>3r44A (A:) observed residues (from ATOM records)
ddkmknigwmlrqratvsprlqayvepstdvrmtyaqmnalanrcadvltalgiakgdrv
allmpnsvefcclfygaaklgavavpintrlaapevsfilsdsgskvviygapsapvida
iraqadppgtvtdwigadslaerlrsaaadepavecggddnlfimytsghpkgvvhthes
vhsaasswastidvryrdrlllplpmfhvaalttvifsamrgvtlismpqfdatkvwsli
veervciggavpailnfmrqvpefaeldapdfryfitggapmpealikiyaaknievvqg
yaltescgggtlllsedalrkagsagratmftdvavrgddgvirehgegevviksdillk
eywnrpeatrdafdngwfrtgdigeiddegylyikdrlkdmiisggenvypaeiesviig
vpgvsevaviglpdekwgeiaaaivvadqnevseqqiveycgtrlaryklpkkvifaeai
prnptgkilktvlreqysatvp