>1r27B (B:) observed residues (from ATOM records)
mkirsqvgmvlnldkcigchtcsvtcknvwtsregveyawfnnvetkpgqgfptdwenqe
kykggwirkingklqprmgnramllgkifanphlpgiddyyepfdfdyqnlhtapegsks
qpiarprslitgermakiekgpnweddlggefdklakdknfdniqkamysqfentfmmyl
prlcehclnpacvatcpsgaiykreedgivlidqdkcrgwrmcitgcpykkiyfnwksgk
sekcifcyprieagqptvcsetcvgrirylgvllydadaieraastenekdlyqrqldvf
ldpndpkvieqaikdgiplsvieaaqqspvykmamewklalplhpeyrtlpmvwyvppls
piqsaadagelgsngilpdveslripvqylanlltagdtkpvlralkrmlamrhykraet
vdgkvdtraleevglteaqaqemyrylaianyedrfvvpsshrel