>1rvf2 (2:) observed residues (from ATOM records)
gysdrvqqitlgnstittqeaanavvcyaewpeylpdvdasdvnktskpdtsvcrfytld
sktwttgskgwcwklpdalkdmgvfgqnmffhslgrsgytvhvqcnatkfhsgcllvvvi
pehqlasheggnvsvkytfthpgergidlssanevggpvkdvlynmngtllgnllifphq
finlrtnntativipyinsvpidsmtrhnnvslmvipiapltvptgatpslpitvtiapm
ctefsgirsksivpq