| Protein ID | Standard name | Swiss-Prot annotation | SGD annotation | Enzymatic activity (our results) | Structure | Comments |
| 1. Yer037w | PHM8 | Phosphate metabolism protein 8 | unknown function | Phosphatase (XMP, CMP, UMP, GMP) | PHO85 regulated (Sopko etl al., 2006) | |
| 2. Ygl224c | SSM1 | Protein of the SSM1 family | pyrimidine nucleotidase SDT1 | Phosphatase (XMP, UMP, CMP) | Yes (our) | |
| 3. Ykl033w-a | YKD3A | Uncharacterized hydrolase | unknown function | Phosphatase (XMP, FMN, dUMP) | ||
| 4. Yel038w | UTR4 | Enolase-phosphatase E1 | unknown function | Phosphatase (phosphoglycolate: low activity) | Joint Center | Synthetic lethality with PAC10 (Ygr078c) (Tong et al., 2004) |
| 5. Ydl236w | PHO13 | 4-Nitrophenylphosphatase | alkaline phosphatase | Phosphatase (phosphoglycolate) | Main phosphoglycolate phosphatase (DNA repair?) | |
| 6. Ykr070w | YK50 | Uncharacterized protein | unknown function | Phosphatase (glucose-6P, deoxyglucose-6P, deoxyribose-5P, glycero-1P) | Localization: mitochondrion | |
| 7. Ynl010w | YNB0 | Uncharacterized protein | unknown function | Phosphatase (glycero-1P) | Deletion: increased glycogen accumulation (Wilson et al., 2002) | |
| 8. Yer062c | GPP2 | Glycerol-3 phosphatase 2 | glycerol-3 phosphatase 2 | Phosphatase (glycero-3P, glycero-1P) | Induced by hyperosmotic and oxidative stress, diauxic transition | |
| 9. Yil053w | GPP1 | Glycerol-3 phosphatase 1 | glycerol-3 phosphatase 1 | Phosphatase (glycero-3P, glycero-1P) | Yes (our) | Constitutive isoform, induced by anaerobic and osmotic stress |
| 10. Ymr130w | YM14 | Uncharacterized protein | unknown function | Phosphatase (3P-glyceraldehyde) | ||
| 11. Yor131c | YOR31 | Uncharacterized hydrolase | unknown function | Phosphatase (pyridoxal phosphate) | ||
| 12. Ygr208w | SERB | Phosphoserine phosphatase | phosphoserine phosphatase | Phosphatase (P-serine) | Crystals | phosphoglycerate pathway |
| 13. Yhr044c | DOG1 | Deoxyglucose-6P phosphatase 1 | deoxyglucose-6P phosphatase | Phosphatase (deoxyglucose-6P, ribose-5P, mannose-6P, glucose-6P) | resistance to 2-deoxyglucose | |
| 14. Yhr043c | DOG2 | Deoxyglucose-6P phosphatase 2 | deoxyglucose-6P phosphatase | Phosphatase (deoxyglucose-6P, fructose-1P, mannose-6P, glucose-6P) | Induced by oxidative and osmotic stress, resistance to 2-deoxyglucose | |
| 15. Yor111w | YOR111 | Uncharacterized protein | unknown function | Nucleotide pyrophosphatase (TTP, UTP, CTP) (Maf-like!) | Two-hybrid: interacts with Ent3p (Uetz et al., 2000) in Tim Hughes review (2007) | |
| 16. Ybr252w | DUT1 | dUTP pyrophosphatase | dUTPase | Nucleotide pyrophosphatase (dUTP, dITP) | solved | Inviable; interacts with Tem1p, Cks1p, apn1, apn2, rad1, ung1, rad14, rev3, and Davierwala et al., 2005: rfc5, srb6 |
| 17. Yor004w | UTP23 | rRNA-processing protein UTP23 | Processome component (40S) | Ribonuclease (ssRNA) | Inviable; interacts with: Irp1 and nop1 (Davierwala et al., 2005); Mpp10p (Bleichert et al., 2006) | |
| 18. Yol042w | NGL1 | RNA exonuclease NGL1 | putative endonuclease | Ribonuclease (ssRNA endonuclease) | Localization: mitochondrion | |
| 19. Yml118w | NGL3 | Probable RNA exonuclease NGL3 | putative endonuclease | Ribonuclease (ssRNA endonuclease) | Interacts with: Ptk2p, Tpk1p, and Tpk2p (Ptacek et al. 2005) | |
| 20. Yjr019c | TES1 | acyl-CoA thioesterase | acyl-CoA thioesterase | Acyl-CoA thioesterase (lauroyl-CoA, hexanoyl-CoA, methylmalonyl-CoA) | Peroxisome; interacts with Atg1p, Snf1p, and Yck1p (Ptacek et al., 2005) | |
| 21. Ygr203w | (Rhodanese-like) | Protein phosphatase | solved | |||
| 22. Yor285w | (Rhodanese-like) | Thiesterase | solved | |||
| 23. Yil113w | YIL3 | probable P-Tyr phosphatase | phosphatase (pNPP) | |||
| 24. Ydl230w | PTP1 | protein Tyr-phosphatase PTP1 | phosphatase (pNPP, P-Tyr peptides) | |||
| 25. Yir026c | PVH1 | protein Tyr-phosphatase PVH1 | phosphatase (pNPP) | |||
| 26. Ygr123c | PPT1 | protein Ser/Thr phosphatase PPT1 | phosphatase (pNPP) | |||
| 27. Yfr028c | CDC14 | protein Tyr-phosphatase CDC14 | phosphatase (pNPP, P-Ser peptides) | |||
| 28. Ybl019w | APN2 | apurinic endonuclease APN2 | phosphodiesterase (bis-pNPP) | |||
| 29. Ycr036w | RBSK | probable ribokinase | ribokinase (ribose, deoxyribose, ribulose) | |||
| 30. Ylr022c | SDO1 | ribosome maturation protein SDO1 | Ribonuclease (ssRNA) | |||
| 31. Ykr043c | YK23 | Uncharacterized protein | phosphatase (acid phosphatase, Fructose 1,6-diP) | solved | ||
| 32. Yor283w | YO283 | probable phosphoglycerate mutase | unknown function | phosphatase (many substrates |