Protein detail

ABCG2

Broad substrate specificity ATP-binding cassette transporter ABCG2 (EC 7.6.2.2) (ATP-binding cassette sub-family G member 2) (Breast cancer resistance protein) (CDw338) (Mitoxantrone resistance-associated protein) (Placenta-specific ATP-binding cassette transporter) (Urate exporter) (CD antigen CD338)

Entry name
ABCG2
UniProt ID
EVMP confidence score
0.50
Supporting publications (n)
1
Transmembrane count
6
Protein classification
Cancer-related genesCD markersEnzymesHuman disease related genesMetabolic proteinsPredicted intracellular proteinsPredicted membrane proteinsTransporters
EVMP confidence score

Annotation confidence score; open for threshold definitions.

Extremely high >= 0.85High >= 0.70Medium >= 0.55Low >= 0.40
Basic Information13
Protein Names
Broad substrate specificity ATP-binding cassette transporter ABCG2 (EC 7.6.2.2) (ATP-binding cassette sub-family G member 2) (Breast cancer resistance protein) (CDw338) (Mitoxantrone resistance-associated protein) (Placenta-specific ATP-binding cassette transporter) (Urate exporter) (CD antigen CD338)
Protein Class (8)
Cancer-related genesCD markersEnzymesHuman disease related genesMetabolic proteinsPredicted intracellular proteinsPredicted membrane proteinsTransporters
Protein Function (7)
  • Predicted intracellular proteins
  • CD markers
  • Enzymes
  • ENZYME proteins
  • Cancer-related genes:Candidate cancer biomarkers
  • Transporters:Primary Active Transporters
  • Human disease related genes:Musculoskeletal diseases:Other musculoskeletal diseases
Transmembrane
396..416; Helical; 429..449; Helical; 478..498; Helical; 507..527; Helical; 536..556; Helical; 631..651; Helical
Transmembrane Count
6
Entrez Gene Symbol
Gene Synonym (5)
ABCPBCRPCD338EST157481MXR
Gene Description
ATP binding cassette subfamily G member 2 (Junior blood group)
Chromosome
4
Position
88090150-88231628
Supporting publications (n)
1
EVMP confidence score
0.50
Fluorescence & Localization4
ABCG2 fluorescence
Tissue Specificadipose tissueCell SpecificAdipocytesSingle-Nuclei Brain Specificvascular associated smooth muscle cell
Function & Pathway7
Protein Function (7)
  • Predicted intracellular proteins
  • CD markers
  • Enzymes
  • ENZYME proteins
  • Cancer-related genes:Candidate cancer biomarkers
  • Transporters:Primary Active Transporters
  • Human disease related genes:Musculoskeletal diseases:Other musculoskeletal diseases
Mediation Categories (3)
Clinical-translation mediationFusion and delivery mediationMetabolism mediation
Relations & Evidence36

Enzyme-Mediated Modification (1)

1 record.

Substrate Gene SymbolEnzyme Gene SymbolEnzyme UniProt IDResidue TypeResidue OffsetModificationDatabaseReferences
ABCG2PIM1P11309T362phosphorylationSparser_ProtMapperPhosphoSite_MIMPMIMPSIGNORProtMapperRLIMS-P_ProtMapperREACH_ProtMapperPhosphoSitePhosphoSite_ProtMapperProtMapper:23261525ProtMapper:25810011ProtMapper:27596051SIGNOR:18056989ProtMapper:22098950ProtMapper:22248732ProtMapper:21118091

Ligand-Receptor Signaling (30)

30 records.

CategoryParentDatabaseTransmitterReceiverSecretedPlasma Membrane (Transmembrane)Plasma Membrane (Peripheral)
transmembranetransmembraneLOCATENoNoNoNoNo
transmembranetransmembraneRamilowski_locationNoNoNoNoNo
transmembranetransmembraneOmniPathNoNoNoNoNo
plasma_membraneplasma_membraneUniProt_locationNoNoNoNoNo
apical_cell_membraneplasma_membraneUniProt_locationNoNoNoNoNo
plasma_membraneplasma_membraneOmniPathNoNoNoNoNo
cell_surfacecell_surfaceSurfaceomeNoNoNoNoNo
cell_surfacecell_surfaceOmniPathNoNoNoNoNo
receptorreceptorscConnectNoYesNoNoNo
transmembranetransmembrane_predictedPhobiusNoNoNoNoNo
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Regulatory Interaction Network (1)

1 record.

