Chains and heterogens:
PDB Chain Sequences:
>1g21A (A:) sreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtirgcay agskgvvwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdiv fggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrce gfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrillee mglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgptk tieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhvi gayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligsg ikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe
>1g21B (B:) sqqvdkikasyplfldqdykdmlakkrdgfeekypqdkidevfqwtttkeyqelnfqrea ltvnpakacqplgavlcalgfektmpyvhgsqgcvayfrsyfnrhfrepvscvsdsmted aavfggqqnmkdglqnckatykpdmiavsttcmaevigddlnafinnskkegfipdefpv pfahtpsfvgshvtgwdnmfegiaryftlksmddkvvgsnkkinivpgfetylgnfrvik rmlsemgvgysllsdpeevldtpadgqfrmyaggttqeemkdapnalntvllqpwhlekt kkfvegtwkhevpklnipmgldwtdeflmkvseisgqpipasltkergrlvdmmtdshtw lhgkrfalwgdpdfvmglvkfllelgcepvhilchngnkrwkkavdailaaspygknatv yigkdlwhlrslvftdkpdfmignsygkfiqrdtlhkgkefevplirigfpifdrhhlhr sttlgyegamqilttlvnsilerldeetrgmqatdynhdlvr
>1g21C (C:) sreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtirgcay agskgvvwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdiv fggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrce gfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrillee mglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgptk tieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhvi gayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligsg ikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe
>1g21D (D:) sqqvdkikasyplfldqdykdmlakkrdgfeekypqdkidevfqwtttkeyqelnfqrea ltvnpakacqplgavlcalgfektmpyvhgsqgcvayfrsyfnrhfrepvscvsdsmted aavfggqqnmkdglqnckatykpdmiavsttcmaevigddlnafinnskkegfipdefpv pfahtpsfvgshvtgwdnmfegiaryftlksmddkvvgsnkkinivpgfetylgnfrvik rmlsemgvgysllsdpeevldtpadgqfrmyaggttqeemkdapnalntvllqpwhlekt kkfvegtwkhevpklnipmgldwtdeflmkvseisgqpipasltkergrlvdmmtdshtw lhgkrfalwgdpdfvmglvkfllelgcepvhilchngnkrwkkavdailaaspygknatv yigkdlwhlrslvftdkpdfmignsygkfiqrdtlhkgkefevplirigfpifdrhhlhr sttlgyegamqilttlvnsilerldeetrgmqatdynhdlvr
>1g21E (E:) mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntimema aeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddldf vfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlggl icnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyra larkvvdnkllvipnpitmdeleellme
>1g21F (F:) mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntimema aeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddldf vfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlggl icnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyra larkvvdnkllvipnpitmdeleellm
>1g21G (G:) mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntimema aeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddldf vfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlggl icnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyra larkvvdnkllvipnpitmdeleellme
>1g21H (H:) mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntimema aeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddldf vfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlggl icnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyra larkvvdnkllvipnpitmdeleellme