Chains and heterogens:
PDB Chain Sequences:
>1agxA (A:) knnvvivatggtiagagasstnsatysaakvpvdalikavpqvndlanitgiqalqvase sitdkellslarqvndlvkkpsvngvvithgtdtmeetafflnlvvhtdkpivlvgsmrp stalsadgplnlysavalassneaknkgvmvlmndsifaardvtkginihthafvsqwga lgtlvegkpywfrssvkkhtnnsefniekiqgdalpgvqivygsdnmmpdayqafakagv kaiihagtgngsmanylvpevrklhdeqglqivrssrvaqgfvlrnaeqpddkygwiaah dlnpqkarllmalaltktndakeiqnmfwny