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Entry version 145 (07 Apr 2021)
Sequence version 3 (07 Jul 2009)
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Protein

Valine--tRNA ligase

Gene

valS

Organism
Bacillus subtilis (strain 168)
Status
Reviewed-Annotation score:

Annotation score:4 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

As ValRS can inadvertently accommodate and process structurally similar amino acids such as threonine, to avoid such errors, it has a 'posttransfer' editing activity that hydrolyzes mischarged Thr-tRNA(Val) in a tRNA-dependent manner (By similarity).

Catalyzes the attachment of valine to tRNA(Val).

By similarity

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">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

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> 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 sitei528ATPUniRule 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 functionAminoacyl-tRNA synthetase, Ligase, Repressor
Biological processProtein biosynthesis
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
BSUB:BSU28090-MONOMER

<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%5Fand%5Ftaxonomy%5Fsection">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:
Valine--tRNA ligaseUniRule annotation (EC:6.1.1.9UniRule annotation)
Alternative name(s):
Valyl-tRNA synthetaseUniRule annotation
Short name:
ValRSUniRule annotation
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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:valSUniRule annotation
Ordered Locus Names:BSU28090
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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>OrganismiBacillus subtilis (strain 168)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri224308 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiBacteriaFirmicutesBacilliBacillalesBacillaceaeBacillus
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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
  • UP000001570 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">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

Keywords - Cellular componenti

Cytoplasm

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

<p>This subsection of the 'Pathology and Biotech' section describes the in vivo effects caused by ablation of the gene (or one or more transcripts) coding for the protein described in the entry. This includes gene knockout and knockdown, provided experiments have been performed in the context of a whole organism or a specific tissue, and not at the single-cell level.<p><a href='/help/disruption_phenotype' target='_top'>More...</a></p>Disruption phenotypei

Cells lacking this gene grow normally, suggesting there is a second functional gene with valine-tRNA synthetase activity in B.subtilis.1 Publication

<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 or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001062141 – 880Valine--tRNA ligaseAdd BLAST880

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
Q05873

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

More...
PaxDbi
Q05873

PRoteomics IDEntifications database

More...
PRIDEi
Q05873

<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

<p>This subsection of the 'Expression' section reports the experimentally proven effects of inducers and repressors (usually chemical compounds or environmental factors) on the level of protein (or mRNA) expression (up-regulation, down-regulation, constitutive expression).<p><a href='/help/induction' target='_top'>More...</a></p>Inductioni

By valine starvation. Is transcribed by itself and in an operon with folC. A GUC triplet (Val, the specifier codon) 190 nucleotides upstream of the initiator codon confers induction upon valaine starvation; replacing it with ACC (Thr) confers induction upon threonine starvation, replacing it with UAA (stop), renders the gene uninducible. Negatively regulates its own transcription; this depends on the presence of the GUC specifier codon.1 Publication

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Monomer.

UniRule annotation

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
224308.BSU28090

<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
Q05873

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

Coiled coil

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and domains' section denotes the positions of regions of coiled coil within the protein.<p><a href='/help/coiled' target='_top'>More...</a></p>Coiled coili809 – 879UniRule annotationAdd BLAST71

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi49 – 59'HIGH' regionAdd BLAST11
Motifi525 – 529'KMSKS' region5

<p>This subsection of the 'Family and domains' section provides general information on the biological role of a domain. The term 'domain' is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

ValRS has two distinct active sites: one for aminoacylation and one for editing. The misactivated threonine is translocated from the active site to the editing site.UniRule annotation
The C-terminal coiled-coil domain is crucial for aminoacylation activity.UniRule annotation

<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 class-I aminoacyl-tRNA synthetase family. ValS type 1 subfamily.UniRule annotation

Keywords - Domaini

Coiled coil

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
COG0525, Bacteria

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q05873

Identification of Orthologs from Complete Genome Data

More...
OMAi
FATKLWN

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q05873

Family and domain databases

Conserved Domains Database

More...
CDDi
cd07962, Anticodon_Ia_Val, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.10.287.380, 1 hit
3.40.50.620, 1 hit
3.90.740.10, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_02004, Val_tRNA_synth_type1, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001412, aa-tRNA-synth_I_CS
IPR002300, aa-tRNA-synth_Ia
IPR033705, Anticodon_Ia_Val
IPR013155, M/V/L/I-tRNA-synth_anticd-bd
IPR014729, Rossmann-like_a/b/a_fold
IPR010978, tRNA-bd_arm
IPR009080, tRNAsynth_Ia_anticodon-bd
IPR037118, Val-tRNA_synth_C_sf
IPR019499, Val-tRNA_synth_tRNA-bd
IPR009008, Val/Leu/Ile-tRNA-synth_edit
IPR002303, Valyl-tRNA_ligase

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF08264, Anticodon_1, 1 hit
PF00133, tRNA-synt_1, 1 hit
PF10458, Val_tRNA-synt_C, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00986, TRNASYNTHVAL

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF46589, SSF46589, 1 hit
SSF47323, SSF47323, 1 hit
SSF50677, SSF50677, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00422, valS, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00178, AA_TRNA_LIGASE_I, 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%5Flength">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%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

