Chains and heterogens:
PDB Chain Sequences:
>4cuoA (A:) qltptfyrstcpnvtsivrgviqdalqtdlripaslirlhfhdcfvngcdgsllldnsdt iesekqaapnnnsargfdvvdniktavenacpgvvscadiltiaaeqsvwlsggpswpvp lgrrdsltanrtlanqtlpspfltldqlktdfsdqglnttdlvalsgahtfgraqcqffs qrlynfsatgspdptlnttlletlrnicpqggngstitnldqttpdafdnkyfsnlqtqy gilqtdqelfstkganttaivtkfsanqsaffnsfvasmikmgnigvltxdegeirsncr svngga