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Protein

Tetrahydromethanopterin S-methyltransferase subunit A

Gene

mtrA

Organism
Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A)
Status
Reviewed-Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Protein inferred from homologyi <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Part of a complex that catalyzes the formation of methyl-coenzyme M and tetrahydromethanopterin from coenzyme M and methyl-tetrahydromethanopterin. This is an energy-conserving, sodium-ion translocating step.UniRule annotation

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the ‘Function’ section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

5-hydroxybenzimidazolylcob(I)amideUniRule annotationNote: Binds 1 5-hydroxybenzimidazolylcobamide group.UniRule annotation

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: methanogenesis from CO(2)

This protein is involved in step 2 of the subpathway that synthesizes methyl-coenzyme M from 5,10-methylene-5,6,7,8-tetrahydromethanopterin.UniRule annotation
Proteins known to be involved in the 2 steps of the subpathway in this organism are:
  1. 5,10-methylenetetrahydromethanopterin reductase (mer)
  2. Tetrahydromethanopterin S-methyltransferase subunit E (mtrE), Tetrahydromethanopterin S-methyltransferase subunit D (mtrD), Tetrahydromethanopterin S-methyltransferase subunit H (mtrH), Tetrahydromethanopterin S-methyltransferase subunit G (mtrG), Tetrahydromethanopterin S-methyltransferase subunit A (mtrA), Tetrahydromethanopterin S-methyltransferase subunit B (mtrB), Tetrahydromethanopterin S-methyltransferase subunit C (mtrC), Tetrahydromethanopterin S-methyltransferase subunit F (mtrF)
This subpathway is part of the pathway methanogenesis from CO(2), which is itself part of One-carbon metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes methyl-coenzyme M from 5,10-methylene-5,6,7,8-tetrahydromethanopterin, the pathway methanogenesis from CO(2) and in One-carbon metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Function’ section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei855'-hydroxybenzimidazolyl-cobamide cofactorUniRule annotation1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionMethyltransferase, Transferase
Biological processMethanogenesis, One-carbon metabolism
LigandCobalt

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
MACE188937:G1FZT-292-MONOMER

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...
UniPathwayi
UPA00640;UER00698

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Tetrahydromethanopterin S-methyltransferase subunit AUniRule annotation (EC:2.1.1.86UniRule annotation)
Alternative name(s):
N5-methyltetrahydromethanopterin--coenzyme M methyltransferase subunit AUniRule annotation
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:mtrAUniRule annotation
Ordered Locus Names:MA_0272
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiMethanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri188937 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiArchaeaEuryarchaeotaStenosarchaea groupMethanomicrobiaMethanosarcinalesMethanosarcinaceaeMethanosarcina
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000002487 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini1 – 218CytoplasmicUniRule annotationAdd BLAST218
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei219 – 239HelicalUniRule annotationAdd BLAST21
Topological domaini240ExtracellularUniRule annotation1

GO - Cellular componenti

Keywords - Cellular componenti

Cell membrane, Membrane

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001475011 – 240Tetrahydromethanopterin S-methyltransferase subunit AAdd BLAST240

Proteomic databases

PRoteomics IDEntifications database

More...
PRIDEi
Q8TU03

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

The complex is composed of 8 subunits; MtrA, MtrB, MtrC, MtrD, MtrE, MtrF, MtrG and MtrH.UniRule annotation

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
188937.MA0272

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q8TU03

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi169 – 176Poly-Glu8
Compositional biasi232 – 238Poly-Leu7

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the MtrA family.UniRule annotation

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
arCOG03221 Archaea
COG4063 LUCA

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q8TU03

KEGG Orthology (KO)

More...
KOi
K00577

Identification of Orthologs from Complete Genome Data

More...
OMAi
EVKGHIT

Database of Orthologous Groups

More...
OrthoDBi
POG093Z0GAB

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q8TU03

Family and domain databases

HAMAP database of protein families

More...
HAMAPi
MF_01093 MtrA, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR030688 MeTrfase_MtrA/MtxA
IPR005778 MtrA

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF04208 MtrA, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF500207 MtrA, 1 hit
PIRSF009452 MtrA_MtxA, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR01111 mtrA, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

Q8TU03-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MVDKKEPASG WPILKGEYEV GDVKGCVAVI TCASHLPGKP VLDAGAAITG
60 70 80 90 100
SCKTENLGIE KVVAHVISNP NIRYLVVTGA EVKGHVTGQA MLSIHANGVK
110 120 130 140 150
EHRIVGAVGA IPYVENLNDD AVARFQQQIE TVNLLDTEDM GAITAKVREL
160 170 180 190 200
VAKDPGAFDA EPMVVEISEE GEEEEEGGVV RPVSGEIAVI RSRLKAIEAR
210 220 230 240
MLDIGNLNKF HSGVHAGKIE GAMIGLTVTI SLLGLLLLGR
Length:240
Mass (Da):25,342
Last modified:June 1, 2002 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iE6D81A2B358D2079
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AE010299 Genomic DNA Translation: AAM03725.1

NCBI Reference Sequences

More...
RefSeqi
WP_011020330.1, NC_003552.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
AAM03725; AAM03725; MA_0272

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
1472164

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mac:MA_0272

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE010299 Genomic DNA Translation: AAM03725.1
RefSeqiWP_011020330.1, NC_003552.1

3D structure databases

SMRiQ8TU03
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi188937.MA0272

Proteomic databases

PRIDEiQ8TU03

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiAAM03725; AAM03725; MA_0272
GeneIDi1472164
KEGGimac:MA_0272

Phylogenomic databases

eggNOGiarCOG03221 Archaea
COG4063 LUCA
InParanoidiQ8TU03
KOiK00577
OMAiEVKGHIT
OrthoDBiPOG093Z0GAB
PhylomeDBiQ8TU03

Enzyme and pathway databases

UniPathwayi
UPA00640;UER00698

BioCyciMACE188937:G1FZT-292-MONOMER

Family and domain databases

HAMAPiMF_01093 MtrA, 1 hit
InterProiView protein in InterPro
IPR030688 MeTrfase_MtrA/MtxA
IPR005778 MtrA
PfamiView protein in Pfam
PF04208 MtrA, 1 hit
PIRSFiPIRSF500207 MtrA, 1 hit
PIRSF009452 MtrA_MtxA, 1 hit
TIGRFAMsiTIGR01111 mtrA, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiMTRA_METAC
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q8TU03
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 28, 2003
Last sequence update: June 1, 2002
Last modified: December 5, 2018
This is version 99 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
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