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Entry version 103 (16 Oct 2019)
Sequence version 1 (15 Feb 2005)
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Protein

Methylthioribose-1-phosphate isomerase

Gene

Mri1

Organism
Rattus norvegicus (Rat)
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>
-Experimental evidence at protein leveli <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

Catalyzes the interconversion of methylthioribose-1-phosphate (MTR-1-P) into methylthioribulose-1-phosphate (MTRu-1-P).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 <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: L-methionine biosynthesis via salvage pathway

This protein is involved in step 1 of the subpathway that synthesizes L-methionine from S-methyl-5-thio-alpha-D-ribose 1-phosphate.UniRule annotation
Proteins known to be involved in the 6 steps of the subpathway in this organism are:
  1. Methylthioribose-1-phosphate isomerase (Mri1)
  2. Methylthioribulose-1-phosphate dehydratase (Apip)
  3. Enolase-phosphatase E1 (Enoph1)
  4. Enolase-phosphatase E1 (Enoph1)
  5. 1,2-dihydroxy-3-keto-5-methylthiopentene dioxygenase (Adi1)
  6. no protein annotated in this organism
This subpathway is part of the pathway L-methionine biosynthesis via salvage pathway, which is itself part of Amino-acid biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes L-methionine from S-methyl-5-thio-alpha-D-ribose 1-phosphate, the pathway L-methionine biosynthesis via salvage pathway and in Amino-acid biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei168Transition state stabilizerUniRule annotation1
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei248Proton donorUniRule 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 functionIsomerase
Biological processAmino-acid biosynthesis, Methionine biosynthesis

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-RNO-1237112 Methionine salvage pathway

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

More...
UniPathwayi
UPA00904;UER00874

<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:
Methylthioribose-1-phosphate isomeraseUniRule annotation (EC:5.3.1.23UniRule annotation)
Short name:
M1PiUniRule annotation
Short name:
MTR-1-P isomeraseUniRule annotation
Alternative name(s):
S-methyl-5-thioribose-1-phosphate isomeraseUniRule annotation
Translation initiation factor eIF-2B subunit alpha/beta/delta-like proteinUniRule 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:Mri1
<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>OrganismiRattus norvegicus (Rat)
<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 identifieri10116 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<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
  • UP000002494 <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 19

Organism-specific databases

Rat genome database

More...
RGDi
1307789 Mri1

<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

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Keywords - Cellular componenti

Cytoplasm, Nucleus

<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_00003173271 – 369Methylthioribose-1-phosphate isomeraseAdd BLAST369

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei1N-acetylmethionineBy similarity1
Modified residuei158Omega-N-methylarginineBy similarity1
Modified residuei366PhosphoserineCombined sources1

Keywords - PTMi

Acetylation, Methylation, Phosphoprotein

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
Q5HZE4

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q5HZE4

PRoteomics IDEntifications database

More...
PRIDEi
Q5HZE4

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q5HZE4

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
Q5HZE4

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000026211 Expressed in 10 organ(s), highest expression level in skeletal muscle tissue

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q5HZE4 RN

<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

GO - Molecular functioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000003762

<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
Q5HZE4

Database of comparative protein structure models

More...
ModBasei
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

<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 eIF-2B alpha/beta/delta subunits family. MtnA subfamily.UniRule annotation

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG1468 Eukaryota
COG0182 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00390000013732

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000224730

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q5HZE4

KEGG Orthology (KO)

More...
KOi
K08963

Identification of Orthologs from Complete Genome Data

More...
OMAi
ACETRPL

Database of Orthologous Groups

More...
OrthoDBi
1410886at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q5HZE4

TreeFam database of animal gene trees

More...
TreeFami
TF300852

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.20.120.420, 1 hit
3.40.50.10470, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_01678 Salvage_MtnA, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000649 IF-2B-related
IPR005251 IF-M1Pi
IPR042529 IF_2B-like_C
IPR011559 Initiation_fac_2B_a/b/d
IPR027363 M1Pi_N
IPR037171 NagB/RpiA_transferase-like

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01008 IF-2B, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF100950 SSF100950, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00524 eIF-2B_rel, 1 hit
TIGR00512 salvage_mtnA, 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>. The information is filed in different subsections. The current subsections and their content are listed below:<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.

