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UniProt functional annotation for O58403 | ||
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| UniProt code: O58403. |
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| Organism: | |
Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3). |
| Taxonomy: | |
Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae; Pyrococcus. |
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| Catalytic activity: | |
Reaction=L-aspartate = D-aspartate; Xref=Rhea:RHEA:14973, ChEBI:CHEBI:29990, ChEBI:CHEBI:29991; EC=5.1.1.13; Evidence={ECO:0000269|PubMed:17847084}; |
| Activity regulation: | |
Weakly inhibited by citrate, but not by asparagine. {ECO:0000269|PubMed:17847084}. |
| Biophysicochemical properties: | |
Kinetic parameters: KM=0.7 mM for L-aspartate {ECO:0000269|PubMed:17847084}; |
| Subunit: | |
Homodimer. The existence of the interchain disulfide bond seen in the crystal structures is uncertain, but disulfide bonds have been reported for cytoplasmic proteins from thermophiles. {ECO:0000269|PubMed:12051922, ECO:0000269|PubMed:17847084, ECO:0000305}. |
| Similarity: | |
Belongs to the aspartate/glutamate racemases family. {ECO:0000305}. |
Annotations taken from UniProtKB at the EBI.