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Protein

Heme-degrading monooxygenase

Gene

isdG

Organism
Listeria monocytogenes serovar 1/2a (strain ATCC BAA-679 / EGD-e)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Allows bacterial pathogens to use the host heme as an iron source. Catalyzes the oxidative degradation of the heme macrocyclic porphyrin ring to the biliverdin in the presence of a suitable electron donor such as ascorbate or NADPH--cytochrome P450 reductase, with subsequent release of free iron.UniRule annotation

Catalytic activityi

Protoheme + 3 AH2 + 3 O2 = biliverdin + Fe2+ + CO + 3 A + 3 H2O.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi6 – 61IronUniRule annotation
Sitei74 – 741Transition state stabilizerUniRule annotation
Metal bindingi84 – 841Iron (heme axial ligand)UniRule annotation

GO - Molecular functioni

  1. heme binding Source: UniProtKB-HAMAP
  2. heme oxygenase (decyclizing) activity Source: UniProtKB-HAMAP
  3. iron ion binding Source: UniProtKB-HAMAP
  4. monooxygenase activity Source: UniProtKB-KW

GO - Biological processi

  1. heme catabolic process Source: UniProtKB-HAMAP
  2. iron assimilation Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Monooxygenase, Oxidoreductase

Keywords - Ligandi

Heme, Iron, Metal-binding

Enzyme and pathway databases

BioCyciLMON169963:LMO0484-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Heme-degrading monooxygenaseUniRule annotation (EC:1.14.99.3UniRule annotation)
Alternative name(s):
Heme oxygenaseUniRule annotation
Iron-regulated surface determinantUniRule annotation
Iron-responsive surface determinantUniRule annotation
Gene namesi
Name:isdGUniRule annotation
Ordered Locus Names:lmo0484
OrganismiListeria monocytogenes serovar 1/2a (strain ATCC BAA-679 / EGD-e)
Taxonomic identifieri169963 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesListeriaceaeListeria
ProteomesiUP000000817: Chromosome

Organism-specific databases

GenoListiLMO0484.

Subcellular locationi

Cytoplasm UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 121121Heme-degrading monooxygenasePRO_0000270078Add
BLAST

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi169963.lmo0484.

Structurei

3D structure databases

ProteinModelPortaliQ92EH3.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini2 – 101100ABMUniRule annotationAdd
BLAST

Sequence similaritiesi

Belongs to the antibiotic biosynthesis monooxygenase family. Heme-degrading monooxygenase IsdG subfamily.UniRule annotation
Contains 1 ABM domain.UniRule annotation

Phylogenomic databases

eggNOGiCOG2329.
HOGENOMiHOG000008026.
KOiK07145.
OMAiISTRWKE.
OrthoDBiEOG6GTZMS.
PhylomeDBiQ92EH3.

Family and domain databases

HAMAPiMF_01272. Heme_degrading_monooxygenase.
InterProiIPR007138. ABM-like.
IPR011008. Dimeric_a/b-barrel.
IPR023953. IsdG.
[Graphical view]
PfamiPF03992. ABM. 1 hit.
[Graphical view]
SUPFAMiSSF54909. SSF54909. 1 hit.
PROSITEiPS51725. ABM. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q92EH3-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MIIVTNTIKV EKGAAEHVIR QFTGANGDGH PTKDIAEVEG FLGFELWHSK
60 70 80 90 100
PEDKDYEEVV VTSKWESEEA QRNWVKSDSF KKAHGRTKDT REQREDRKGI
110 120
VGNAIARFEV VHVQNPVIVE K
Length:121
Mass (Da):13,785
Last modified:December 1, 2001 - v1
Checksum:i95674EA508DA2D49
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AL591975 Genomic DNA. Translation: CAC98563.1.
PIRiAE1135.
AG1493.
RefSeqiNP_464012.1. NC_003210.1.

Genome annotation databases

EnsemblBacteriaiCAC98563; CAC98563; CAC98563.
GeneIDi985220.
KEGGilmo:lmo0484.
PATRICi20310035. VBILisMon69206_0503.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AL591975 Genomic DNA. Translation: CAC98563.1.
PIRiAE1135.
AG1493.
RefSeqiNP_464012.1. NC_003210.1.

3D structure databases

ProteinModelPortaliQ92EH3.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi169963.lmo0484.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiCAC98563; CAC98563; CAC98563.
GeneIDi985220.
KEGGilmo:lmo0484.
PATRICi20310035. VBILisMon69206_0503.

Organism-specific databases

GenoListiLMO0484.

Phylogenomic databases

eggNOGiCOG2329.
HOGENOMiHOG000008026.
KOiK07145.
OMAiISTRWKE.
OrthoDBiEOG6GTZMS.
PhylomeDBiQ92EH3.

Enzyme and pathway databases

BioCyciLMON169963:LMO0484-MONOMER.

Family and domain databases

HAMAPiMF_01272. Heme_degrading_monooxygenase.
InterProiIPR007138. ABM-like.
IPR011008. Dimeric_a/b-barrel.
IPR023953. IsdG.
[Graphical view]
PfamiPF03992. ABM. 1 hit.
[Graphical view]
SUPFAMiSSF54909. SSF54909. 1 hit.
PROSITEiPS51725. ABM. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC BAA-679 / EGD-e.

Entry informationi

Entry nameiHDOX_LISMO
AccessioniPrimary (citable) accession number: Q92EH3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 9, 2007
Last sequence update: December 1, 2001
Last modified: January 7, 2015
This is version 78 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.