>3k1aA (A:) observed residues (from ATOM records)
sreevesliqevlevypekarkdrnkhlavnciisnkksqpglmtirgcayagskgivwg
pikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdivfggdkklak
lidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrcegfrgvsqsl
ghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrilleemglrcvaqw
sgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgptktieslraia
akfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhvigayedlgme
vvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligsgikekfifqk
mgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe