>4pq9A (A:) observed residues (from ATOM records)
qsgpylfhdefdgpagsapdsskwtvarareemkdptywerpenvgqyrddrqnvfldgk
snlviraakdggtyyagkiqspwrggightwearikfdcltagcwpawwlgnqdrgeidi
iewygngswpsattvhakangsewktrnvaldsgwhtwrcqwdetgmrfwqdyaegaqpy
ftvaahslpdwpfndpgytvfpvlnlavagsgggdprpgsypaqmlvdwvrvw