Chains and heterogens:
PDB Chain Sequences:
>4r2nA (A:) mvtarlrpelaglpvyvpgktvpgaiklasnetvfgplpsvraaidratdtvnrypdngc vqlkaalarhlgpdfapehvavgcgsvslcqqlvqvtasvgdevvfgwrsfelyppqvrv agaipiqvpltdhtfdlyamlatvtdrtrlifvcnpnnptstvvgpdalarfveavpahi liaideayveyirdgmrpdslglvrahnnvvvlrtfskayglaglrigyaighpdvital dkvyvpftvssigqaaaiasldaadellartdtvvaerarvsaelraagftlppsqanfv wlplgsrtqdfveqaadarivvrpygtdgvrvtvaapeendaflrfarrwrsdqklaaal ehhhhhh
>4r2nA (A:) vtarlrpelaglpvyvpgktvpgaiklasnetvfgplpsvraaidratdtvnrypdngcv qlkaalarhlgpdfapehvavgcgsvslcqqlvqvtasvgdevvfgwrsfelyppqvrva gaipiqvpltdhtfdlyamlatvtdrtrlifvcnpnnptstvvgpdalarfveavpahil iaideayveyirdgmrpdslglvrahnnvvvlrtfskayglaglrigyaighpdvitald kvyvpftvssigqaaaiasldaadellartdtvvaerarvsaelraagftlppsqanfvw lplgsrtqdfveqaadarivvrpygtdgvrvtvaapeendaflrfarrwrsdq
>4r2nB (B:) mvtarlrpelaglpvyvpgktvpgaiklasnetvfgplpsvraaidratdtvnrypdngc vqlkaalarhlgpdfapehvavgcgsvslcqqlvqvtasvgdevvfgwrsfelyppqvrv agaipiqvpltdhtfdlyamlatvtdrtrlifvcnpnnptstvvgpdalarfveavpahi liaideayveyirdgmrpdslglvrahnnvvvlrtfskayglaglrigyaighpdvital dkvyvpftvssigqaaaiasldaadellartdtvvaerarvsaelraagftlppsqanfv wlplgsrtqdfveqaadarivvrpygtdgvrvtvaapeendaflrfarrwrsdqklaaal ehhhhhh
>4r2nB (B:) vtarlrpelaglpvyvpgktvpgaiklasnetvfgplpsvraaidratdtvnrypdngcv qlkaalarhlgpdfapehvavgcgsvslcqqlvqvtasvgdevvfgwrsfelyppqvrva gaipiqvpltdhtfdlyamlatvtdrtrlifvcnpnnptstvvgpdalarfveavpahil iaideayveyirdgmrpdslglvrahnnvvvlrtfskayglaglrigyaighpdvitald kvyvpftvssigqaaaiasldaadellartdtvvaerarvsaelraagftlppsqanfvw lplgsrtqdfveqaadarivvrpygtdgvrvtvaapeendaflrfarrwrsdq
>4r2nC (C:) mvtarlrpelaglpvyvpgktvpgaiklasnetvfgplpsvraaidratdtvnrypdngc vqlkaalarhlgpdfapehvavgcgsvslcqqlvqvtasvgdevvfgwrsfelyppqvrv agaipiqvpltdhtfdlyamlatvtdrtrlifvcnpnnptstvvgpdalarfveavpahi liaideayveyirdgmrpdslglvrahnnvvvlrtfskayglaglrigyaighpdvital dkvyvpftvssigqaaaiasldaadellartdtvvaerarvsaelraagftlppsqanfv wlplgsrtqdfveqaadarivvrpygtdgvrvtvaapeendaflrfarrwrsdqklaaal ehhhhhh
>4r2nC (C:) vtarlrpelaglpvyvpgktvpgaiklasnetvfgplpsvraaidratdtvnrypdngcv qlkaalarhlgpdfapehvavgcgsvslcqqlvqvtasvgdevvfgwrsfelyppqvrva gaipiqvpltdhtfdlyamlatvtdrtrlifvcnpnnptstvvgpdalarfveavpahil iaideayveyirdgmrpdslglvrahnnvvvlrtfskayglaglrigyaighpdvitald kvyvpftvssigqaaaiasldaadellartdtvvaerarvsaelraagftlppsqanfvw lplgsrtqdfveqaadarivvrpygtdgvrvtvaapeendaflrfarrwrsdq
>4r2nD (D:) mvtarlrpelaglpvyvpgktvpgaiklasnetvfgplpsvraaidratdtvnrypdngc vqlkaalarhlgpdfapehvavgcgsvslcqqlvqvtasvgdevvfgwrsfelyppqvrv agaipiqvpltdhtfdlyamlatvtdrtrlifvcnpnnptstvvgpdalarfveavpahi liaideayveyirdgmrpdslglvrahnnvvvlrtfskayglaglrigyaighpdvital dkvyvpftvssigqaaaiasldaadellartdtvvaerarvsaelraagftlppsqanfv wlplgsrtqdfveqaadarivvrpygtdgvrvtvaapeendaflrfarrwrsdqklaaal ehhhhhh
>4r2nD (D:) vtarlrpelaglpvyvpgktvpgaiklasnetvfgplpsvraaidratdtvnrypdngcv qlkaalarhlgpdfapehvavgcgsvslcqqlvqvtasvgdevvfgwrsfelyppqvrva gaipiqvpltdhtfdlyamlatvtdrtrlifvcnpnnptstvvgpdalarfveavpahil iaideayveyirdgmrpdslglvrahnnvvvlrtfskayglaglrigyaighpdvitald kvyvpftvssigqaaaiasldaadellartdtvvaerarvsaelraagftlppsqanfvw lplgsrtqdfveqaadarivvrpygtdgvrvtvaapeendaflrfarrwrsdq