Adenylylsulfate—ammonia adenylyltransferase

In enzymology, an adenylylsulfate-ammonia adenylyltransferase (EC 2.7.7.51) is an enzyme that catalyzes the chemical reaction adenylyl sulfate + NH3 adenosine 5'-phosphoramidate + sulfate.

adenylylsulfate-ammonia adenylyltransferase
Identifiers
EC no.2.7.7.51
CAS no.79121-94-1
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
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PMCarticles
PubMedarticles
NCBIproteins

Thus, the two substrates of this enzyme are adenylyl sulfate and NH3, whereas its two products are adenosine 5'-phosphoramidate and sulfate.

This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing nucleotide groups (nucleotidyltransferases). The systematic name of this enzyme class is adenylyl-sulfate:ammonia adenylyltransferase. Other names in common use include APSAT, and adenylylsulfate:ammonia adenylyltransferase.

References

    • Fankhauser H, Garber L, Schiff JA (1979). "Adenylyl sulfate (APS):ammonia adenylyl transferase (APSAT) forming adenosine 5' phosphoramidate (APA) from APS and ammonia". Plant Physiol. 63S: 162.
    • Fankhauser H, Schiff JA (1980). "Further purification and properties of adenylyl sulfate (APS): ammonia adenylyl transferase (APSAT) from Chlorella". Plant Physiol. 65S: 17.


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