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Information on EC 2.7.7.4 - sulfate adenylyltransferase and Organism(s) Thiobacillus denitrificans and UniProt Accession Q3SEZ6

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EC Tree
     2 Transferases
         2.7 Transferring phosphorus-containing groups
             2.7.7 Nucleotidyltransferases
                2.7.7.4 sulfate adenylyltransferase
IUBMB Comments
The human phosphoadenosine-phosphosulfate synthase (PAPS) system is a bifunctional enzyme (fusion product of two catalytic activities). In a first step, sulfate adenylyltransferase catalyses the formation of adenosine 5'-phosphosulfate (APS) from ATP and inorganic sulfate. The second step is catalysed by the adenylylsulfate kinase portion of 3'-phosphoadenosine 5'-phosphosulfate (PAPS) synthase, which involves the formation of PAPS from enzyme-bound APS and ATP. In contrast, in bacteria, yeast, fungi and plants, the formation of PAPS is carried out by two individual polypeptides, sulfate adenylyltransferase (EC 2.7.7.4) and adenylyl-sulfate kinase (EC 2.7.1.25).
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Thiobacillus denitrificans
UNIPROT: Q3SEZ6
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Word Map
The taxonomic range for the selected organisms is: Thiobacillus denitrificans
The enzyme appears in selected viruses and cellular organisms
Synonyms
atps, atp sulfurylase, papss2, atp-sulfurylase, sulfurylase, atp sulphurylase, sulfate adenylyltransferase, atps2, atps1, atp-s, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
adenosine 5'-triphosphate sulphurylase
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adenosine 5'-triphosphate-sulfurylase
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adenosine triphosphate sulphurylase
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adenosine-5'-triphosphate sulfurylase
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adenosinetriphosphate sulfurylase
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adenylylsulfate pyrophosphorylase
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adenylyltransferase, sulfate
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ATP sulfurylase
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ATP-sulfurylase
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sulfurylase
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho group transfer
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SYSTEMATIC NAME
IUBMB Comments
ATP:sulfate adenylyltransferase
The human phosphoadenosine-phosphosulfate synthase (PAPS) system is a bifunctional enzyme (fusion product of two catalytic activities). In a first step, sulfate adenylyltransferase catalyses the formation of adenosine 5'-phosphosulfate (APS) from ATP and inorganic sulfate. The second step is catalysed by the adenylylsulfate kinase portion of 3'-phosphoadenosine 5'-phosphosulfate (PAPS) synthase, which involves the formation of PAPS from enzyme-bound APS and ATP. In contrast, in bacteria, yeast, fungi and plants, the formation of PAPS is carried out by two individual polypeptides, sulfate adenylyltransferase (EC 2.7.7.4) and adenylyl-sulfate kinase (EC 2.7.1.25).
CAS REGISTRY NUMBER
COMMENTARY hide
9012-39-9
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