Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
Entry version 55 (07 Oct 2020)
Sequence version 1 (16 Nov 2011)
Previous versions | rss
Help videoAdd a publicationFeedback
Protein

Methyl-accepting chemotaxis protein PctA

Gene

pctA

Organism
Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)
Status
Reviewed-Annotation score:

Annotation score:5 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

Chemotactic-signal transducers respond to changes in the concentration of attractants and repellents in the environment, transduce a signal from the outside to the inside of the cell, and facilitate sensory adaptation through the variation of the level of methylation. Major receptor that responds to all naturally occurring L-amino acids, except L-Gln and L-Asp. Also involved in repellent responses to trichloroethylene (TCE), chloroform and methylthiocyanate.4 Publications

<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 functionTransducer
Biological processChemotaxis

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
PAER208964:G1FZ6-4393-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:
Methyl-accepting chemotaxis protein PctA
<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:pctA
Ordered Locus Names:PA4309
<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>OrganismiPseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)
<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 identifieri208964 [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 lineageiBacteriaProteobacteriaGammaproteobacteriaPseudomonadalesPseudomonadaceaePseudomonas
<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
  • UP000002438 <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

Organism-specific databases

Pseudomonas genome database

More...
PseudoCAPi
PA4309

<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%5Flocation%5Fsection">'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 – 10CytoplasmicSequence analysis10
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'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>Transmembranei11 – 31HelicalSequence analysisAdd BLAST21
Topological domaini32 – 276PeriplasmicSequence analysisAdd BLAST245
Transmembranei277 – 297HelicalSequence analysisAdd BLAST21
Topological domaini298 – 629CytoplasmicSequence analysisAdd BLAST332

GO - Cellular componenti

Keywords - Cellular componenti

Cell inner membrane, Cell membrane, Membrane

<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

Mutant is defective in taxis toward 17 amino acids, including Gly, L-Ser, L-Thr and L-Val. Mutant shows also decreased chemotactic responses to TCE, chloroform and methylthiocyanate.3 Publications

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology%5Fand%5Fbiotech%5Fsection">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi126R → A: Fails to recognize L-Ala, L-Arg, L-Thr, L-Trp and L-Pro. 1 Publication1
Mutagenesisi128W → A: Fails to recognize L-Trp. Decreases affinity for L-Ala, L-Arg, L-Thr and L-Pro. 1 Publication1
Mutagenesisi144Y → A: Binds L-Trp, but not L-Ala, L-Arg, L-Thr and L-Pro. 1 Publication1
Mutagenesisi146D → A: Fails to recognize L-Ala, L-Arg, L-Thr, L-Trp and L-Pro. 1 Publication1
Mutagenesisi173D → A: Binds L-Trp, but not L-Ala, L-Arg, L-Thr and L-Pro. 1 Publication1

<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_00004248491 – 629Methyl-accepting chemotaxis protein PctAAdd BLAST629

Keywords - PTMi

Methylation

Proteomic databases

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

More...
PaxDbi
G3XD24

<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 in the absence and presence of ligands.

1 Publication

<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

Secondary structure

1629
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

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

More...
SMRi
G3XD24

Database of comparative protein structure models

More...
ModBasei
Search...

Protein Data Bank in Europe - Knowledge Base

More...
PDBe-KBi
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%5Fand%5Fdomains%5Fsection">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>Domaini140 – 217CacheAdd BLAST78
Domaini298 – 352HAMPPROSITE-ProRule annotationAdd BLAST55
Domaini357 – 593Methyl-accepting transducerPROSITE-ProRule annotationAdd BLAST237

<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

The ligand binding region binds directly to 17 L-amino acids.1 Publication

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_000445_107_19_6

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
G3XD24

KEGG Orthology (KO)

More...
KOi
K03406

Identification of Orthologs from Complete Genome Data

More...
OMAi
ITRNTEG

Database for complete collections of gene phylogenies

More...
PhylomeDBi
G3XD24

Family and domain databases

Conserved Domains Database

More...
CDDi
cd06225, HAMP, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR004090, Chemotax_Me-accpt_rcpt
IPR033479, dCache_1
IPR003660, HAMP_dom
IPR004089, MCPsignal_dom
IPR029151, Sensor-like_sf
IPR000727, T_SNARE_dom

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02743, dCache_1, 1 hit
PF00672, HAMP, 1 hit
PF00015, MCPsignal, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00260, CHEMTRNSDUCR

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00304, HAMP, 2 hits
SM00283, MA, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF103190, SSF103190, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50111, CHEMOTAXIS_TRANSDUC_2, 1 hit
PS50885, HAMP, 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.

