Q9M884 (MPI1_ARATH) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 29, 2013.
Version 90.
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: Mannose-6-phosphate isomerase 1 EC=5.3.1.8 Alternative name(s): Phosphohexomutase 1 Phosphomannose isomerase 1 Short name=PMI1 Protein MATERNAL EFFECT EMBRYO ARREST 31 | ||||||||
| Gene names |
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| Organism | Arabidopsis thaliana (Mouse-ear cress) [Reference proteome] | ||||||||
| Taxonomic identifier | 3702 [NCBI] | ||||||||
| Taxonomic lineage | Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › rosids › malvids › Brassicales › Brassicaceae › Camelineae › Arabidopsis![]() |
Protein attributes
| Sequence length | 432 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Involved in the synthesis of the GDP-mannose and dolichol-phosphate-mannose required for a number of critical mannosyl transfer reactions. Involved in the ascorbic acid (AsA) biosynthesis. Required during the endosperm development. Ref.4 Ref.5 |
| Catalytic activity | D-mannose 6-phosphate = D-fructose 6-phosphate. |
| Cofactor | Binds 1 zinc ion per subunit By similarity. |
| Enzyme regulation | Inhibited by EDTA, Zn2+, Cd2+, Co2+, p-chloromercuribenzoate and L-ascorbic acid (AsA). Ref.5 |
| Pathway | |
| Tissue specificity | Constitutively expressed in both vegetative and reproductive organs under normal growth conditions (at protein level). Ref.5 |
| Induction | By light (at the protein level). Down-regulated by dark (at the protein level). Down-regulated by DCMU, an exogenous photosynthesis inhibitor. Ref.5 |
| Disruption phenotype | Endosperm development arrested. Ref.4 |
| Sequence similarities | Belongs to the mannose-6-phosphate isomerase type 1 family. |
| Biophysicochemical properties | Kinetic parameters: KM=41.3 µM for mannose-6-phosphate Ref.5 Vmax=1.89 µmol/min/mg enzyme with mannose-6-phosphate as substrate pH dependence: Optimum pH is 7.5. Temperature dependence: Optimum temperature is 52 degrees Celsius. |
Ontologies
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 432 | 432 | Mannose-6-phosphate isomerase 1 | PRO_0000420339 | |||||
Sites | |||||||||
| Active site | 307 | 1 | By similarity | ||||||
| Metal binding | 124 | 1 | Zinc By similarity | ||||||
| Metal binding | 126 | 1 | Zinc By similarity | ||||||
| Metal binding | 151 | 1 | Zinc By similarity | ||||||
| Metal binding | 288 | 1 | Zinc By similarity | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Sequence and analysis of chromosome 3 of the plant Arabidopsis thaliana." Salanoubat M., Lemcke K., Rieger M., Ansorge W., Unseld M., Fartmann B., Valle G., Bloecker H., Perez-Alonso M., Obermaier B., Delseny M., Boutry M., Grivell L.A., Mache R., Puigdomenech P., De Simone V., Choisne N., Artiguenave F. Tabata S.Nature 408:820-822(2000) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: cv. Columbia. |
| [2] | The Arabidopsis Information Resource (TAIR) Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases Cited for: GENOME REANNOTATION. Strain: cv. Columbia. |
| [3] | "Empirical analysis of transcriptional activity in the Arabidopsis genome." Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., Southwick A.M., Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., Karlin-Newmann G., Liu S.X., Lam B., Sakano H., Wu T., Yu G. Ecker J.R.Science 302:842-846(2003) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. Strain: cv. Columbia. |
| [4] | "Genetic and molecular identification of genes required for female gametophyte development and function in Arabidopsis." Pagnussat G.C., Yu H.-J., Ngo Q.A., Rajani S., Mayalagu S., Johnson C.S., Capron A., Xie L.-F., Ye D., Sundaresan V. Development 132:603-614(2005) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, DISRUPTION PHENOTYPE. |
| [5] | "Arabidopsis phosphomannose isomerase 1, but not phosphomannose isomerase 2, is essential for ascorbic acid biosynthesis." Maruta T., Yonemitsu M., Yabuta Y., Tamoi M., Ishikawa T., Shigeoka S. J. Biol. Chem. 283:28842-28851(2008) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, BIOPHYSICOCHEMICAL PROPERTIES, ENZYME REGULATION, TISSUE SPECIFICITY, INDUCTION. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AC021640 Genomic DNA. Translation: AAF32464.1. CP002686 Genomic DNA. Translation: AEE73831.1. AY070447 mRNA. Translation: AAL49850.1. AY096564 mRNA. Translation: AAM20214.1. |
| IPI | IPI00521982. |
| RefSeq | NP_186906.1. NM_111125.3. |
| UniGene | At.18813. At.24147. |
3D structure databases | |
| ProteinModelPortal | Q9M884. |
| SMR | Q9M884. Positions 19-426. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | Q9M884. 1 interaction. |
| STRING | 3702.AT3G02570.1-P. |
Proteomic databases | |
| PaxDb | Q9M884. |
| PRIDE | Q9M884. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| EnsemblPlants | AT3G02570.1; AT3G02570.1; AT3G02570. |
| GeneID | 820656. |
| KEGG | ath:AT3G02570. |
Organism-specific databases | |
| TAIR | At3g02570. |
Phylogenomic databases | |
| eggNOG | COG1482. |
| HOGENOM | HOG000241277. |
| InParanoid | Q9M884. |
| KO | K01809. |
| OMA | ACTPHAY. |
| PhylomeDB | Q9M884. |
| ProtClustDB | PLN02288. |
Enzyme and pathway databases | |
| BioCyc | MetaCyc:AT3G02570-MONOMER. |
| UniPathway | UPA00126; UER00423. |
Gene expression databases | |
| Genevestigator | Q9M884. |
Family and domain databases | |
| Gene3D | 2.60.120.10. 3 hits. |
| InterPro | IPR001250. Man6P_Isoase-1. IPR016305. Mannose-6-P_Isomerase. IPR018050. Pmannose_isomerase-type1_CS. IPR014710. RmlC-like_jellyroll. IPR011051. RmlC_Cupin. [Graphical view] |
| PANTHER | PTHR10309. PTHR10309. 1 hit. |
| Pfam | PF01238. PMI_typeI. 1 hit. [Graphical view] |
| PIRSF | PIRSF001480. Mannose-6-phosphate_isomerase. 1 hit. |
| PRINTS | PR00714. MAN6PISMRASE. |
| SUPFAM | SSF51182. RmlC_like_cupin. 1 hit. |
| TIGRFAMs | TIGR00218. manA. 1 hit. |
| PROSITE | PS00965. PMI_I_1. 1 hit. PS00966. PMI_I_2. False negative. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | MPI1_ARATH | ||||||||
| Accession | Primary (citable) accession number: Q9M884 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Plant Protein Annotation Program | ||||||||
Relevant documents
| Arabidopsis thaliana Arabidopsis thaliana: entries and gene names |
| PATHWAY comments Index of metabolic and biosynthesis pathways |
| SIMILARITY comments Index of protein domains and families |

Clusters with
