>1itwB (B:) observed residues (from ATOM records)
stpkiiytltdeapalatysllpiikaftgssgiavetrdislagrliatfpeyltdtqk
isddlaelgklattpdaniiklpnisasvpqlkaaikelqqqgyklpdypeepktdtekd
vkarydkikgsavnpvlregnsdrraplsvknyarkhphkmgawsadskshvahmdngdf
ygsekaaligapgsvkieliakdgsstvlkaktsvqageiidssvmsknalrnfiaaeie
dakkqgvllsvhlkatmmkvsdpimfgqivsefykdaltkhaevlkqigfdvnngigdly
ariktlpeakqkeieadiqavyaqrpqlamvnsdkgitnlhvpsdvivdasmpamirdsg
kmwgpdgklhdtkavipdrcyagvyqvviedckqhgafdpttmgsvpnvglmaqkaeeyg
shdktfqipadgvvrvtdesgkllleqsveagdiwrmcqakdapiqdwvklavnraratn
tpavfwldparahdaqviakverylkdydtsgldirilspveatrfslariregkdtisv
tgnvlrdyltdlfpimelgtsakmlsivplmsggglfetgaggsapkhvqqfleegylrw
dslgeflalaaslehlgnayknpkalvlastldqatgkildnnksparkvgeidnrgshf
ylalywaqalaaqtedkelqaqftgiakaltdnetkivgelaaaqgkpvdiagyyhpntd
ltskamrpsatfnaalapla