>1b6sA (A:) observed residues (from ATOM records)
mkqvcvlgngqlgrmlrqageplgiavwpvgldaepaavpfqqsvitaeierwpetaltr
elarhpafvnrdvfpiiadrltqkqlfdklhlptapwqllaersewpavfdrlgelaivk
rrtgggqwrlraneteqlpaecygeciveqginfsgevslvgargfdgstvfyplthnlh
qdgilrtsvafpqanaqqqaraeemlsaimqelgyvgvmamecfvtpqgllinelaprvh
nsghwtqngasisqfelhlraitdlplpqpvvnnpsvminligsdvnydwlklplvhlhw
ydkevrpgrkvghlnltdsdtsrltatlealipllppeyasgviwaqskfg