>4q89A (A:) observed residues (from ATOM records)
mtlekfvdalpipdtlkpvqqskektyyevtmeecthqlhrdlpptrlwgynglfpgpti
evkrnenvyvkwmnnlpsthflpidhtihqheepevktvvhlhggvtpddsdgypeawfs
kdfeqtgpyfkrevyhypnqqrgailwyhdhamaltrlnvyaglvgayiihdpkekrlkl
psdeydvpllitdrtinedgslfypsapenpspslpnpsivpafcgetilvngkvwpyle
veprkyrfrvinasntrtynlsldnggdfiqigsdggllprsvklnsfslapaerydiii
dftayegesiilansagcggdvnpetdanimqfrvtkplaqkdesrkpkylasyiqnirt
lklagtqdeygrpvlllnnkrwhdpvtetpkvgtteiwsiinptrgthpihlhlvsfrvl
drrpfdiaryqesgelsytgpavppppsekgwkdtiqahagevlriaatfgpysgryvwh
chilehedydmmrpmditdph