Q89AR4 (AKH_BUCBP) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 79.
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: Bifunctional aspartokinase/homoserine dehydrogenase Short name=AK-HD | ||||
| Gene names |
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| Organism | Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp) [Complete proteome] [HAMAP] | ||||
| Taxonomic identifier | 224915 [NCBI] | ||||
| Taxonomic lineage | Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Buchnera › ![]() |
Protein attributes
| Sequence length | 816 AA. |
| Sequence status | Complete. |
| Protein existence | Inferred from homology |
General annotation (Comments)
| Catalytic activity | L-homoserine + NAD(P)+ = L-aspartate 4-semialdehyde + NAD(P)H. ATP + L-aspartate = ADP + 4-phospho-L-aspartate. |
| Pathway | Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine from L-aspartate: step 1/5. Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine from L-aspartate: step 3/5. |
| Subunit structure | Homotetramer By similarity. |
| Sequence similarities | In the N-terminal section; belongs to the aspartokinase family. In the C-terminal section; belongs to the homoserine dehydrogenase family. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Amino-acid biosynthesis Threonine biosynthesis |
| Ligand | ATP-binding NADP Nucleotide-binding |
| Molecular function | Kinase Oxidoreductase Transferase |
| Technical term | Complete proteome Multifunctional enzyme |
| Gene Ontology (GO) | |
| Biological_process | lysine biosynthetic process via diaminopimelate Inferred from electronic annotation. Source: UniProtKB-UniPathway threonine biosynthetic processInferred from electronic annotation. Source: UniProtKB-UniPathway |
| Molecular_function | ATP binding Inferred from electronic annotation. Source: UniProtKB-KW NADP bindingInferred from electronic annotation. Source: InterPro aspartate kinase activityInferred from electronic annotation. Source: EC homoserine dehydrogenase activityInferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 816 | 816 | Bifunctional aspartokinase/homoserine dehydrogenase | PRO_0000066686 | |||||
Regions | |||||||||
| Nucleotide binding | 472 – 479 | 8 | NADP Potential | ||||||
| Region | 1 – 250 | 250 | Aspartokinase By similarity | ||||||
| Region | 251 – 471 | 221 | Interface By similarity | ||||||
| Region | 472 – 816 | 345 | Homoserine dehydrogenase By similarity | ||||||
Sequences
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References
| [1] | "Reductive genome evolution in Buchnera aphidicola." van Ham R.C.H.J., Kamerbeek J., Palacios C., Rausell C., Abascal F., Bastolla U., Fernandez J.M., Jimenez L., Postigo M., Silva F.J., Tamames J., Viguera E., Latorre A., Valencia A., Moran F., Moya A. Proc. Natl. Acad. Sci. U.S.A. 100:581-586(2003) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: Bp. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AE016826 Genomic DNA. Translation: AAO26915.1. |
| RefSeq | NP_777810.1. NC_004545.1. |
3D structure databases | |
| ProteinModelPortal | Q89AR4. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | 224915.bbp183. |
Proteomic databases | |
| PRIDE | Q89AR4. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| EnsemblBacteria | AAO26915; AAO26915; bbp_183. |
| GeneID | 1058230. |
| KEGG | bab:bbp183. |
| PATRIC | 21245141. VBIBucAph80364_0177. |
Organism-specific databases | |
| CMR | Search... |
Phylogenomic databases | |
| eggNOG | COG0527. |
| KO | K12524. |
| OMA | IFISQAS. |
| ProtClustDB | PRK09436. |
Enzyme and pathway databases | |
| BioCyc | BAPH224915:GJ9D-183-MONOMER. |
| UniPathway | UPA00034; UER00015. UPA00050; UER00063. UPA00050; UER00461. UPA00051; UER00462. UPA00051; UER00465. |
Family and domain databases | |
| Gene3D | 3.40.1160.10. 2 hits. 3.40.50.720. 1 hit. |
| InterPro | IPR001048. Asp/Glu/Uridylate_kinase. IPR005106. Asp/hSer_DH_NAD-bd. IPR001341. Asp_kinase_dom. IPR018042. Aspartate_kinase_CS. IPR011147. Bifunc_aspartokin/hSer_DH. IPR001342. HDH_cat. IPR019811. HDH_CS. IPR016040. NAD(P)-bd_dom. [Graphical view] |
| Pfam | PF00696. AA_kinase. 1 hit. PF00742. Homoserine_dh. 1 hit. PF03447. NAD_binding_3. 1 hit. [Graphical view] |
| PIRSF | PIRSF000727. ThrA. 1 hit. |
| SUPFAM | SSF53633. Aa_kinase. 1 hit. |
| TIGRFAMs | TIGR00657. asp_kinases. 1 hit. |
| PROSITE | PS00324. ASPARTOKINASE. 1 hit. PS01042. HOMOSER_DHGENASE. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | AKH_BUCBP | ||||||||
| Accession | Primary (citable) accession number: Q89AR4 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Prokaryotic Protein Annotation Program | ||||||||
Relevant documents
| PATHWAY comments Index of metabolic and biosynthesis pathways |
| SIMILARITY comments Index of protein domains and families |

Clusters with
