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Q7V8X5

- MTND_PROMM

UniProt

Q7V8X5 - MTND_PROMM

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Protein

Acireductone dioxygenase

Gene

mtnD

Organism
Prochlorococcus marinus (strain MIT 9313)
Status
Reviewed - Annotation score: 4 out of 5- Protein inferred from homologyi

Functioni

Catalyzes 2 different reactions between oxygene and the acireductone 1,2-dihydroxy-3-keto-5-methylthiopentene (DHK-MTPene) depending upon the metal bound in the active site. Fe-containing acireductone dioxygenase (Fe-ARD) produces formate and 2-keto-4-methylthiobutyrate (KMTB), the alpha-ketoacid precursor of methionine in the methionine recycle pathway. Ni-containing acireductone dioxygenase (Ni-ARD) produces methylthiopropionate, carbon monoxide and formate, and does not lie on the methionine recycle pathway.UniRule annotation

Catalytic activityi

1,2-dihydroxy-5-(methylthio)pent-1-en-3-one + O2 = 3-(methylthio)propanoate + formate + CO.UniRule annotation
1,2-dihydroxy-5-(methylthio)pent-1-en-3-one + O2 = 4-(methylthio)-2-oxobutanoate + formate.UniRule annotation

Cofactori

Protein has several cofactor binding sites:
  • Fe cationUniRule annotationNote: Binds 1 Fe cation per monomer.UniRule annotation
  • Ni2+UniRule annotationNote: Binds 1 nickel ion per monomer.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sitei101 – 1011May play a role in metal incorporation in vivoUniRule annotation
Metal bindingi102 – 1021Iron; alternateUniRule annotation
Metal bindingi102 – 1021Nickel; alternateUniRule annotation
Metal bindingi104 – 1041Iron; alternateUniRule annotation
Metal bindingi104 – 1041Nickel; alternateUniRule annotation
Sitei107 – 1071May play a role in transmitting local conformational changesUniRule annotation
Metal bindingi108 – 1081Iron; alternateUniRule annotation
Metal bindingi108 – 1081Nickel; alternateUniRule annotation
Sitei110 – 1101Important to generate the dianionUniRule annotation
Metal bindingi146 – 1461Iron; alternateUniRule annotation
Metal bindingi146 – 1461Nickel; alternateUniRule annotation

GO - Molecular functioni

  1. acireductone dioxygenase (Ni2+-requiring) activity Source: UniProtKB-HAMAP
  2. acireductone dioxygenase [iron(II)-requiring] activity Source: UniProtKB-HAMAP
  3. iron ion binding Source: UniProtKB-HAMAP
  4. nickel cation binding Source: UniProtKB-HAMAP

GO - Biological processi

  1. L-methionine biosynthetic process from methylthioadenosine Source: UniProtKB-UniPathway
  2. L-methionine biosynthetic process from S-adenosylmethionine Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Dioxygenase, Oxidoreductase

Keywords - Biological processi

Amino-acid biosynthesis, Methionine biosynthesis

Keywords - Ligandi

Iron, Metal-binding, Nickel

Enzyme and pathway databases

UniPathwayiUPA00904; UER00878.

Names & Taxonomyi

Protein namesi
Recommended name:
Acireductone dioxygenaseUniRule annotation
Alternative name(s):
1,2-dihydroxy-3-keto-5-methylthiopentene dioxygenaseUniRule annotation
Short name:
DHK-MTPene dioxygenaseUniRule annotation
Acireductone dioxygenase (Fe(2+)-requiring)UniRule annotation (EC:1.13.11.54UniRule annotation)
Short name:
ARD'UniRule annotation
Short name:
Fe-ARDUniRule annotation
Acireductone dioxygenase (Ni(2+)-requiring)UniRule annotation (EC:1.13.11.53UniRule annotation)
Short name:
ARDUniRule annotation
Short name:
Ni-ARDUniRule annotation
Gene namesi
Name:mtnDUniRule annotation
Ordered Locus Names:PMT_0197
OrganismiProchlorococcus marinus (strain MIT 9313)
Taxonomic identifieri74547 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaProchloralesProchlorococcaceaeProchlorococcus
ProteomesiUP000001423: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 185185Acireductone dioxygenasePRO_0000359216Add
BLAST

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi74547.PMT0197.

