>4wouA (A:) observed residues (from ATOM records)
aptnhqgllswveevaeltqpdrvvftdgseeefqrlcdqlveagtfirlnpekhknsyl
alsdpsdvarvesrtyicsakeidagptnnwmdpgemrsimkdlyrgcmrgrtmyvvpfc
mgplgaedpklgveitdseyvvvsmrtmtrmgkaalekmgddgffvkalhsvgaplepgq
kdvawpcsetkyithfpetreiwsygsgyggnallgkkcyslriasamahdegwlaehml
ilklispenkayyfaaafpsacgktnlamlqptipgwraetlgddiawmrfgkdgrlyav
npefgffgvapgtnwksnpnamrtiaagntvftnvaltddgdvwweglegdpqhlidwkg
ndwyfretetnaahpnsryctpmsqcpilapewddpqgvpisgilfggrrkttvplvtea
rdwqhgvfigatlgseqtaaaegkvgnvrrdpmamlpflgynvgdyfqhwinlgkhades
klpkvffvnwfrrgddgrflwpgfgensrvlkwivdriehkaggattpigtvpavedldl
dgldvdaadvaaalavdadewrqelplieewlqfvgeklptgvkdefdalkerlg