Protein detail
SO4A1
Solute carrier organic anion transporter family member 4A1 (OATP4A1) (Colon organic anion transporter) (Organic anion transporter polypeptide-related protein 1) (OATP-RP1) (OATPRP1) (POAT) (Organic anion-transporting polypeptide E) (OATP-E) (Sodium-independent organic anion transporter E) (Solute carrier family 21 member 12)
Protein symbol SO4A1 | UniProt ID | EVMP score 0.25 |
Frequency 1 | Transmembrane count 12 | Protein classification Metabolic proteinsPredicted membrane proteinsTransporters |
Basic Information
Protein Names
Solute carrier organic anion transporter family member 4A1 (OATP4A1) (Colon organic anion transporter) (Organic anion transporter polypeptide-related protein 1) (OATP-RP1) (OATPRP1) (POAT) (Organic anion-transporting polypeptide E) (OATP-E) (Sodium-independent organic anion transporter E) (Solute carrier family 21 member 12)
Protein Class
Metabolic proteinsPredicted membrane proteinsTransporters
Protein Function
Transporters:Electrochemical Potential-driven transporters
Transmembrane
104..124; Helical; Name=1; 144..164; Helical; Name=2; 171..195; Helical; Name=3; 223..253; Helical; Name=4; 273..293; Helical; Name=5; 308..332; Helical; Name=6; 379..400; Helical; Name=7; 421..444; Helical; Name=8; 449..471; Helical; Name=9; 581..603; Helical; Name=10; 613..638; Helical; Name=11; 672..689; Helical; Name=12
Transmembrane Count
12
Ensembl
Entrez Gene Symbol
Gene Synonym
OATP-EOATP4A1SLC21A12
Gene Description
Solute carrier organic anion transporter family member 4A1
Chromosome
20
Position
62642503-62685785
Frequency
1
EVMP Score
0.25
Fluorescence & Localization
Function & Pathway
Protein Function
Transporters:Electrochemical Potential-driven transporters
Cellular Component
Molecular Function
Biological Process
Reactome
Mediation Categories
Fusion and delivery mediation
Relations & Evidence
Enzyme-Mediated Modification
3 records.
| Substrate Gene Symbol | Enzyme Gene Symbol | Enzyme UniProt ID | Residue Type | Residue Offset | Modification | Database | References |
|---|---|---|---|---|---|---|---|
| SLCO4A1 | CDK2 | P24941 | S | 40 | phosphorylation | KEA | KEA:17570479 |
| SLCO4A1 | GSK3B | P49841 | S | 40 | phosphorylation | KEA | KEA:17570479 |
| SLCO4A1 | MAPK14 | Q16539 | S | 40 | phosphorylation | KEA | KEA:17570479 |
Ligand-Receptor Signaling
21 records.
| Category | Parent | Database | Transmitter | Receiver | Secreted | Plasma Membrane (Transmembrane) | Plasma Membrane (Peripheral) |
|---|---|---|---|---|---|---|---|
| receptor | receptor | OmniPath | No | Yes | No | Yes | No |
| transporter | transporter | Surfaceome | No | Yes | No | Yes | No |
| solute_carrier | transporter | Almen2009 | No | Yes | No | Yes | No |
| mfs | transporter | Surfaceome | No | Yes | No | Yes | No |
| slco | transporter | Surfaceome | No | Yes | No | Yes | No |
| slc | transporter | Surfaceome | No | Yes | No | Yes | No |
| transporter | transporter | OmniPath | No | Yes | No | Yes | No |
| transmembrane | transmembrane | UniProt_location | No | No | No | Yes | No |
| transmembrane | transmembrane | UniProt_topology | No | No | No | Yes | No |
| transmembrane | transmembrane | UniProt_keyword | No | No | No | Yes | No |
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Regulatory Interaction Network
0 records.
Protein Complex Composition
0 records.
