Chains and heterogens:
PDB Chain Sequences:
>3cr9A (A:) aprksvrwctispaeaakcakfqrnmkkvrgpsvscirktssfeciqaiaankadavtld gglvyeaglhpyklrpvaaevyqtrgkpqtryyavavvkkgsgfqlnqlqgvkschtglg rsagwnipigtlrpylnwtgppeplqkavanffsascvpcadgkqypnlcrlcagteadk cacssqepyfgysgafkclengagdvafvkdstvfenlpdeaerdkyellcpdntrkpvd afkechlarvpshavvarsvdgredliwkllhraqeefgrnkssafqlfgstpgeqdllf kdsalgfvripsqidsglylganyltatqnlretaaevaarrervvwcavgpeeerkckq wsdvsnrkvacasastteecialvlkgeadalnldggfiyvagkcglvpvlaenqksqns napdcvhrppegylavavvrksdadltwnslsgkkschtgvgrtaawnipmgllfnqtgs ckfdkffsqscapgadpqsslcalcvgnnenenkcmpnseeryygytgafrclaekagdv afvkdvtvlqntdgknsepwakdlkqedfellcldgtrkpvaeaeschlarapnhavvsq sdraqhlkkvlflqqdqfggngpdcpgkfclfksetknllfndnteclaelqgkttyeqy lgseyvtsitnlrrcsssplleacaflra