Chains and heterogens:
PDB Chain Sequences:
>2v3qA (A:) dingggatlpqklyltpdvltagfapyigvgsgkgkiaflenkynqfgtdttknvhwags dskltatelatyaadkepgwgkliqvpsvatsvaipfrkaganavdlsvkelcgvfsgri adwsgitgagrsgpiqvvyraessgttelftrflnakcttepgtfavtttfansyslglt plagavaatgsdgvmaalndttvaegrityispdfaaptlaglddatkvarvgkgvvngv avegkspaaanvsaaisvvplpaaadrgnpdvwvpvfgattgggvvaypdsgypilgftn lifsqcyanatqtgqvrdfftkhygtsanndaaieanafvplpsnwkaavrasfltasna lsigntnvcngkgrpq