>3gfvB (B:) observed residues (from ATOM records)
keqitvkhqldkngtkvpknpkkvvvfdfgsldtldklglddivaglpkqvlpkylskfk
ddkyadvgslkepdfdkvaeldpdliiisarqsesykefskiaptiylgvdtakymesfk
sdaetigkifdkedkvkdelanidhsiadvkktaeklnknglvimandgkisafgpksry
glihdvfgvapadqnikasthgqsvsyeyisktnpdylfvidrgtaigetsstkqvvend
yvknvnavknghviyldsatwylsggglesmtqmikevkdgleke