>1b6rA (A:) observed residues (from ATOM records)
mkqvcvlgngqlgrmlrqageplgiavwpvgldaepaavpfqqsvitaeierwpetaltr
qlarhpafvnrdvfpiiadrltqkqlfdklhlptapwqllaersewpavfdrlgelaivk
rrtgqwrlraneteqlpaecygeciveqginfsgevslvgargfdgstvfyplthnlhqd
gilrtsvafpqanaqqqaraeemlsaimqelgyvgvmamecfvtpqgllinelaprvhns
ghwtqngasisqfelhlraitdlplpqpvvnnpsvminligsdvnydwlklplvhlhwyd
kevrpgrkvghlnltdsdtsrltatlealipllppeyasgviwaqskfg