Chains and heterogens:
PDB Chain Sequences:
>2choA (A:) qnvslqpppqqlivqnktidlpavyqlnggeeanphavkvlkellsgkqsskkgmlisig ekgdksvrkysrqipdhkegyylsvnekeivlagndergtyyalqtfaqllkdgklpeve ikdypsvryrgvvegfygtpwshqarlsqlkfygknkmntyiygpkddpyhsapnwrlpy pdkeaaqlqelvavanenevdfvwaihpgqdikwnkedrdlllakfekmyqlgvrsfavf fddisgegtnpqkqaellnyidekfaqvkpdinqlvmcpteynkswsnpngnylttlgdk lnpsiqimwtgdrvisditrdgiswinerikrpayiwwnfpvsdyvrdhlllgpvygndt tiakemsgfvtnpmehaesskiaiysvasyawnpakydtwqtwkdairtilpsaaeelec famhnsdlgpnghgyrreesmdiqpaaerflkafkegknydkadfetlqytfermkesad illmntenkpliveitpwvhqfkltaemgeevlkmvegrnesyflrkynhvkalqqqmfy idqtsnqnpyqpgvktatrvikplidrtfatvvkffnqkfnahldattdymphkmisnve qiknlplqvkanrvlispanevvkwaagnsveieldaiypgeniqinfgkdapctwgrle istdakewktvdlkqkesrlsaglqkapvkfvrftnvsdeeqqvylrqfvltiekk
>2choA (A:) lqpppqqlivqnktidlpavyqlnggeeanphavkvlkellgmlisigekgdksvrkysr qipdhkegyylsvnekeivlagndergtyyalqtfaqllkdgklpeveikdypsvryrgv vegfygtpwshqarlsqlkfygknkmntyiygpkddpyhsapnwrlpypdkeaaqlqelv avanenevdfvwaihpgqdikwnkedrdlllakfekmyqlgvrsfavffddisgegtnpq kqaellnyidekfaqvkpdinqlvmcpteynkswsnpngnylttlgdklnpsiqimwtgd rvisditrdgiswinerikrpayiwwnfpvsdyvrdhlllgpvygndttiakemsgfvtn pmehaesskiaiysvasyawnpakydtwqtwkdairtilpsaaeelecfamhnsdlgpng hgyrreesmdiqpaaerflkafkegknydkadfetlqytfermkesadillmntenkpli veitpwvhqfkltaemgeevlkmvegrnesyflrkynhvkalqqqmfyidqtsnqnpyqp gvktatrvikplidrtfatvvkffnqkfnahldattdymphkmnlplqvkanrvlispve ieldaiypgeniqinfrlsaglqkapvkfvrfqfvltiekk
>2choB (B:) qnvslqpppqqlivqnktidlpavyqlnggeeanphavkvlkellsgkqsskkgmlisig ekgdksvrkysrqipdhkegyylsvnekeivlagndergtyyalqtfaqllkdgklpeve ikdypsvryrgvvegfygtpwshqarlsqlkfygknkmntyiygpkddpyhsapnwrlpy pdkeaaqlqelvavanenevdfvwaihpgqdikwnkedrdlllakfekmyqlgvrsfavf fddisgegtnpqkqaellnyidekfaqvkpdinqlvmcpteynkswsnpngnylttlgdk lnpsiqimwtgdrvisditrdgiswinerikrpayiwwnfpvsdyvrdhlllgpvygndt tiakemsgfvtnpmehaesskiaiysvasyawnpakydtwqtwkdairtilpsaaeelec famhnsdlgpnghgyrreesmdiqpaaerflkafkegknydkadfetlqytfermkesad illmntenkpliveitpwvhqfkltaemgeevlkmvegrnesyflrkynhvkalqqqmfy idqtsnqnpyqpgvktatrvikplidrtfatvvkffnqkfnahldattdymphkmisnve qiknlplqvkanrvlispanevvkwaagnsveieldaiypgeniqinfgkdapctwgrle istdakewktvdlkqkesrlsaglqkapvkfvrftnvsdeeqqvylrqfvltiekk
>2choB (B:) lqpppqqlivqnktidlpavyqlnggeeanphavkvlkellgmlisigekgdksvrkysr qipdhkegyylsvnekeivlagndergtyyalqtfaqllkdgklpeveikdypsvryrgv vegfygtpwshqarlsqlkfygknkmntyiygpkddpyhsapnwrlpypdkeaaqlqelv avanenevdfvwaihpgqdikwnkedrdlllakfekmyqlgvrsfavffddisgegtnpq kqaellnyidekfaqvkpdinqlvmcpteynkswsnpngnylttlgdklnpsiqimwtgd rvisditrdgiswinerikrpayiwwnfpvsdyvrdhlllgpvygndttiakemsgfvtn pmehaesskiaiysvasyawnpakydtwqtwkdairtilpsaaeelecfamhnsdlgpng hgyrreesmdiqpaaerflkafkegknydkadfetlqytfermkesadillmntenkpli veitpwvhqfkltaemgeevlkmvegrnesyflrkynhvkalqqqmfyidqtsnqnpyqp gvktatrvikplidrtfatvvkffnqkfnahldattdymphkmnlplqvkanrvlispve ieldaiypgeniqinfrlsaglqkapvkfvrffvltiek