Chains and heterogens:
PDB Chain Sequences:
>6at2A (A:) mrvnngltpqeleaygisdvhdivynpsydllyqeeldpsltgyergvltnlgavavdtg iftgrspkdkyivrddttrdtfwwadkgkgkndnkplspetwqhlkglvtrqlsgkrlfv vdafcganpdtrlsvrfitevawqahfvknmfirpsdeelagfkpdfivmngakctnpqw keqglnsenfvafnltermqliggtwygnemkkgmfsmmnyllplkgiasmhcsanvgek gdvavffglsgtgkttlstdpkrrligddehgwdddgvfnfeggcyaktiklskeaepei ynairrdallenvtvredgtidfddgsktentrvsypiyhidnivkpvskaghatkvifl tadafgvlppvsrltadqtqyhflsgftaklagtergiteptptfsacfgaaflslhptq yaevlvkrmqaagaqaylvntgwngtgkrisikdtraiidailngsldnaetftlpmfnl aiptelpgvdtkildprntyaspeqwqekaetlaklfidnfdkytdtpagaalvaagpkl hhhhhh
>6at2A (A:) gltpqeleaygisdvhdivynpsydllyqeeldpsltgyergvltnlgavavdtgiftgr spkdkyivrddttrdtfwwadkgkndnkplspetwqhlkglvtrqlsgkrlfvvdafcga npdtrlsvrfitevawqahfvknmfirpsdeelagfkpdfivmngakctnpqwkeqglns enfvafnltermqliggtwygnemkkgmfsmmnyllplkgiasmhcsanvgekgdvavff glsgtgkttlstdpkrrligddehgwdddgvfnfeggcyaktiklskeaepeiynairrd allenvtvredgtidfddgsktentrvsypiyhidnivkpvskaghatkvifltadafgv lppvsrltadqtqyhflsgftaklagtergiteptptfsacfgaaflslhptqyaevlvk rmqaagaqaylvntgwngtgkrisikdtraiidailngsldnaetftlpmfnlaiptelp gvdtkildprntyaspeqwqekaetlaklfidnfdkytdtpagaalvaagpklhh