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 85 (08 May 2019)
Sequence version 1 (05 Jul 2004)
Previous versions | rss
Other tutorials and videosHelp videoFeedback
Protein

Anion exchange protein 2

Gene

SLC4A2

Organism
Equus caballus (Horse)
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 transcript 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

Plasma membrane anion exchange protein of wide distribution.By similarity

<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

Biological processAnion exchange, Antiport, Ion transport, Transport

<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:
Anion exchange protein 2
Short name:
AE 2
Short name:
Anion exchanger 2
Alternative name(s):
Non-erythroid band 3-like protein
Solute carrier family 4 member 2
<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:SLC4A2
Synonyms:AE2
<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>OrganismiEquus caballus (Horse)
<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 identifieri9796 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaPerissodactylaEquidaeEquus
<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
  • UP000002281 <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: Unplaced

<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

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'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 – 704CytoplasmicSequence analysisAdd BLAST704
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'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>Transmembranei705 – 725HelicalSequence analysisAdd BLAST21
Transmembranei750 – 770HelicalSequence analysisAdd BLAST21
Transmembranei792 – 812HelicalSequence analysisAdd BLAST21
Transmembranei822 – 842HelicalSequence analysisAdd BLAST21
Topological domaini843 – 893ExtracellularSequence analysisAdd BLAST51
Transmembranei894 – 914HelicalSequence analysisAdd BLAST21
Topological domaini915 – 929CytoplasmicSequence analysisAdd BLAST15
Transmembranei930 – 950HelicalSequence analysisAdd BLAST21
Transmembranei985 – 1005HelicalSequence analysisAdd BLAST21
Transmembranei1032 – 1052HelicalSequence analysisAdd BLAST21
Transmembranei1086 – 1106HelicalSequence analysisAdd BLAST21
Transmembranei1109 – 1129HelicalSequence analysisAdd BLAST21
Transmembranei1170 – 1190HelicalSequence analysisAdd BLAST21

Keywords - Cellular componenti

Membrane

<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_00003540911 – 1237Anion exchange protein 2Add BLAST1237

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 residuei113PhosphoserineBy similarity1
Modified residuei132PhosphoserineBy similarity1
Modified residuei144PhosphoserineBy similarity1
Modified residuei170PhosphoserineBy similarity1
Modified residuei172PhosphoserineBy similarity1
Modified residuei239PhosphoserineBy similarity1
Modified residuei253PhosphothreonineBy similarity1
Modified residuei270N6-methyllysineBy similarity1
Modified residuei439PhosphoserineBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi855N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi864N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi878N-linked (GlcNAc...) asparagineSequence analysis1
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position(s) and the type of covalently attached lipid group(s).<p><a href='/help/lipid' target='_top'>More...</a></p>Lipidationi1169S-palmitoyl cysteineBy similarity1

Keywords - PTMi

Glycoprotein, Lipoprotein, Methylation, Palmitate, Phosphoprotein

Proteomic databases

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

More...
PaxDbi
Q6SJP2

PRoteomics IDEntifications database

More...
PRIDEi
Q6SJP2

<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
Q6SJP2

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

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni704 – 1237Membrane (anion exchange)Add BLAST534

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi5 – 184Pro-richAdd BLAST180
Compositional biasi74 – 88His-richAdd BLAST15

<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

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG1172 Eukaryota
ENOG410XPHD LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000280683

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q6SJP2

KEGG Orthology (KO)

More...
KOi
K13855

Database of Orthologous Groups

More...
OrthoDBi
265068at2759

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.40.930.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001717 Anion_exchange
IPR002978 Anion_exchange_2
IPR018241 Anion_exchange_CS
IPR013769 Band3_cytoplasmic_dom
IPR011531 HCO3_transpt_C
IPR003020 HCO3_transpt_euk
IPR016152 PTrfase/Anion_transptr

The PANTHER Classification System

More...
PANTHERi
PTHR11453 PTHR11453, 1 hit
PTHR11453:SF14 PTHR11453:SF14, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF07565 Band_3_cyto, 1 hit
PF00955 HCO3_cotransp, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00165 ANIONEXCHNGR
PR01188 ANIONEXHNGR2
PR01231 HCO3TRNSPORT

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF55804 SSF55804, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00834 ae, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00219 ANION_EXCHANGER_1, 1 hit
PS00220 ANION_EXCHANGER_2, 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.

