>3sptA (A:) observed residues (from ATOM records)
dtavlvlaagpgtrmrsdtpkvlhtlagrsmlshvlhaiaklapqrlivvlghdhqriap
lvgeladtlgrtidvalqdrplgtghavlcglsalpddyagnvvvtsgdtplldadtlad
liathravsaavtvltttlddpfgygrilrtqdhevmaiveqtdatpsqreirevnagvy
afdiaalrsalsrlssnnaqqelyltdviailrsdgqtvhashvddsalvagvnnrvqla
elaselnrrvvaahqlagvtvvdpattwidvdvtigrdtvihpgtqllgrtqiggrcvvg
pdttltdvavgdgasvvrthgssssigdgaavgpftylrpgtalgadgklgafvevknst
igtgtkvphltyvgdadigeysnigassvfvnydgtskrrttvgshvrtgsdtmfvapvt
igdgaytgagtvvredvppgalavsagpqrnienwvqrkrpgspaaqaskrase