>3c4qB (B:) observed residues (from ATOM records)
mrvamismhtsplqqpgtgdsggmnvyilstatelakqgievdiytratrpsqgeivrva
enlrviniaagpyeglskeelptqlaaftggmlsftrrekvtydlihshywlsgqvgwll
rdlwriplihtahtlaavsdtpesearriceqqlvdnadvlavntqeemqdlmhhydadp
drisvvspgadvelyspgndratersrrelgiplhtkvvafvgrlqpfkgpqvlikavaa
lfdrdpdrnlrviicggpyrhmaeelgvekrirfldprppselvavyraadivavpsfne
sfglvameaqasgtpviaarvgglpiavaegetgllvdghsphawadalatlldddetri
rmgedavehartfswaataaqlsslyndaiane