Chains and heterogens:
PDB Chain Sequences:
>4n44A (A:) mkevviasavrtaigsygkslkdvpavdlgataikeavkkagikpedvnevilgnvlqag lgqnparqasfkaglpveipamtinkvcgsglrtvslaaqiikagdadviiaggmenmsr apylannarwgyrmgnakfvdemitdglwdafndyhmgitaeniaerwnisreeqdefal asqkkaeeaiksgqfkdeivpvvikgrkgetvvdtdehprfgstieglaklkpafkkdgt vtagnasglndcaavlvimsaekakelgvkplakivsygsagvdpaimgygpfyatkaai ekagwtvdeldliesneafaaqslavakdlkfdmnkvnvnggaialghpigasgarilvt lvhamqkrdakkglatlcigggqgtaillekclehhhhhh
>4n44A (A:) mkevviasavrtaigsygkslkdvpavdlgataikeavkkagikpedvnevilgnvlqag lgqnparqasfkaglpveipamtinkvcgsglrtvslaaqiikagdadviiaggmenmsr apylannarwgyrmgnakfvdemitdglwdafndyhmgitaeniaerwnisreeqdefal asqkkaeeaiksgqfkdeivpvvikgrkgetvvdtdehprfgstieglaklkpafkkdgt vtagnasglndcaavlvimsaekakelgvkplakivsygsagvdpaimgygpfyatkaai ekagwtvdeldliesneafaaqslavakdlkfdmnkvnvnggaialghpigasgarilvt lvhamqkrdakkglatlcigggqgtaillekc
>4n44B (B:) mkevviasavrtaigsygkslkdvpavdlgataikeavkkagikpedvnevilgnvlqag lgqnparqasfkaglpveipamtinkvcgsglrtvslaaqiikagdadviiaggmenmsr apylannarwgyrmgnakfvdemitdglwdafndyhmgitaeniaerwnisreeqdefal asqkkaeeaiksgqfkdeivpvvikgrkgetvvdtdehprfgstieglaklkpafkkdgt vtagnasglndcaavlvimsaekakelgvkplakivsygsagvdpaimgygpfyatkaai ekagwtvdeldliesneafaaqslavakdlkfdmnkvnvnggaialghpigasgarilvt lvhamqkrdakkglatlcigggqgtaillekclehhhhhh
>4n44B (B:) mkevviasavrtaigsygkslkdvpavdlgataikeavkkagikpedvnevilgnvlqag lgqnparqasfkaglpveipamtinkvcgsglrtvslaaqiikagdadviiaggmenmsr apylannarwgyrmgnakfvdemitdglwdafndyhmgitaeniaerwnisreeqdefal asqkkaeeaiksgqfkdeivpvvikgrkgetvvdtdehprfgstieglaklkpafkkdgt vtagnasglndcaavlvimsaekakelgvkplakivsygsagvdpaimgygpfyatkaai ekagwtvdeldliesneafaaqslavakdlkfdmnkvnvnggaialghpigasgarilvt lvhamqkrdakkglatlcigggqgtaillekc