>4ptd_ (-) observed residues (from ATOM records)
assvnelenwskwmqpipdsiplarisipgthdsgtfklqnpikqvwgmtqeydfryqmd
hgarifdirgrltddntivlhhgplylyvtlhefineakqflkdnpsetiimslkkeyed
mkgaedsfsstfekkyfvdpiflktegniklgdargkivllkrysgsnepggynnfywpd
netftttvnqnanvtvqdkykvsydekvksikdtmdetmnnsedlnhlyinftslssggt
awnspyyyasyinpeianyikqknparvgwviqnyinekwspllyqeviranksli