Chains and heterogens:
PDB Chain Sequences:
>4uybA (A:) smsgrvgdlspkqaetlakfrenvqdvlpalpnpddyfllrwlrarnfdlqkseallrky mefrktmdidhildwqppeviqkympgglcgydrdgcpvwydiigpldpkgllfsvtkqd llktkmrdcerilhecdlqterlgkkietivmifdceglglkhfwkplvevyqeffglle enypetlkfmlivkatklfpvgynlmkpflsedtrrkiivlgnnwkegllklispeelpa qfggtltdpdgnpkcltkinyggeipksmyvrdqvktqyehsvqinrgsshqveyeilfp gcvlrwqfssdgadigfgvflktkmgerqragemtevlpsqrynahmvpedgnltcseag vyvlrfdntysfvhakkvsftvevllpdegmqkydkeltpv