>4qs5B (B:) observed residues (from ATOM records)
qdlktggeqgylriateeafatreiidvylrmirdgtadkgmvslwgfyaqspseratqi
lerlldlgerriadmdatgidkailaltspgvqplhdldeartlatrandtladacqkyp
drfigmgtvapqdpewsareihrgarelgfkgiqinshtqgryldeeffdpifralvevd
qplyihpatspdsmidpmleagldgaifgfgvetgmhllrlitigifdkypslqimvghm
gealpywlyrldymhqagvrsqryermkplkktiegylksnvlvtnsgvawepaikfcqq
vmgedrvmyamnypyqyvadevramdamdmsaqtkkkffqtnaekwfkl