Chains and heterogens:
PDB Chain Sequences:
>4qa0A (A:) meepeepadsgqslvpvyiyspeyvsmcdslakipkrasmvhslieayalhkqmrivkpk vasmeematfhtdaylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggati taaqclidgmckvainwsggwhhakkdeasgffylndavlgilrlrrkferilyvdldlh hgdgvedafsftskvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdeky yqicesvlkevyqafnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatli lggggynlantarcwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrneph riqqilnyikgnlkhvviegrgshhhhhh
>4qa0A (A:) lvpvyiyspeyvsmcdslakipkrasmvhslieayalhkqmrivkpkvasmeematfhtd aylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggatitaaqclidgmckv ainwsggwhhakkdeasgffylndavlgilrlrrkferilyvdldlhhgdgvedafsfts kvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdekyyqicesvlkevyq afnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatlilggggynlantar cwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrnephriqqilnyikgnl khvviegrgsh
>4qa0B (B:) meepeepadsgqslvpvyiyspeyvsmcdslakipkrasmvhslieayalhkqmrivkpk vasmeematfhtdaylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggati taaqclidgmckvainwsggwhhakkdeasgffylndavlgilrlrrkferilyvdldlh hgdgvedafsftskvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdeky yqicesvlkevyqafnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatli lggggynlantarcwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrneph riqqilnyikgnlkhvviegrgshhhhhh
>4qa0B (B:) lvpvyiyspeyvsmcdslakipkrasmvhslieayalhkqmrivkpkvasmeematfhtd aylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggatitaaqclidgmckv ainwsggwhhakkdeasgffylndavlgilrlrrkferilyvdldlhhgdgvedafsfts kvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdekyyqicesvlkevyq afnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatlilggggynlantar cwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrnephriqqilnyikgnl khvv