| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| Q9VZW5 | FMRFamide receptor; DFR; DrmFMRFa-R; Larval opioid receptor; | FR; FMRFaR; | NP_001261347.1;NP_001286925.1;NP_647758.1; | 549 | fruit fly | 
| Q9NFU0 | Fragile X mental retardation syndrome-related protein 1; dFMR1; dfxr; | Fmr1; FXR; | NP_611645.1;NP_731443.1;NP_731444.1;NP_731445.1;NP_731446.1; | 684 | fruit fly | 
| P10552 | FMRFamide-related peptides; [Cleaved into: FMRFamide A; Corticotropin-releasing factor-like; AAMDRY-amide; DPKQDFMRF-amide; TPAEDFMRF-amide; SDNFMRF-amide; SPKQDFMRF-amide; PDNFMRF-amide; SAPQDFVRS-amide; MDSNFIRF-amide]; | Fmrf; | NP_523669.2; | 347 | fruit fly | 
| Q24342 | Fringe glycosyltransferase; EC 2.4.1.222; O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase; | fng; | NP_524191.1; | 412 | fruit fly | 
| P40795 | Protein folded gastrulation; [Cleaved into: Protein folded gastrulation; G protein-coupled receptor ligand]; | fog; | NP_001033860.1;NP_001259781.1;NP_001259782.1;NP_001259783.1;NP_001259784.1;NP_523438.1; | 730 | fruit fly | 
| Q9VSL7 | Zinc transporter foi; Protein fear-of-intimacy; Protein kastchen; | foi; | NP_001261584.1;NP_001261585.1;NP_001286985.1;NP_523974.3; | 706 | fruit fly | 
| P54360 | Protein four-jointed; [Cleaved into: Protein four-jointed, secreted isoform]; | fj; | NP_477483.1; | 583 | fruit fly | 
| P21525 | Transcription factor kayak, isoforms A/B/F; AP-1; Fos-related antigen; Dfos; dFra; | kay; Fra; | NP_001027577.2;NP_001027578.1;NP_001027579.1; | 755 | fruit fly | 
| A8MPH9 | Transcription factor kayak, isoforms D/sro; AP-1; Fos-related antigen; Dfos; dFra; | kay; Fra; | NP_001027580.1; | 722 | fruit fly | 
| Q9VS05 | Forkhead box protein biniou; Forkhead box protein FoxF; DmFoxF; | bin; FoxF; | NP_523950.2; | 676 | fruit fly | 
| Q95V55 | Forkhead box protein O; dFOXO; Protein FKHR; | foxo; Afx; | NP_001262557.1;NP_650330.3;NP_996204.1;NP_996205.1; | 613 | fruit fly | 
| P18106 | Tyrosine-protein kinase Fps85D; EC 2.7.10.2; dFer; | Fps85D; Fer fps HD-179; | NP_524288.3;NP_731341.1;NP_731342.1;NP_731343.1; | 1325 | fruit fly | 
| Q9W385 | Frataxin homolog, mitochondrial; Dfh; EC 1.16.3.1; | fh; | NP_511094.1; | 190 | fruit fly | 
| P37236 | Frequenin-1; d-FRQ; | Frq1; Frq; | NP_001033853.1;NP_001259673.1;NP_001259674.1;NP_573271.1; | 187 | fruit fly | 
| Q9VWA8 | Protein FRG1 homolog; | FRG1; | NP_649202.1; | 262 | fruit fly | 
| Q9VQ36 | WD repeat-containing and planar cell polarity effector protein fritz; | frtz; | NP_001259879.1;NP_608614.1; | 951 | fruit fly | 
| Q9VVX3 | Frizzled-2; dFz2; | fz2; | NP_001097643.1;NP_001137971.1;NP_001262036.1;NP_001262038.1;NP_524155.1;NP_730389.1; | 694 | fruit fly | 
| O77438 | Frizzled-3; dFz3; | fz3; | NP_001284760.1;NP_525035.2; | 581 | fruit fly | 
| Q9NBW1 | Frizzled-4; dFz4; | fz4; | NP_511068.2;NP_727170.2; | 705 | fruit fly | 
| P18537 | Frizzled; Frizzled-1; dFz1; | fz; | NP_524812.1; | 581 | fruit fly | 
