| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| Q12473 | Ferric reductase transmembrane component 6; EC 1.16.1.9; Ferric-chelate reductase 6; | FRE6; YLL051C; | NP_013049.1; | 712 | yeast | 
| Q12333 | Ferric/cupric reductase transmembrane component 7; EC 1.16.1.9; Ferric-chelate reductase 7; | FRE7; YOL152W; | NP_014489.2; | 620 | yeast | 
| Q12209 | Probable ferric reductase transmembrane component 8; EC 1.16.1.7; Ferric-chelate reductase 8; | FRE8; YLR047C; | NP_013148.1; | 686 | yeast | 
| Q03002 | Fatty acyl-CoA synthetase and RNA processing-associated kinase 1; EC 2.7.11.1; | FRK1; YPL141C; | NP_015184.1; | 865 | yeast | 
| P37261 | Fatty acid repression mutant protein 2; | FRM2; YCL026C-A; | NP_009904.2; | 193 | yeast | 
| P36088 | Free methionine-R-sulfoxide reductase; fRMsr; EC 1.8.4.14; GAF domain-containing protein YKL069W; | YKL069W; | NP_012854.1; | 180 | yeast | 
| Q12029 | Probable mitochondrial transport protein FSF1; Fungal sideroflexin-1; | FSF1; YOR271C; | NP_014914.1; | 327 | yeast | 
| P38777 | Family of serine hydrolases 1; EC 3.1.-.-; | FSH1; YHR049W; | NP_011915.1; | 243 | yeast | 
| Q05015 | Family of serine hydrolases 2; EC 3.1.-.-; | FSH2; YMR222C; | NP_013949.1; | 223 | yeast | 
| Q99369 | Family of serine hydrolases 3; EC 3.1.-.-; | FSH3; YOR280C; | NP_014923.1; | 266 | yeast | 
| P38310 | Iron transporter FTH1; | FTH1; YBR207W; | NP_009766.4; | 465 | yeast | 
| P40099 | 5-formyltetrahydrofolate cyclo-ligase; EC 6.3.3.2; 5,10-methenyl-tetrahydrofolate synthetase; MTHFS; Methenyl-THF synthetase; | FAU1; YER183C; | NP_011110.1; | 211 | yeast | 
| P40088 | Plasma membrane iron permease; | FTR1; YER145C; | NP_011072.1; | 404 | yeast | 
| P25659 | Silencing boundary-establishment protein FUB1; Function of boundary protein 1; Proteasome inhibitor PI31-like protein FUB1; | FUB1; YCR076C; | NP_010001.1; | 250 | yeast | 
| P38196 | Uridine permease; | FUI1; YBL042C; | NP_009511.1; | 639 | yeast | 
| P08417 | Fumarate hydratase, mitochondrial; Fumarase; EC 4.2.1.2; | FUM1; YPL262W; | NP_015061.1; | 488 | yeast | 
| P18411 | Protein FUN14; | FUN14; YAL008W; | NP_009394.1; | 198 | yeast | 
| P28003 | SWIRM domain-containing protein FUN19; | FUN19; YAL034C; | NP_009368.2; | 413 | yeast | 
| P31381 | Nucleoside transporter FUN26; | FUN26; YAL022C; | NP_009380.1; | 517 | yeast | 
| P31380 | ATP-dependent helicase FUN30; EC 3.6.4.12; | FUN30; YAL019W; | NP_009383.1; | 1131 | yeast | 
