>1w57A (A:) observed residues (from ATOM records)
emslimlaagnstrfntkvkkqflrlgndplwlyatknlssfypfkkivvtssnitymkk
ftknyefieggdtraeslkkalelidsefvmvsdvarvlvsknlfdrlienldkadcitp
alkvadttlfdnealqrekikliqtpqisktkllkkaldqnleftddstaiaamggkiwf
vegeenarkltfkedlkkldlptpsfeiftgngfdvhefgenrplllagvqihptmglka
hsdgdvlahsltdailgaaglgdigelypdtdmkfknansmellkqaydkvreigfelin
idicvmaqspklkdfkqamqsniahtldldefrinvkattteklgfigrkegmavlssvn
lkyfdwtr