Isolation & Detection Technology
1 record.
| EV Isolation Method | Detection Method | Number of References | References |
|---|---|---|---|
| Differential UltracentrifugationSize Exclusion Chromatography | Mass spectrometry | 1 | 30550287 |
Sequence, Structure & Domains
Sequences
Length
722
Mass
77,193
Sequence
MPLHQLGDKPLTFPSPNSAMENGLDHTPPSRRASPGTPLSPGSLRSAAHSPLDTSKQPLCQLWAEKHGARGTHEVRYVSAGQSVACGWWAFAPPCLQVLNTPKGILFFLCAAAFLQGMTVNGFINTVITSLERRYDLHSYQSGLIASSYDIAACLCLTFVSYFGGSGHKPRWLGWGVLLMGTGSLVFALPHFTAGRYEVELDAGVRTCPANPGAVCADSTSGLSRYQLVFMLGQFLHGVGATPLYTLGVTYLDENVKSSCSPVYIAIFYTAAILGPAAGYLIGGALLNIYTEMGRRTELTTESPLWVGAWWVGFLGSGAAAFFTAVPILGYPRQLPGSQRYAVMRAAEMHQLKDSSRGEASNPDFGKTIRDLPLSIWLLLKNPTFILLCLAGATEATLITGMSTFSPKFLESQFSLSASEAATLFGYLVVPAGGGGTFLGGFFVNKLRLRGSAVIKFCLFCTVVSLLGILVFSLHCPSVPMAGVTASYGGSLLPEGHLNLTAPCNAACSCQPEHYSPVCGSDGLMYFSLCHAGCPAATETNVDGQKVYRDCSCIPQNLSSGFGHATAGKCTSTCQRKPLLLVFIFVVIFFTFLSSIPALTATLRCVRDPQRSFALGIQWIVVRILGGIPGPIAFGWVIDKACLLWQDQCGQQGSCLVYQNSAMSRYILIMGLLYKVLGVLFFAIACFLYKPLSESSDGLETCLPSQSSAPDSATDSQLQSSV
Alternative Products
Event=Alternative splicing; Named isoforms=4; Comment=Experimental confirmation may be lacking for some isoforms.; Name=1; IsoId=Q96BD0-1; Sequence=Displayed; Name=2; IsoId=Q96BD0-2; Sequence=VSP_006152, VSP_006156; Name=3; IsoId=Q96BD0-3; Sequence=VSP_006153, VSP_006155; Name=4; IsoId=Q96BD0-4; Sequence=VSP_006154
Alternative Sequence
250..410; TYLDENVKSSCSPVYIAIFYTAAILGPAAGYLIGGALLNIYTEMGRRTELTTESPLWVGAWWVGFLGSGAAAFFTAVPILGYPRQLPGSQRYAVMRAAEMHQLKDSSRGEASNPDFGKTIRDLPLSIWLLLKNPTFILLCLAGATEATLITGMSTFSPKFL -> LFFAIACFLYKPLS (in isoform 2); 548..661; YRDCSCIPQNLSSGFGHATAGKCTSTCQRKPLLLVFIFVVIFFTFLSSIPALTATLRCVRDPQRSFALGIQWIVVRILGGIPGPIAFGWVIDKACLLWQDQCGQQGSCLVYQNS -> SGAAAYRPCPPLDPGKGPPCLPLVIGAIVGLPRCTETVAVSLRIFPLVLAMHCREMHFNLSEKAPPSGFHIRCNFLYIPQQHSCTNGNSTVSWGRVCACPELSLQHPEAELCRS (in isoform 3); 572..603; STCQRKPLLLVFIFVVIFFTFLSSIPALTATL -> TTALCAARTASCTSHCATQGALQPRRRMWTAR (in isoform 4); 662..722; Missing (in isoform 3); 686..722; CFLYKPLSESSDGLETCLPSQSSAPDSATDSQLQSSV -> SSRAASDHRPRPPGHGGHSAFPDDRTVPLGDAITRELLFDLQPST (in isoform 2)
3D Structural Models
Domain & Motif Annotations
Domain (CC)
A conserved histidine residue in the third TMD (His-191) may play an essential role in the pH sensitivity of SLCO4A1/OATP4A1-mediated substrate transport.
Domain (FT)
498..555; Kazal-like
Region
1..52; Disordered; 703..722; Disordered
Protein Families
Organo anion transporter (TC 2.A.60) family
Sequence Similarities
Belongs to the organo anion transporter (TC 2.A.60) family.
Clinical Relevance
Drugs