaphkgfpvvldsprdgnlkdfpvkellgpdfgyvtreplf esvtsldsfgnlevsppvtvngktyplgriligssfplsggrrmtkvvrdflkaqqvqap velysdwltvghvdefmsfvpipgtkkflllmastsacyklfrekqkdghgeaimfkglg gmsskritinkilsneslvqenlyfqrcldwnrdilkkelglteqdiidlpalfkmdedh raraffpnmvnmivldkdlgipkpfgpqveeecclemhvrglleplglectfiddisayh kflgevhcgtnvrrkpftfkwwhmvpsrrs
>4n2cA (A:) rertvrlqygsrveavyvlgtylwtdvysaapagaqtfslkhsehvwvevvrdgeaeeva tngkqrwllspsttlrvtmsqasteassdkvtvnyydeegsipidqaglfltaieisldv dadrdgvveknnpkkaswtwgpegqgaillvncdretpwlpkedcrdekvyskedlkdms qmilrtkgpdrlpagyeivlyismsdsdkvgvfyvenpaagqryihilgrrklyhvvkyt ggsaellffveglcfpdegfsglvsihvslleymaqdipltpiftdtvifriapwimtpn ilppvsvfvccmkdtncelkvcfqylnrgdrwiqdeiefgyieaphkgfpvvldsprdgn lkdfpvkellgpdfgyvtreplfesvtsldsfgnlevsppvtvngktyplgriligssfp lsggrrmtkvvrdflkaqqvqapvelysdwltvghvdefmsfvpipgtkkflllmastsa cyklfrekqkdghgeaimfkglggmsskritinkilsneslvqenlyfqrcldwnrdilk kelglteqdiidlpalfkmdedhraraffpnmvnmivldkdlgipkpfgpqveeecclem hvrglleplglectfiddhkflgevhcgtnvrrkpftfkwwhmvp