G3XD24-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MIKSLKFSHK ILLAASLVVF AAFALFTLYN DYLQRNAIRE DLESYLREMG
60 70 80 90 100
DVTSSNIQNW LGGRLLLVEQ TAQTLARDHS PETVSALLEQ PALTSTFSFT
110 120 130 140 150
YLGQQDGVFT MRPDSPMPAG YDPRSRPWYK DAVAAGGLTL TEPYVDAATQ
160 170 180 190 200
ELIITAATPV KAAGNTLGVV GGDLSLKTLV QIINSLDFSG MGYAFLVSGD
210 220 230 240 250
GKILVHPDKE QVMKTLSEVY PQNTPKIATG FSEAELHGHT RILAFTPIKG
260 270 280 290 300
LPSVTWYLAL SIDKDKAYAM LSKFRVSAIA AALISIVAIL VLLGLLIRLL
310 320 330 340 350
MQPLHLMGRA MQDIAQGEGD LTKRLAVTSR DEFGVLGDAF NQFVERIHRS
360 370 380 390 400
IREVAGTAHK LHDVSQLVVN ASNSSMANSD EQSNRTNSVA AAINELGAAA
410 420 430 440 450
QEIARNAADA SHHASDANHQ AEDGKQVVEQ TIRAMNELSE KISASCANIE
460 470 480 490 500
ALNSRTVNIG QILEVIKGIS EQTNLLALNA AIEAARAGEA GRGFAVVADE
510 520 530 540 550
VRNLAHRAQE SAQQIQKMIE ELQVGAREAV ATMTESQRYS LESVEIANRA
560 570 580 590 600
GESLSSVTRR IGEIDGMNQS VATATEEQTA VVDSLNMDIT EINTLNQEGV
610 620
ENLQATLRAC GELETQAGRL RQLVDSFKI
Length:629
Mass (Da):68,017
Last modified:November 16, 2011 - 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:i714BA6C4DAC6725C
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 conflicti570 – 571SV → VL in BAA23412 (PubMed:9353923).Curated2

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
D50642 Genomic DNA Translation: BAA09307.1
D86947 Genomic DNA Translation: BAA23412.1
AE004091 Genomic DNA Translation: AAG07697.1

Protein sequence database of the Protein Information Resource

More...
PIRi
B83107

NCBI Reference Sequences

More...
RefSeqi
NP_252999.1, NC_002516.2
WP_003148125.1, NZ_ASJY01000714.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
AAG07697; AAG07697; PA4309

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
881565

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
pae:PA4309

Pathosystems Resource Integration Center (PATRIC)

More...
PATRICi
fig|208964.12.peg.4513

<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
D50642 Genomic DNA Translation: BAA09307.1
D86947 Genomic DNA Translation: BAA23412.1
AE004091 Genomic DNA Translation: AAG07697.1
PIRiB83107
RefSeqiNP_252999.1, NC_002516.2
WP_003148125.1, NZ_ASJY01000714.1

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...
PDBei

Protein Data Bank RCSB

More...
RCSB PDBi

Protein Data Bank Japan

More...
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
5LTXX-ray2.02A/B30-278[»]
5T65X-ray2.20A/B30-278[»]
5T7MX-ray2.25A/B30-278[»]
SMRiG3XD24
ModBaseiSearch...
PDBe-KBiSearch...

Proteomic databases

PaxDbiG3XD24

Genome annotation databases

EnsemblBacteriaiAAG07697; AAG07697; PA4309
GeneIDi881565
KEGGipae:PA4309
PATRICifig|208964.12.peg.4513

Organism-specific databases

PseudoCAPiPA4309

Phylogenomic databases

HOGENOMiCLU_000445_107_19_6
InParanoidiG3XD24
KOiK03406
OMAiITRNTEG
PhylomeDBiG3XD24

Enzyme and pathway databases

BioCyciPAER208964:G1FZ6-4393-MONOMER

Family and domain databases

CDDicd06225, HAMP, 1 hit
InterProiView protein in InterPro
IPR004090, Chemotax_Me-accpt_rcpt
IPR033479, dCache_1
IPR003660, HAMP_dom
IPR004089, MCPsignal_dom
IPR029151, Sensor-like_sf
IPR000727, T_SNARE_dom
PfamiView protein in Pfam
PF02743, dCache_1, 1 hit
PF00672, HAMP, 1 hit
PF00015, MCPsignal, 1 hit
PRINTSiPR00260, CHEMTRNSDUCR
SMARTiView protein in SMART
SM00304, HAMP, 2 hits
SM00283, MA, 1 hit
SUPFAMiSSF103190, SSF103190, 1 hit
PROSITEiView protein in PROSITE
PS50111, CHEMOTAXIS_TRANSDUC_2, 1 hit
PS50885, HAMP, 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 nameiPCTA_PSEAE
<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: G3XD24
Secondary accession number(s): O32442, Q51509, Q7DC77
<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: January 22, 2014
Last sequence update: November 16, 2011
Last modified: October 7, 2020
This is version 55 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

3D-structure, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.

Do not show this banner again