Chains and heterogens:
PDB Chain Sequences:
>2i69A (A:) fnclgmsnrdflegvsgatwvdlvlegdscvtimskdkptidvkmmnmeaanlaevrsyc ylatvsdlstkaacptmgeahndkradpafvcrqgvvdrgwgngcglfgkgsidtcakfa cstkaigrtilkenikyevaifvhgpttveshgnystqvgatqagrfsitpaapsytlkl geygevtvdceprsgidtnayyvmtvgtktflvhrewfmdlnlpwssagstvwrnretlm efeephatkqsvialgsqegalhqalagaipvefssntvkltsghlkcrvkmeklqlkgt tygvcskafkflgtpadtghgtvvlelqytgtdgpckvpissvaslndltpvgrlvtvnp fvsvatanakvlieleppfgdsyivvgrgeqqinhhwhksgss