Chains and heterogens:
PDB Chain Sequences:
>4n64A (A:) dkiclghhavsngtkvntltergvevvnatetvertnipricskgkrtvdlgqcgllgti tgppqcdqflefsadliierregsdvcypgkfvneealrqilresggidkeamgftysgi rtngatsacrrsgssfyaemkwllsntdnaafpqmtksykntrkspalivwgihhsvsta eqtklygsgnklvtvgssnyqqsfvpspgarpqvnglsgridfhwlmlnpndtvtfsfng afiapdrasflrgksmgiqsgvqvdancegdcyhsggtiisnlpfqnidsravgkcpryv kqrslllatgmknvpeipkgr
>4n64A (A:) dkiclghhavsngtkvntltergvevvnatetvertnipricskgkrtvdlgqcgllgti tgppqcdqflefsadliierregsdvcypgkfvneealrqilresggidkeamgftysgi rtngatsacrrsgssfyaemkwllsntdnaafpqmtksykntrkspalivwgihhsvsta eqtklygsgnklvtvgssnyqqsfvpspgarpqvnglsgridfhwlmlnpndtvtfsfng afiapdrasflrgksmgiqsgvqvdancegdcyhsggtiisnlpfqnidsravgkcpryv kqrslllatgmknvpeip
>4n64B (B:) glfgaiagfiengweglidgwygfrhqnaqgegtaadykstqsaidqitgklnrliektn qqfelidnefnevekqignvinwtrdsitevwsynaellvamenqhtidladsemdklye rvkrqlrenaeedgtgcfeifhkcdddcmasirnntydhskyreeamqnriqidpvsgrl vpr
>4n64B (B:) gaiagfiengweglidgwygfrhqnaqgegtaadykstqsaidqitgklnrliektnqqf elidnefnevekqignvinwtrdsitevwsynaellvamenqhtidladsemdklyervk rqlrenaeedgtgcfeifhkcdddcmasirnntydhskyreeamqnriq
>4n64C (C:) dkiclghhavsngtkvntltergvevvnatetvertnipricskgkrtvdlgqcgllgti tgppqcdqflefsadliierregsdvcypgkfvneealrqilresggidkeamgftysgi rtngatsacrrsgssfyaemkwllsntdnaafpqmtksykntrkspalivwgihhsvsta eqtklygsgnklvtvgssnyqqsfvpspgarpqvnglsgridfhwlmlnpndtvtfsfng afiapdrasflrgksmgiqsgvqvdancegdcyhsggtiisnlpfqnidsravgkcpryv kqrslllatgmknvpeipkgr
>4n64C (C:) dkiclghhavsngtkvntltergvevvnatetvertnipricskgkrtvdlgqcgllgti tgppqcdqflefsadliierregsdvcypgkfvneealrqilresggidkeamgftysgi rtngatsacrrsgssfyaemkwllsntdnaafpqmtksykntrkspalivwgihhsvsta eqtklygsgnklvtvgssnyqqsfvpspgarpqvnglsgridfhwlmlnpndtvtfsfng afiapdrasflrgksmgiqsgvqvdancegdcyhsggtiisnlpfqnidsravgkcpryv kqrslllatgmknvpeip
>4n64D (D:) glfgaiagfiengweglidgwygfrhqnaqgegtaadykstqsaidqitgklnrliektn qqfelidnefnevekqignvinwtrdsitevwsynaellvamenqhtidladsemdklye rvkrqlrenaeedgtgcfeifhkcdddcmasirnntydhskyreeamqnriqidpvsgrl vpr
>4n64D (D:) gaiagfiengweglidgwygfrhqnaqgegtaadykstqsaidqitgklnrliektnqqf elidnefnevekqignvinwtrdsitevwsynaellvamenqhtidladsemdklyervk rqlrenaeedgtgcfeifhkcdddcmasirnntydhskyreeamqnriq