>2q4kA (A:) observed residues (from ATOM records)
edgftaehlaaeamaadmdpwlvfdarttpateldawlakyppsqvtrygdpgspnsepv
gwiavygqgyspnsgdvqglqaawealqtsgrpitpgtlrqlaithhvlsgkwlmhlapg
fkldhawagiaravvegrlqvakvsprakeggrqvicvytddftdrlgvleadsairaag
ikclltykpdvytylgiyranrwhlcptlyesrfqgsrvldrannvel