>1sgvA (A:) observed residues (from ATOM records)
atgpgivvidkpagmtshdvvgrcrrifatrrvghagtldpmatgvlvigieratkilgl
ltaapksyaatirlgqttstedaegqvlqsvpakhltieaidaamerlrgeilearpiri
drfellaarrrdqlididveidcssgtyiralardlgdalgvgghvtalrrtrvgrfeld
qarslddlaerpalslsldeacllmfarrdltaaeasaaangrslpavgidgvyaacdad
grviallrdegsrtrsvavlrp