Structurei

3D structure databases

ProteinModelPortaliQ7V8X5.
SMRiQ7V8X5. Positions 2-185.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the acireductone dioxygenase (ARD) family.UniRule annotation

Phylogenomic databases

eggNOGiCOG1791.
KOiK08967.
OMAiVLCEKND.
OrthoDBiEOG6ZPT06.

Family and domain databases

Gene3Di2.60.120.10. 1 hit.
HAMAPiMF_01682. Salvage_MtnD.
InterProiIPR023956. Acireductn_d0ase.
IPR004313. Acireductn_dOase_family.
IPR014710. RmlC-like_jellyroll.
IPR011051. RmlC_Cupin.
[Graphical view]
PANTHERiPTHR23418. PTHR23418. 1 hit.
PfamiPF03079. ARD. 1 hit.
[Graphical view]
SUPFAMiSSF51182. SSF51182. 1 hit.

Sequencei

Sequence statusi: Complete.

Q7V8X5-1 [UniParc]FASTAAdd to Basket

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        10         20         30         40         50
MSRLSIHPEG STNATSPAEP LLESDDPAVI KVELAKRGIA FQRWPAKVKL
60 70 80 90 100
DQNSSESDIL AAYAVEIARV QADGRYPTVD AIRITPDHPD REALRQKFLD
110 120 130 140 150
EHTHAEDEVR FFVEGCGLFC LHIGAEVLQV LCEQNDCINV PAGTRHWFDM
160 170 180
GSKPQFCAVR FFDNPEGWIA NFTGDAIAER FAKLP
Length:185
Mass (Da):20,649
Last modified:October 1, 2003 - v1
Checksum:i7F642F7459F8E8C7
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BX548175 Genomic DNA. Translation: CAE20372.1.
RefSeqiNP_894030.1. NC_005071.1.
WP_011129576.1. NC_005071.1.

Genome annotation databases

EnsemblBacteriaiCAE20372; CAE20372; PMT_0197.
GeneIDi1729659.
KEGGipmt:PMT0197.
PATRICi23008113. VBIProMar135351_0217.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BX548175 Genomic DNA. Translation: CAE20372.1 .
RefSeqi NP_894030.1. NC_005071.1.
WP_011129576.1. NC_005071.1.

3D structure databases

ProteinModelPortali Q7V8X5.
SMRi Q7V8X5. Positions 2-185.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 74547.PMT0197.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAE20372 ; CAE20372 ; PMT_0197 .
GeneIDi 1729659.
KEGGi pmt:PMT0197.
PATRICi 23008113. VBIProMar135351_0217.

Phylogenomic databases

eggNOGi COG1791.
KOi K08967.
OMAi VLCEKND.
OrthoDBi EOG6ZPT06.

Enzyme and pathway databases

UniPathwayi UPA00904 ; UER00878 .

Family and domain databases

Gene3Di 2.60.120.10. 1 hit.
HAMAPi MF_01682. Salvage_MtnD.
InterProi IPR023956. Acireductn_d0ase.
IPR004313. Acireductn_dOase_family.
IPR014710. RmlC-like_jellyroll.
IPR011051. RmlC_Cupin.
[Graphical view ]
PANTHERi PTHR23418. PTHR23418. 1 hit.
Pfami PF03079. ARD. 1 hit.
[Graphical view ]
SUPFAMi SSF51182. SSF51182. 1 hit.
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: MIT 9313.

Entry informationi

Entry nameiMTND_PROMM
AccessioniPrimary (citable) accession number: Q7V8X5
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 20, 2009
Last sequence update: October 1, 2003
Last modified: November 26, 2014
This is version 76 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. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3