Biological Nitrogen Removal Database

A manually curated data resource for microbial nitrogen removal


Detailed description of the enzyme

Enzyme name Ammonia monooxygenase (AMO)
Synonyms AMO;
HAO;
Copper-containing membrane-bound monooxygenase;
Ammonia monoxygenase;
amoA;
AmoB;
Ammonia,donor:oxygen oxidoreductase (hydroxylamine-producing)
Gene cluster amoCABD
Classification Oxidoreductases
Genes amoA;amoB;amoC
Pathway Nitrogen metabolism: Nitrification: Ammonia oxidation
Substrate Ammonia (NH3)
Reduced acceptor
Oxygen (O2)
Product Hydroxylamine (NH2OH)
Acceptor
Water (H2O)
Mechanism Link
Subunit
Gene
Protein name
Organism
Status
Accession Number (Genbank)
Accession Number (GenPept)
Accession Number (UniProt)
amoA
Ammonia monooxygenase alpha subunit
Candidatus Nitrospira inopinata
Unreviewed
LN885086.1
CUQ66826
A0A0S4KUL9
Gene
Protein name
Organism
Status
Accession Number (Genbank)
Accession Number (GenPept)
Accession Number (UniProt)
amoB
Ammonia monooxygenase beta subunit
Candidatus Nitrospira inopinata
Unreviewed
LN885086.1
CUQ66827
A0A0S4KWM9
Gene
Protein name
Organism
Status
Accession Number (Genbank)
Accession Number (GenPept)
Accession Number (UniProt)
amoC
Ammonia monooxygenase, subunit C
Candidatus Nitrospira inopinata
Unreviewed
LN885086.1
CUQ66825
A0A0S4KU20
Gene
Protein name
Organism
Status
Accession Number (Genbank)
Accession Number (GenPept)
Accession Number (UniProt)
amoD
Ammonia monooxigenase subunit D
Chromatiaceae bacterium RW
Unreviewed
LR778175
CAB1276647.1
A0A7G1QAF8
Reference

Authors

Title

PubMed ID

Full research link

Daims et al., 2015

Complete nitrification by Nitrospira bacteria

26610024

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van Kessel et al., 2015

Complete nitrification by a single microorganism

26610025

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Santoro. 2016

The do-it-all nitrifier

26798002

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Versantvoort et al., 2020

Multiheme hydroxylamine oxidoreductases produce NO during ammonia oxidation in methanotrophs

32913059

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Camejo et al., 2017

Genome-Enabled Insights into the Ecophysiology of the Comammox Bacterium “Candidatus Nitrospira nitrosa”

28905001

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PubMed ID

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Sheikh et al., 2008

Characterization of two new genes, amoR and amoD, in the amo operon of the marine ammonia oxidizer Nitrosococcus oceani ATCC 19707

17993553

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Alzerreca et al., 1999

The amo operon in marine, ammonia-oxidizing gamma-proteobacteria

10547440

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PubMed ID

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Soto et al., 1998

Transcription of the amoC, amoA and amoB genes in Nitrosomonas europaea and Nitrosospira sp. NpAV

9785456

Link