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Entry version 145 (16 Oct 2019)
Sequence version 3 (23 Jan 2007)
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Protein

Myosin regulatory light polypeptide 9

Gene

Myl9

Organism
Mus musculus (Mouse)
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

Myosin regulatory subunit that plays an important role in regulation of both smooth muscle and nonmuscle cell contractile activity via its phosphorylation. Implicated in cytokinesis, receptor capping, and cell locomotion.By similarity

Miscellaneous

This chain binds calcium.By similarity

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section specifies the position(s) of the calcium-binding region(s) within the protein. One common calcium-binding motif is the EF-hand, but other calcium-binding motifs also exist.<p><a href='/help/ca_bind' target='_top'>More...</a></p>Calcium bindingi42 – 53Add BLAST12

<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

<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 functionMotor protein, Muscle protein, Myosin
LigandCalcium, Metal-binding

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-MMU-445355 Smooth Muscle Contraction
R-MMU-5627123 RHO GTPases activate PAKs

<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:
Myosin regulatory light polypeptide 9
Alternative name(s):
Myosin regulatory light chain 2, smooth muscle isoform
Myosin regulatory light chain 9
<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:Myl9
Synonyms:Myrl2
<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>OrganismiMus musculus (Mouse)
<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 identifieri10090 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<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
  • UP000000589 <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 2

Organism-specific databases

Mouse genome database (MGD) from Mouse Genome Informatics (MGI)

More...
MGIi
MGI:2138915 Myl9

<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

<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 <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section indicates that the initiator methionine is cleaved from the mature protein.<p><a href='/help/init_met' target='_top'>More...</a></p>Initiator methionineiRemovedBy similarity
<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_00001987362 – 172Myosin regulatory light polypeptide 9Add BLAST171

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 residuei2N-acetylserineBy similarity1
Modified residuei19Phosphothreonine; by MLCK, CIT and ROCK2By similarity1
Modified residuei20Phosphoserine; by CDC42BP, CIT, MLCK, PAK1, ROCK1, ROCK2, DAPK1, DAPK2 and ZIPK/DAPK31 Publication1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Phosphorylation increases the actin-activated myosin ATPase activity and thereby regulates the contractile activity. It is required to generate the driving force in the migration of the cells but not necessary for localization of myosin-2 at the leading edge.By similarity

Keywords - PTMi

Acetylation, Phosphoprotein

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
Q9CQ19

MaxQB - The MaxQuant DataBase

More...
MaxQBi
Q9CQ19

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

More...
PaxDbi
Q9CQ19

PeptideAtlas

More...
PeptideAtlasi
Q9CQ19

PRoteomics IDEntifications database

More...
PRIDEi
Q9CQ19

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q9CQ19

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

More...
PhosphoSitePlusi
Q9CQ19

SwissPalm database of S-palmitoylation events

More...
SwissPalmi
Q9CQ19

<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
ENSMUSG00000067818 Expressed in 306 organ(s), highest expression level in aorta

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q9CQ19 MM

<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

Myosin is a hexamer of 2 heavy chains and 4 light chains: interacts with myosin heavy chain MYO19.

1 Publication

GO - Molecular functioni

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
221155, 2 interactors

Protein interaction database and analysis system

More...
IntActi
Q9CQ19, 5 interactors

Molecular INTeraction database

More...
MINTi
Q9CQ19

STRING: functional protein association networks

More...
STRINGi
10090.ENSMUSP00000085913

<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
Q9CQ19

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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini29 – 64EF-hand 1PROSITE-ProRule annotationAdd BLAST36
Domaini98 – 133EF-hand 2PROSITE-ProRule annotationAdd BLAST36
Domaini134 – 169EF-hand 3PROSITE-ProRule annotationAdd BLAST36

Keywords - Domaini

Repeat

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0031 Eukaryota
COG5126 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000155458

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000233018

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9CQ19

KEGG Orthology (KO)

More...
KOi
K12755

Identification of Orthologs from Complete Genome Data

More...
OMAi
FNYREWV

Database of Orthologous Groups

More...
OrthoDBi
1435392at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9CQ19

TreeFam database of animal gene trees

More...
TreeFami
TF314218

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00051 EFh, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011992 EF-hand-dom_pair
IPR018247 EF_Hand_1_Ca_BS
IPR002048 EF_hand_dom

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF13405 EF-hand_6, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00054 EFh, 2 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF47473 SSF47473, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00018 EF_HAND_1, 1 hit
PS50222 EF_HAND_2, 3 hits

<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.

<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 in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

Q9CQ19-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSSKRAKAKT TKKRPQRATS NVFAMFDQSQ IQEFKEAFNM IDQNRDGFID
60 70 80 90 100
KEDLHDMLAS LGKNPTDEYL EGMMNEAPGP INFTMFLTMF GEKLNGTDPE
110 120 130 140 150
DVIRNAFACF DEEASGFIHE DHLRELLTTM GDRFTDEEVD EMYREAPIDK
160 170
KGNFNYVEFT RILKHGAKDK DD
Length:172
Mass (Da):19,854
Last modified:January 23, 2007 - 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:iD588C708BF5A2D56
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 conflicti132D → V in BAE35452 (PubMed:16141072).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
AK007972 mRNA Translation: BAB25381.1
AK020258 mRNA Translation: BAB32043.1
AK159880 mRNA Translation: BAE35452.1
BC049974 mRNA Translation: AAH49974.2
BC055439 mRNA Translation: AAH55439.1

The Consensus CDS (CCDS) project

More...
CCDSi
CCDS50779.1

NCBI Reference Sequences

More...
RefSeqi
NP_742116.1, NM_172118.1
XP_006500516.1, XM_006500453.3

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSMUST00000088552; ENSMUSP00000085913; ENSMUSG00000067818

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
98932

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mmu:98932

UCSC genome browser

More...
UCSCi
uc008nnw.2 mouse

<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
AK007972 mRNA Translation: BAB25381.1
AK020258 mRNA Translation: BAB32043.1
AK159880 mRNA Translation: BAE35452.1
BC049974 mRNA Translation: AAH49974.2
BC055439 mRNA Translation: AAH55439.1
CCDSiCCDS50779.1
RefSeqiNP_742116.1, NM_172118.1
XP_006500516.1, XM_006500453.3

3D structure databases

SMRiQ9CQ19
ModBaseiSearch...

Protein-protein interaction databases

BioGridi221155, 2 interactors
IntActiQ9CQ19, 5 interactors
MINTiQ9CQ19
STRINGi10090.ENSMUSP00000085913

PTM databases

iPTMnetiQ9CQ19
PhosphoSitePlusiQ9CQ19
SwissPalmiQ9CQ19

Proteomic databases

jPOSTiQ9CQ19
MaxQBiQ9CQ19
PaxDbiQ9CQ19
PeptideAtlasiQ9CQ19
PRIDEiQ9CQ19

Genome annotation databases

EnsembliENSMUST00000088552; ENSMUSP00000085913; ENSMUSG00000067818
GeneIDi98932
KEGGimmu:98932
UCSCiuc008nnw.2 mouse

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
10398
MGIiMGI:2138915 Myl9

Phylogenomic databases

eggNOGiKOG0031 Eukaryota
COG5126 LUCA
GeneTreeiENSGT00940000155458
HOGENOMiHOG000233018
InParanoidiQ9CQ19
KOiK12755
OMAiFNYREWV
OrthoDBi1435392at2759
PhylomeDBiQ9CQ19
TreeFamiTF314218

Enzyme and pathway databases

ReactomeiR-MMU-445355 Smooth Muscle Contraction
R-MMU-5627123 RHO GTPases activate PAKs

Miscellaneous databases

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

More...
ChiTaRSi
Myl9 mouse

Protein Ontology

More...
PROi
PR:Q9CQ19

The Stanford Online Universal Resource for Clones and ESTs

More...
SOURCEi
Search...

Gene expression databases

BgeeiENSMUSG00000067818 Expressed in 306 organ(s), highest expression level in aorta
GenevisibleiQ9CQ19 MM

Family and domain databases

CDDicd00051 EFh, 1 hit
InterProiView protein in InterPro
IPR011992 EF-hand-dom_pair
IPR018247 EF_Hand_1_Ca_BS
IPR002048 EF_hand_dom
PfamiView protein in Pfam
PF13405 EF-hand_6, 1 hit
SMARTiView protein in SMART
SM00054 EFh, 2 hits
SUPFAMiSSF47473 SSF47473, 1 hit
PROSITEiView protein in PROSITE
PS00018 EF_HAND_1, 1 hit
PS50222 EF_HAND_2, 3 hits

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 nameiMYL9_MOUSE
<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: Q9CQ19
Secondary accession number(s): Q3TW15, Q80X77
<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: January 23, 2007
Last modified: October 16, 2019
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 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. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
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