>5vztA (A:) observed residues (from ATOM records) asiklqssdgeifevdveiakqsvtiktmledlgmdpvplpnvnaailkkviqwcthhkd dpgtddipvwdqeflkvdqgtlfelilaanyldikglldvtcktvanmikgktpeeirkt fnikndfteeeeaqvrkenqwceek