sequence of FOS FOSLA_DROME AP-1 AP1 CG15507 CG15509 CG33956 D-Fos D-fos DFOS DFos DFra Dfos Fos Fos-related antigen Fra IMR:0002424 Transcription factor kayak, isoforms A/B/F UniProt:P21525 c-Fos d-fos dAP-1 dFRA dFos dFra dlhD dorsal holes D fos kay kayak molecule_role shroud sro