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

<p>Describes the catalytic activity of an enzyme, i.e. the chemical reaction it catalyzes. This information usually correlates with the presence of an EC (Enzyme Commission) number in the ‘Names and taxonomy’ section.</p><p><a href='../manual/catalytic_activity' target='_top'>More...</a></p>Catalytic activityⁱ

<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><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Molecular functionⁱ

1. arginine-tRNA ligase activity Source: UniProtKB-HAMAP
2. ATP binding Source: UniProtKB-HAMAP

<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><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Biological processⁱ

1. arginyl-tRNA aminoacylation Source: UniProtKB-HAMAP

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Molecular functionⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Biological processⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Ligandⁱ

Enzyme and pathway databases

<p>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><p><a href='../manual/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyⁱ

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

<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><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Cellular componentⁱ

1. cytoplasm Source: UniProtKB-SubCell

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Cellular componentⁱ

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

Molecule processing

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the extent of a polypeptide chain in the mature protein following processing.</p><p><a href='../manual/chain' target='_top'>More...</a></p>Chaini	1 – 575	575	Arginine--tRNA ligase		PRO_1000071392	Add BLAST

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

<p>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 ‘Function’ section).</p><p><a href='../manual/subunit_structure' target='_top'>More...</a></p>Subunit structureⁱ

Protein-protein interaction databases

<p>Provides information on the tertiary structure of a protein.</p><p><a href='../manual/structure_section' target='_top'>More...</a></p>Structureⁱ

3D structure databases

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

Motif

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.</p><p><a href='../manual/motif' target='_top'>More...</a></p>Motifi	122 – 132	11	"HIGH" region			Add BLAST

<p>Provides information about the sequence similarity with other proteins.</p><p><a href='../manual/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesⁱ

Phylogenomic databases

Family and domain databases

<p>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 length and molecular weight.</p><p><a href='../manual/sequences_section' target='_top'>More...</a></p>Sequenceⁱ

<p>Indicates if the canonical sequence displayed by default in the entry is complete or not.</p><p><a href='../manual/sequence_status' target='_top'>More...</a></p>Sequence statusⁱ: Complete.

        10         20         30         40         50
MNIQQLLSEK IRHAMIAAGA QQPAEPAVRQ SGKPQFGDYQ ANGIMGAAKK 
        60         70         80         90        100
LGLNPREFAQ KVLDNLNLDG IAEKLEIAGP GFINIFLSKN WLVCHADEML 
       110        120        130        140        150
SAVNFGIKTA KPQTIVVDYS SPNVAKEMHV GHLRSTIIGD AVVRTLEFLG 
       160        170        180        190        200
NHVIRANHVG DWGTQFGMLI AYLEKMENEN ASAMQLSDLE AFYRAAKEHY 
       210        220        230        240        250
DNDEAFAEKA RNYVVKLQSG DEYCRIMWKK LVDITMRHNQ ENYDRLNVTL 
       260        270        280        290        300
TEKDVMGESL YNPMLPEIVA DLKKQGLAVE DDGALVVYLD EFKNKDGDPM 
       310        320        330        340        350
GVIVQKKDGG YLYTTTDIAA AKYRCHKLHA DRVLVFSDSR QSQHMQQAWL 
       360        370        380        390        400
ITRKAGYVPD SFSLEHPFFG MMLGKDGKPF KTRTGGTVKL KDLLDEAVER 
       410        420        430        440        450
ADKLIAERNP DLTAEEKAAV VEAVAIGSVK YSDLSKNRTT DYVFDWDNML 
       460        470        480        490        500
TFEGNTAPYM QYAYTRIRSI FARAGIEPNS LNDDIVLTDD KERVLVIKLL 
       510        520        530        540        550
QFEEALNGVA KDGMPHILCQ YLYELAGMFS AFYEACPILN AERPIKNSRL 
       560        570 
KLAALAAKTL KQGLDLLGIK TVEKM                       

Sequence databases

Genome annotation databases

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

Sequence databases

3D structure databases

Protein-protein interaction databases

Protocols and materials databases

Genome annotation databases

Phylogenomic databases

Enzyme and pathway databases

Family and domain databases

<p>Contains the literature citations that are the sources of data used to annotate the entry. Each reference is numbered and contains several subsections allowing a precise description of a given citation.</p><p><a href='../manual/publications_section' target='_top'>More...</a></p>Publicationsⁱ

1. "A genomic perspective on the potential of Actinobacillus succinogenes for industrial succinate production."
   McKinlay J.B., Laivenieks M., Schindler B.D., McKinlay A.A., Siddaramappa S., Challacombe J.F., Lowry S.R., Clum A., Lapidus A.L., Burkhart K.B., Harkins V., Vieille C.
   BMC Genomics 11:680-680(2010) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
   Strain: ATCC 55618 / 130Z.
   

<p>Provides general information on the entry.</p><p><a href='../manual/entry_information_section' target='_top'>More...</a></p>Entry informationⁱ

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

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Technical termⁱ

Documents

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

External Data

<p>Provides links to the UniProt Reference Clusters (<a href="/help/uniref">UniRef</a>). UniRef consists of clusters for UniProtKB sequences (including isoforms) and selected UniParc sequences, in order to obtain complete coverage of the sequence space at resolutions of 100%, 90% and 50% identity.</p><p><a href='../manual/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsⁱ