1GKJ | Lyase | date | Aug 15, 2001 |
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title | Histidine Ammonia-Lyase (Hal) Mutant Y280f From Pseudomonas | ||||||||||||||
authors | M.Baedeker, G.E.Schulz | ||||||||||||||
compound | source | ||||||||||||||
Molecule: Histidine Ammonia-Lyase Chain: A Synonym: Histidase, Hal Ec: 4.3.1.3 Engineered: Yes Mutation: Yes Other_details: Ala 142, Ser 143 And Gly 144 Are Forming An Methylidene-Imidazole-5-One Group (Mdo). The Carbonyl Carbo 142 Is Bonded To The Nitrogen Of Gly 144. The Carbonyl Oxyg 142 Is Deleted. The Side Chain Of Ser 143 Is Dehydrated. |
Organism_scientific: Pseudomonas Putida Organism_taxid: 303 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_plasmid: Pt7-7h | ||||||||||||||
symmetry | Space Group: I 2 2 2 |
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crystal cell |
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method | X-Ray Diffraction | resolution | 1.70 Å | ||||||||||||
ligand | GOL, MDO, SO4 | enzyme | Lyase E.C.4.3.1.3 BRENDA | ||||||||||||
related structures | by homologous chain: 1GK2, 1GKM | ||||||||||||||
Gene Ontology |
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Primary reference | Structures of two histidine ammonia-lyase modifications and implications for the catalytic mechanism., Baedeker M, Schulz GE, Eur J Biochem 2002 Mar;269(6):1790-7. PMID:11895450 |
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