>6s2aA (A:) observed residues (from ATOM records)
tssvnelenwskwmqpipdsiplarisipgthdsgtfklqnpikqvwgmtqeydfryqmd
hgarifdirgrltddntivlhagplylyvtlhefineakqflkdnpsetiimslkkeyed
mkgaedsfsstfekkyfvdpiflktegniklgdargkivllkrysgsnepggynnfywpd
netftttvnqnanvtvqdkykvsydekvksikdtmdetmnnsedlnhlyinftslssggt
awnspyyyasyinpeianyikqknparvgwviqdyinekwspllyqeviranksli