>4dc0A (A:) observed residues (from ATOM records)
qdsevalvtgatsgigleiarrlgkeglrvfvcargeeglrttlkelreagveadgrtcd
vrsvpeiealvaavverygpvdvlvnnagrpgggataeladelwldvvetnltgvfrvtk
qvlkaggmlergtgrivniastggkqgvvhaapysaskhgvvgftkalglelartgitvn
avcpgwvetpmaasvrehysdiwevsteeafdritarvpigryvqpsevaemvayligpg
aaavtaqalnvcgglgny