Q05873-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
METNEQTMPT KYDPAAVEKD RYDFWLKGKF FEAGSDQTKE PYSVVIPPPN
60 70 80 90 100
VTGRLHLGHA WDTTLQDIVT RMKRMQGYDV LWLPGMDHAG IATQAKVEAK
110 120 130 140 150
LREEGKSRYD LGREKFLEET WKWKEEYADF IRSQWAKLGL GLDYSRERFT
160 170 180 190 200
LDEGLSKAVR EVFVKLYEKG LIYRGEYIIN WDPATKTALS DIEVIYKDVQ
210 220 230 240 250
GAFYHMSYPL ADGSGSIEIA TTRPETMLGD TAVAVHPEDE RYKHLIGKTV
260 270 280 290 300
ILPIVNREIP IVGDDYVDME FGSGAVKITP AHDPNDFELG NRHNLERILV
310 320 330 340 350
MNEDGTMNEN ALQYQGMDRF ECRKKLVKDL QEAGVLFKIE DHMHSVGHSE
360 370 380 390 400
RSGAVVEPYL STQWFVRMQP LADAAIELQK KEEKVNFVPD RFEKTYLHWM
410 420 430 440 450
ENIRDWCISR QLWWGHRIPA WYHKETGELY VGLEAPEDSE NWEQDTDVLD
460 470 480 490 500
TWFSSALWPF STMGWPDVTA EDFKRYYPTD VLVTGYDIIF FWVSRMIFQG
510 520 530 540 550
IEFTGERPFK DVLIHGLIRD EQGRKMSKSL GNGVDPMDVI DKYGADSLRY
560 570 580 590 600
FLATGSSPGQ DLRFSYEKVE STWNFANKIW NASRFALMNM DGMTYDELDL
610 620 630 640 650
SGEKSVADKW ILTRLNETIE HVTQLADRYE FGEVGRHLYN FIWDDFCDWY
660 670 680 690 700
IEMAKLPLYG EDEAAKKTTR SILAYVLDQT MRLLHPFMPF LTEEIWQHLP
710 720 730 740 750
HQGESITVSQ WPAVVPEHTD TEAAADMKLL VELIRSVRNI RSEVNTPMSK
760 770 780 790 800
QVELYIKTST DEIASRLEAN RSYVERFTNP SVLKIGTDIE AVDKAMTAVV
810 820 830 840 850
SGAEVILPLE GLINIDEEIA RLQKEFDKLT KEVERVQKKL GNEGFMKKAP
860 870 880
AHVIDEEREK EKDYVAKRDA VQKRMAELKG
Length:880
Mass (Da):101,745
Last modified:July 7, 2009 - v3
<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:iEAA0A4508F6283D7
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti379Q → E in CAA54458 (PubMed:9098041).Curated1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
X77239 Genomic DNA Translation: CAA54458.1
AL009126 Genomic DNA Translation: CAB14769.2
L04520 Genomic DNA Translation: AAB59020.1

Protein sequence database of the Protein Information Resource

More...
PIRi
S41420

NCBI Reference Sequences

More...
RefSeqi
NP_390687.2, NC_000964.3
WP_004398606.1, NZ_JNCM01000036.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
CAB14769; CAB14769; BSU_28090

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
937491

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
bsu:BSU28090

Pathosystems Resource Integration Center (PATRIC)

More...
PATRICi
fig|224308.179.peg.3051

<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
X77239 Genomic DNA Translation: CAA54458.1
AL009126 Genomic DNA Translation: CAB14769.2
L04520 Genomic DNA Translation: AAB59020.1
PIRiS41420
RefSeqiNP_390687.2, NC_000964.3
WP_004398606.1, NZ_JNCM01000036.1

3D structure databases

SMRiQ05873
ModBaseiSearch...

Protein-protein interaction databases

STRINGi224308.BSU28090

Proteomic databases

jPOSTiQ05873
PaxDbiQ05873
PRIDEiQ05873

Genome annotation databases

EnsemblBacteriaiCAB14769; CAB14769; BSU_28090
GeneIDi937491
KEGGibsu:BSU28090
PATRICifig|224308.179.peg.3051

Phylogenomic databases

eggNOGiCOG0525, Bacteria
InParanoidiQ05873
OMAiFATKLWN
PhylomeDBiQ05873

Enzyme and pathway databases

BioCyciBSUB:BSU28090-MONOMER

Family and domain databases

CDDicd07962, Anticodon_Ia_Val, 1 hit
Gene3Di1.10.287.380, 1 hit
3.40.50.620, 1 hit
3.90.740.10, 1 hit
HAMAPiMF_02004, Val_tRNA_synth_type1, 1 hit
InterProiView protein in InterPro
IPR001412, aa-tRNA-synth_I_CS
IPR002300, aa-tRNA-synth_Ia
IPR033705, Anticodon_Ia_Val
IPR013155, M/V/L/I-tRNA-synth_anticd-bd
IPR014729, Rossmann-like_a/b/a_fold
IPR010978, tRNA-bd_arm
IPR009080, tRNAsynth_Ia_anticodon-bd
IPR037118, Val-tRNA_synth_C_sf
IPR019499, Val-tRNA_synth_tRNA-bd
IPR009008, Val/Leu/Ile-tRNA-synth_edit
IPR002303, Valyl-tRNA_ligase
PfamiView protein in Pfam
PF08264, Anticodon_1, 1 hit
PF00133, tRNA-synt_1, 1 hit
PF10458, Val_tRNA-synt_C, 1 hit
PRINTSiPR00986, TRNASYNTHVAL
SUPFAMiSSF46589, SSF46589, 1 hit
SSF47323, SSF47323, 1 hit
SSF50677, SSF50677, 1 hit
TIGRFAMsiTIGR00422, valS, 1 hit
PROSITEiView protein in PROSITE
PS00178, AA_TRNA_LIGASE_I, 1 hit

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 nameiSYV_BACSU
<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: Q05873
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 1, 1994
Last sequence update: July 7, 2009
Last modified: April 7, 2021
This is version 145 of the entry and version 3 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

Reference proteome

Documents

  1. Aminoacyl-tRNA synthetases
    List of aminoacyl-tRNA synthetase entries
  2. SIMILARITY comments
    Index of protein domains and families
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