Q6SJP2-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSSAPRRPAS GADSFRTPEP EILGPATAGF PEQEEDELHR TLGVERFEEI
60 70 80 90 100
LQEAGSRGGE EPGRSYGEED FEYHRQSSHH IHHPLSTHLP PDTRRRKTPQ
110 120 130 140 150
GPGRKSRRRP GASPTGETPT IEEGEEDEDE ASEAEGARAP TQPSPASTPS
160 170 180 190 200
SVQFFLQEDD GADRKAERTS PSPPPPLPHQ EAAPRATKGA QTGALVEEVM
210 220 230 240 250
AVAGGTAGGD DGGASGRPLT KAQPGHRSYN LQERRRIGSM TGAEQALLPR
260 270 280 290 300
VPTDESEAQT LATADLDLMK SHRFEDVPGV RRHLVRKNAK GSVQSGREGR
310 320 330 340 350
EPGPTPRARP RAPHKPHEVF VELNELLLDK NQEPQWRETA RWIKFEEDVE
360 370 380 390 400
EETERWGKPH VASLSFRSLL ELRRTLAHGA VLLDLDQQTL PGVAHQVVEQ
410 420 430 440 450
MVISDQIKAE DRADVLRALL LKHSHPSDEK DFSFPRNISA GSLGSLLGHH
460 470 480 490 500
HGQGAESDPH VTEPLIGGVP ETRLEVERER ELSPPAPPAG ITRSKSKHEL
510 520 530 540 550
KLLEKIPENA EATVVLVGCV EFLSRPTMAF VRLREAVELD AVLEVPVPVR
560 570 580 590 600
FLFLLLGPSS ANMDYHEIGR SISTLMSDKQ FHEAAYLADE REDLLTAINA
610 620 630 640 650
FLDCSVVLPP SEVQGEELLR SVAHFQRQML KKREEQGRLL PTGAGLEPKS
660 670 680 690 700
AQDKALLQMV EAAGAVEDDP LRRTGRPFGG LIRDVRRRYP HYLSDFRDAL
710 720 730 740 750
DPQCLAAVIF IYFAALSPAI TFGGLLGEKT QDLIGVSELI MSTALQGVVF
760 770 780 790 800
CLLGAQPLLV IGFSGPLLVF EEAFFSFCSS NDLEYLVGRV WIGFWLVLLA
810 820 830 840 850
LLMVALEGSF LVRFVSRFTQ EIFAFLISLI FIYETFYKLV KIFQEHPLHG
860 870 880 890 900
CSVSNSSEAD SGDNATWAGT RVTLGLGNGS SAGPAGQGRP RGQPNTALLS
910 920 930 940 950
LVLMAGTFFI AFFLRKFKNG RFFPGRVRRV IGDFGVPIAI LIMVLVDYSI
960 970 980 990 1000
EDTYTQKLSV PSGFSVTAPE KRGWVINPLG EKSSFPVWMM VASLLPAILV
1010 1020 1030 1040 1050
FILIFMETQI TTLIISKKER MLQKGSGFHL DLLLIVAMGG ICALFGLPWL
1060 1070 1080 1090 1100
AAATVRSVTH ANALTVMSKA VAPGDKPKIQ EVKEQRVTGL LVALLVGLSI
1110 1120 1130 1140 1150
VIGDLLRQIP LAVLFGIFLY MGVTSLNGIQ FYERLHLLLM PPKHHPDVTY
1160 1170 1180 1190 1200
VKKVRTLRMH LFTALQLLCL ALLWAVMSTA ASLAFPFILI LTVPLRMVVL
1210 1220 1230
TRIFTEREMK CLDANEAEPV FDEREGVDEY NEMPMPV
Length:1,237
Mass (Da):136,357
Last modified:July 5, 2004 - 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:iA385FD19EA34402E
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
AY457176 mRNA Translation: AAR21623.1

NCBI Reference Sequences

More...
RefSeqi
NP_001075235.1, NM_001081766.1

Genome annotation databases

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
791243

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ecb:791243

<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
AY457176 mRNA Translation: AAR21623.1
RefSeqiNP_001075235.1, NM_001081766.1

3D structure databases

SMRiQ6SJP2
ModBaseiSearch...

Proteomic databases

PaxDbiQ6SJP2
PRIDEiQ6SJP2

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi791243
KEGGiecb:791243

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
6522

Phylogenomic databases

eggNOGiKOG1172 Eukaryota
ENOG410XPHD LUCA
HOGENOMiHOG000280683
InParanoidiQ6SJP2
KOiK13855
OrthoDBi265068at2759

Family and domain databases

Gene3Di3.40.930.10, 1 hit
InterProiView protein in InterPro
IPR001717 Anion_exchange
IPR002978 Anion_exchange_2
IPR018241 Anion_exchange_CS
IPR013769 Band3_cytoplasmic_dom
IPR011531 HCO3_transpt_C
IPR003020 HCO3_transpt_euk
IPR016152 PTrfase/Anion_transptr
PANTHERiPTHR11453 PTHR11453, 1 hit
PTHR11453:SF14 PTHR11453:SF14, 1 hit
PfamiView protein in Pfam
PF07565 Band_3_cyto, 1 hit
PF00955 HCO3_cotransp, 1 hit
PRINTSiPR00165 ANIONEXCHNGR
PR01188 ANIONEXHNGR2
PR01231 HCO3TRNSPORT
SUPFAMiSSF55804 SSF55804, 1 hit
TIGRFAMsiTIGR00834 ae, 1 hit
PROSITEiView protein in PROSITE
PS00219 ANION_EXCHANGER_1, 1 hit
PS00220 ANION_EXCHANGER_2, 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 nameiB3A2_HORSE
<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: Q6SJP2
<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 25, 2008
Last sequence update: July 5, 2004
Last modified: May 8, 2019
This is version 85 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
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