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Acetyl-CoA decarbonylase/synthase complex from Archaeoglobus fulgidus. 1998

Y R Dai, and D W Reed, and J H Millstein, and P L Hartzell, and D A Grahame, and E DeMoll
Department of Biochemistry and Molecular Biology, Uniformed Services University of Health Sciences, Bethesda, MD 20814-4799, USA.

The acetyl-CoA decarbonylase/synthase (ACDS) multienzyme complex catalyzes the reversible cleavage and synthesis of acetyl-CoA in methanogens. This report of the enzyme complex in Archaeoglobus fulgidus demonstrates the existence of a functional ACDS complex in an organism that is not a methanogen. The A. fulgidus enzyme complex contained five subunits of 89, 72, 50, 49.5, and 18.5 kDa, and it catalyzed the overall synthesis of acetyl-CoA according to the following reaction: CO2 + 2 Fdred(Fe2+) + 2 H+ + CH3 - H4SPt + CoA <==> acetyl-CoA + H4SPt + 2 Fdox(Fe3+) + H2O where Fd is ferredoxin, and CH3-H4SPt and H4SPt denote N5-methyl-tetrahydrosarcinapterin and tetrahydrosarcinapterin, respectively.

UI MeSH Term Description Entries
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D009097 Multienzyme Complexes Systems of enzymes which function sequentially by catalyzing consecutive reactions linked by common metabolic intermediates. They may involve simply a transfer of water molecules or hydrogen atoms and may be associated with large supramolecular structures such as MITOCHONDRIA or RIBOSOMES. Complexes, Multienzyme
D004591 Electrophoresis, Polyacrylamide Gel Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D000445 Aldehyde Oxidoreductases Oxidoreductases that are specific for ALDEHYDES. Aldehyde Oxidoreductase,Oxidoreductase, Aldehyde,Oxidoreductases, Aldehyde
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings
D019611 Archaeoglobus fulgidus A species of extremely thermophilic, sulfur-reducing archaea. It grows at a maximum temperature of 95 degrees C. in marine or deep-sea geothermal areas.
D019843 Archaeal Proteins Proteins found in any species of archaeon. Archaeal Gene Products,Archaeal Gene Proteins,Archaeal Peptides,Gene Products, Archaeal,Gene Proteins, Archaeal

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