Q05533 (INM2_YEAST) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 29, 2013.
Version 96.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Inositol monophosphatase 2 Short name=IMP 2 Short name=IMPase 2 EC=3.1.3.25 Alternative name(s): Inositol-1(or 4)-monophosphatase 2 | ||||||
| Gene names |
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| Organism | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) [Reference proteome] | ||||||
| Taxonomic identifier | 559292 [NCBI] | ||||||
| Taxonomic lineage | Eukaryota › Fungi › Dikarya › Ascomycota › Saccharomycotina › Saccharomycetes › Saccharomycetales › Saccharomycetaceae › Saccharomyces › ![]() |
Protein attributes
| Sequence length | 292 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Responsible for the provision of inositol required for synthesis of phosphatidylinositol and polyphosphoinositides and involved in the inositol cycle of calcium signaling. Ref.4 Ref.5 |
| Catalytic activity | Myo-inositol phosphate + H2O = myo-inositol + phosphate. |
| Cofactor | Magnesium. |
| Enzyme regulation | Inhibited by Li+ and Na+. Ref.4 |
| Pathway | Polyol metabolism; myo-inositol biosynthesis; myo-inositol from D-glucose 6-phosphate: step 2/2. |
| Sequence similarities | Belongs to the inositol monophosphatase family. |
| Biophysicochemical properties | Kinetic parameters: KM=0.12 mM for inositol 1-phosphate Ref.4 Vmax=16 µmol/min/mg enzyme for inositol 1-phosphate |
Ontologies
| Keywords | |
|---|---|
| Ligand | Lithium Magnesium Metal-binding |
| Molecular function | Hydrolase |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | inositol biosynthetic process Inferred from electronic annotation. Source: UniProtKB-UniPathway inositol phosphate dephosphorylationInferred from direct assay Ref.4. Source: SGD phosphatidylinositol phosphorylationInferred from electronic annotation. Source: InterPro |
| Molecular_function | inositol monophosphate 1-phosphatase activity Inferred from direct assay Ref.4. Source: SGD inositol monophosphate 3-phosphatase activityInferred from electronic annotation. Source: EC inositol monophosphate 4-phosphatase activityInferred from electronic annotation. Source: EC metal ion bindingInferred from electronic annotation. Source: UniProtKB-KW |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 292 | 292 | Inositol monophosphatase 2 | PRO_0000245568 | |||||
Regions | |||||||||
| Region | 96 – 99 | 4 | Substrate binding By similarity | ||||||
Sites | |||||||||
| Metal binding | 75 | 1 | Magnesium 1 By similarity | ||||||
| Metal binding | 94 | 1 | Magnesium 1 By similarity | ||||||
| Metal binding | 94 | 1 | Magnesium 2 By similarity | ||||||
| Metal binding | 96 | 1 | Magnesium 1; via carbonyl oxygen By similarity | ||||||
| Metal binding | 97 | 1 | Magnesium 2 By similarity | ||||||
| Metal binding | 231 | 1 | Magnesium 2 By similarity | ||||||
| Binding site | 75 | 1 | Substrate By similarity | ||||||
| Binding site | 231 | 1 | Substrate By similarity | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "The nucleotide sequence of Saccharomyces cerevisiae chromosome IV." Jacq C., Alt-Moerbe J., Andre B., Arnold W., Bahr A., Ballesta J.P.G., Bargues M., Baron L., Becker A., Biteau N., Bloecker H., Blugeon C., Boskovic J., Brandt P., Brueckner M., Buitrago M.J., Coster F., Delaveau T. Zaccaria P.Nature 387:75-78(1997) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 204508 / S288c. |
| [2] | Saccharomyces Genome Database Submitted (DEC-2009) to the EMBL/GenBank/DDBJ databases Cited for: GENOME REANNOTATION. Strain: ATCC 204508 / S288c. |
| [3] | "Approaching a complete repository of sequence-verified protein-encoding clones for Saccharomyces cerevisiae." Hu Y., Rolfs A., Bhullar B., Murthy T.V.S., Zhu C., Berger M.F., Camargo A.A., Kelley F., McCarron S., Jepson D., Richardson A., Raphael J., Moreira D., Taycher E., Zuo D., Mohr S., Kane M.F., Williamson J. LaBaer J.Genome Res. 17:536-543(2007) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: ATCC 204508 / S288c. |
| [4] | "The yeast inositol monophosphatase is a lithium- and sodium-sensitive enzyme encoded by a non-essential gene pair." Lopez F., Leube M., Gil-Mascarell R., Navarro-Avino J.P., Serrano R. Mol. Microbiol. 31:1255-1264(1999) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, ENZYME REGULATION, BIOPHYSICOCHEMICAL PROPERTIES. |
| [5] | "Yeast inositol mono- and trisphosphate levels are modulated by inositol monophosphatase activity and nutrients." Navarro-Avino J.P., Belles J.M., Serrano R. Biochem. Biophys. Res. Commun. 302:41-45(2003) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | U51031 Genomic DNA. Translation: AAB64472.1. AY557746 Genomic DNA. Translation: AAS56072.1. BK006938 Genomic DNA. Translation: DAA12127.1. |
| PIR | S70117. |
| RefSeq | NP_010573.3. NM_001180595.3. |
3D structure databases | |
| ProteinModelPortal | Q05533. |
| SMR | Q05533. Positions 41-265. |
| ModBase | Search... |
Protein-protein interaction databases | |
| DIP | DIP-5626N. |
| MINT | MINT-508245. |
| STRING | 4932.YDR287W. |
Proteomic databases | |
| PaxDb | Q05533. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| EnsemblFungi | YDR287W; YDR287W; YDR287W. |
| GeneID | 851881. |
| KEGG | sce:YDR287W. |
Organism-specific databases | |
| CYGD | YDR287w. |
| SGD | S000002695. INM2. |
Phylogenomic databases | |
| eggNOG | COG0483. |
| GeneTree | ENSGT00390000014699. |
| HOGENOM | HOG000282238. |
| KO | K01092. |
| OMA | NFIHGYP. |
| OrthoDB | EOG40312B. |
Enzyme and pathway databases | |
| BioCyc | YEAST:G3O-29851-MONOMER. YEAST:MONOMER3O-11. |
| UniPathway | UPA00823; UER00788. |
Gene expression databases | |
| Genevestigator | Q05533. |
| GermOnline | YDR287W. Saccharomyces cerevisiae. |
Family and domain databases | |
| InterPro | IPR020583. Inositol_monoP_metal-BS. IPR000760. Inositol_monophosphatase. IPR020550. Inositol_monophosphatase_CS. [Graphical view] |
| PANTHER | PTHR20854. PTHR20854. 1 hit. |
| Pfam | PF00459. Inositol_P. 1 hit. [Graphical view] |
| PRINTS | PR00377. IMPHPHTASES. |
| PROSITE | PS00629. IMP_1. 1 hit. PS00630. IMP_2. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other | |
| NextBio | 969850. |
Entry information
| Entry name | INM2_YEAST | ||||||||
| Accession | Primary (citable) accession number: Q05533 Secondary accession number(s): D6VSR7 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Fungal Protein Annotation Program | ||||||||
Relevant documents
| Yeast Yeast (Saccharomyces cerevisiae): entries, gene names and cross-references to SGD |
| Yeast chromosome IV Yeast (Saccharomyces cerevisiae) chromosome IV: entries and gene names |
| PATHWAY comments Index of metabolic and biosynthesis pathways |
| SIMILARITY comments Index of protein domains and families |

Clusters with
