Chains and heterogens:
PDB Chain Sequences:
>4rn1A (A:) meepeepadsgqslvpvyiyspeyvsmcdslakipkradmvhslieayalhkqmrivkpk vasmeematfhtdaylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggati taaqclidgmckvainwsggwhhakkdeasgfcylndavlgilrlrrkferilyvdldlh hgdgvedafsftskvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdeky yqicesvlkevyqafnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatli lggggynlantarcwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrneph riqqilnyikgnlkhvviegrgshhhhhh
>4rn1A (A:) lvpvyiyspeyvsmcdslakipkradmvhslieayalhkqmrivkpkvasmeematfhtd aylqhlqkvsqegddsieyglgydcpategifdyaaaiggatitaaqclidgmckvainw sggwhhakkdeasgfcylndavlgilrlrrkferilyvdldlhhgdgvedafsftskvmt vslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdekyyqicesvlkevyqafnp kavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatlilggggynlantarcwty ltgvilgktlsseipdhefftaygpdyvleitpscrpdrnephriqqilnyikgnlkhvv i
>4rn1B (B:) meepeepadsgqslvpvyiyspeyvsmcdslakipkradmvhslieayalhkqmrivkpk vasmeematfhtdaylqhlqkvsqegdddhpdsieyglgydcpategifdyaaaiggati taaqclidgmckvainwsggwhhakkdeasgfcylndavlgilrlrrkferilyvdldlh hgdgvedafsftskvmtvslhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdeky yqicesvlkevyqafnpkavvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatli lggggynlantarcwtyltgvilgktlsseipdhefftaygpdyvleitpscrpdrneph riqqilnyikgnlkhvviegrgshhhhhh
>4rn1B (B:) slvpvyiyspeyvsmcdslakipkradmvhslieayalhkqmrivkpkvasmeematfht daylqhlqkvsqdhpdsieyglgcpategifdyaaaiggatitaaqclidgmckvainws ggwhhakkdeasgfcylndavlgilrlrrkferilyvdldlhhgdgvedafsftskvmtv slhkfspgffpgtgdvsdvglgkgryysvnvpiqdgiqdekyyqicesvlkevyqafnpk avvlqlgadtiagdpmcsfnmtpvgigkclkyilqwqlatlilggggynlantarcwtyl tgvilgktlsseipdhefftaygpdyvleitpscrpdrnephriqqilnyikgnlkhvv