Q5HZE4-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MRLEAIRYSP GSLQILDQLQ LPEHCHYETL SSVQQAREAI RAMKVRGAPA
60 70 80 90 100
IALVGCLSLA VELQAGAGGP GLAALVAFVR DQLSLLVAAR PTAVNMARAA
110 120 130 140 150
RDLTHMAARE AELEGATEET VRERVIRFAE DMLEKDLKDN RSIGDLGARH
160 170 180 190 200
LLEQTNPRGG KVTVLTHCNT GALATAGYGT ALGVIRSLHE MGRLEHTFCT
210 220 230 240 250
ETRPYNQGAR LTAFELVYEK IPATLITDSM AAAAMVHQGV SAVVVGADRV
260 270 280 290 300
VANGDTANKI GTYQLAIVAK HHGIPFYVAA PSSSCDLRLE TGKEIVIEER
310 320 330 340 350
PSQELTDLNG VRIAAQGIRV WNPAFDVTPH ELITGGIITE LGVFAPEELR
360
AALSATIFSE GQTLDSPQM
Length:369
Mass (Da):39,587
Last modified:February 15, 2005 - 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:i1163019AB4B5EC64
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
BC089060 mRNA Translation: AAH89060.1

NCBI Reference Sequences

More...
RefSeqi
NP_001010947.1, NM_001010947.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000003762; ENSRNOP00000003762; ENSRNOG00000026211

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
288912

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:288912

<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
BC089060 mRNA Translation: AAH89060.1
RefSeqiNP_001010947.1, NM_001010947.1

3D structure databases

SMRiQ5HZE4
ModBaseiSearch...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000003762

PTM databases

iPTMnetiQ5HZE4
PhosphoSitePlusiQ5HZE4

Proteomic databases

jPOSTiQ5HZE4
PaxDbiQ5HZE4
PRIDEiQ5HZE4

Genome annotation databases

EnsembliENSRNOT00000003762; ENSRNOP00000003762; ENSRNOG00000026211
GeneIDi288912
KEGGirno:288912

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
84245
RGDi1307789 Mri1

Phylogenomic databases

eggNOGiKOG1468 Eukaryota
COG0182 LUCA
GeneTreeiENSGT00390000013732
HOGENOMiHOG000224730
InParanoidiQ5HZE4
KOiK08963
OMAiACETRPL
OrthoDBi1410886at2759
PhylomeDBiQ5HZE4
TreeFamiTF300852

Enzyme and pathway databases

UniPathwayiUPA00904;UER00874
ReactomeiR-RNO-1237112 Methionine salvage pathway

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q5HZE4

Gene expression databases

BgeeiENSRNOG00000026211 Expressed in 10 organ(s), highest expression level in skeletal muscle tissue
GenevisibleiQ5HZE4 RN

Family and domain databases

Gene3Di1.20.120.420, 1 hit
3.40.50.10470, 1 hit
HAMAPiMF_01678 Salvage_MtnA, 1 hit
InterProiView protein in InterPro
IPR000649 IF-2B-related
IPR005251 IF-M1Pi
IPR042529 IF_2B-like_C
IPR011559 Initiation_fac_2B_a/b/d
IPR027363 M1Pi_N
IPR037171 NagB/RpiA_transferase-like
PfamiView protein in Pfam
PF01008 IF-2B, 1 hit
SUPFAMiSSF100950 SSF100950, 1 hit
TIGRFAMsiTIGR00524 eIF-2B_rel, 1 hit
TIGR00512 salvage_mtnA, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
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 nameiMTNA_RAT
<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: Q5HZE4
<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: February 5, 2008
Last sequence update: February 15, 2005
Last modified: October 16, 2019
This is version 103 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 programChordata 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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