Chains and heterogens:
PDB Chain Sequences:
>1zctA (A:) mgsshhhhhhssglvprgshmtdqafvtlttndayakgalvlgsslkqhrtsrrlavltt pqvsdtmrkaleivfdevitvdildsgdsahltlmkrpelgvtltklhcwsltqyskcvf mdadtlvlaniddlfereelsaapdpgwpdcfnsgvfvyqpsvetynqllhvaseqgsfd ggdqgllntffnswattdirkhlpfiynlssisiysylpafkafganakvvhflgqtkpw nytydtktksvrseghdptmthpqflnvwwdifttsvvpllqqfglvqdt
>1zctA (A:) mtdqafvtlttndayakgalvlgsslkqhrtsrrlavlttpqvsdtmrkaleivfdevit vdildsgdsahltlmkrpelgvtltklhcwsltqyskcvfmdadtlvlaniddlfereel saapdpgwpdcfnsgvfvyqpsvetynqllhvaseqgsfdggdqgllntffnswattdir khlpfiynlssisiysylpafkafganakvvhflgqtkpwnytydtktksvrseghdppq flnvwwdifttsvvpllq
>1zctB (B:) mgsshhhhhhssglvprgshmtdqafvtlttndayakgalvlgsslkqhrtsrrlavltt pqvsdtmrkaleivfdevitvdildsgdsahltlmkrpelgvtltklhcwsltqyskcvf mdadtlvlaniddlfereelsaapdpgwpdcfnsgvfvyqpsvetynqllhvaseqgsfd ggdqgllntffnswattdirkhlpfiynlssisiysylpafkafganakvvhflgqtkpw nytydtktksvrseghdptmthpqflnvwwdifttsvvpllqqfglvqdt
>1zctB (B:) mtdqafvtlttndayakgalvlgsslkqhrtsrrlavlttpqvsdtmrkaleivfdevit vdildsgdsahltlmkrpelgvtltklhcwsltqyskcvfmdadtlvlaniddlfereel saapdpgwpdcfnsgvfvyqpsvetynqllhvaseqgsfdggdqgllntffnswattdir khlpfiynlssisiysylpafkafganakvvhflgqtkpwnytydtktksvrseghdppq flnvwwdifttsvvpllq