Source Protein SymbolSource UniProt IDTarget Protein SymbolTarget UniProt IDIs DirectedIs StimulationIs InhibitionDatabaseReferences
PIM1P11309ABCG2Q9UNQ0YesYesNoSparser_ProtMapperPhosphoSite_MIMPMIMPiPTMnetSIGNORProtMapperREACH_ProtMapperRLIMS-P_ProtMapperIntActSIGNOR_ProtMapperLit-BM-17PhosphoSitePhosphoSite_ProtMapperIntAct:18056989ProtMapper:23261525ProtMapper:25810011ProtMapper:27596051SIGNOR:18056989ProtMapper:22098950ProtMapper:22248732Lit-BM-17:18056989ProtMapper:21118091PhosphoSite:18056989ProtMapper:18056989

Protein Complex Composition (3)

3 records.

Component NameComponent Gene SymbolsComponent UniProt IDStoichiometryDatabaseDatabase IDsReferences
Abcg5-Abcg4 complexABCG2ABCG4ABCG5Q9H172Q9H222Q9UNQ01:1:1CompleatCompleat:HC291714504269
Abcg8-Abcg4 complexABCG2ABCG4ABCG8Q9H172Q9H221Q9UNQ01:1:1CompleatCompleat:HC245714504269
ABCG2Q9UNQ02PDBPDB:6vxiPDB:5njgPDB:6vxjPDB:8bhtPDB:6hbuPDB:8py4PDB:6hijPDB:8u2cPDB:7nfdPDB:7oj8PDB:6hzmPDB:8p8aPDB:8q7bPDB:7neqPDB:8p7wPDB:7nezPDB:8p8jPDB:8qcmPDB:6vxfPDB:6etiPDB:6ffcPDB:8pxoPDB:8bi0PDB:6hcoPDB:6feqPDB:5nj3PDB:7ojhPDB:6vxhPDB:7oji

Isolation & Detection Technology (1)

1 record.

EV Isolation MethodDetection MethodNumber of ReferencesReferences
Differential UltracentrifugationSize Exclusion ChromatographyImmunoaffinity CaptureMass Spectrometry23811336841068253
Sequence, Structure & Domains13

Sequences

Length
655
Mass
72,314
Sequence
MSSSNVEVFIPVSQGNTNGFPATASNDLKAFTEGAVLSFHNICYRVKLKSGFLPCRKPVEKEILSNINGIMKPGLNAILGPTGGGKSSLLDVLAARKDPSGLSGDVLINGAPRPANFKCNSGYVVQDDVVMGTLTVRENLQFSAALRLATTMTNHEKNERINRVIQELGLDKVADSKVGTQFIRGVSGGERKRTSIGMELITDPSILFLDEPTTGLDSSTANAVLLLLKRMSKQGRTIIFSIHQPRYSIFKLFDSLTLLASGRLMFHGPAQEALGYFESAGYHCEAYNNPADFFLDIINGDSTAVALNREEDFKATEIIEPSKQDKPLIEKLAEIYVNSSFYKETKAELHQLSGGEKKKKITVFKEISYTTSFCHQLRWVSKRSFKNLLGNPQASIAQIIVTVVLGLVIGAIYFGLKNDSTGIQNRAGVLFFLTTNQCFSSVSAVELFVVEKKLFIHEYISGYYRVSSYFLGKLLSDLLPMRMLPSIIFTCIVYFMLGLKPKADAFFVMMFTLMMVAYSASSMALAIAAGQSVVSVATLLMTICFVFMMIFSGLLVNLTTIASWLSWLQYFSIPRYGFTALQHNEFLGQNFCPGLNATGNNPCNYATCTGEEYLVKQGIDLSPWGLWKNHVALACMIVIFLTIAYLKLLFLKKYS
Alternative Products
Event=Alternative splicing; Named isoforms=2; Name=1; IsoId=Q9UNQ0-1; Sequence=Displayed; Name=2; IsoId=Q9UNQ0-2; Sequence=VSP_014232, VSP_014233
Alternative Sequence
550..611; IFSGLLVNLTTIASWLSWLQYFSIPRYGFTALQHNEFLGQNFCPGLNATGNNPCNYATCTGE -> VCWSISQPLHLGCHGFSTSAFHDMDLRLCSIMNFWDKTSAQDSMQQETILVTMQHVLAKNIW (in isoform 2); 612..655; Missing (in isoform 2)

3D Structural Models

Turn
82..84; 99..101; 212..215; 413..415; 597..599
Helix
86..94; 117..120; 136..147; 154..168; 171..173; 188..200; 218..233; 247..250; 270..272; 273..280; 290..299; 303..307; 329..337; 340..352; 373..390; 393..412; 422..439; 440..445; 446..449; 452..460; 466..476; 478..481; 484..497; 503..528; 535..550; 558..560; 563..566; 567..571; 573..586; 610..616; 624..649
Beta Strand
37..45; 62..71; 73..79; 104..108; 121..124; 132..135; 150..152; 174..177; 181..183; 205..211; 237..241; 254..260; 263..268; 286..288; 418..421; 552..556; 602..605
3D Structure
Electron microscopy (29)

Domain & Motif Annotations

Domain (CC)
The extracellular loop 3 (ECL3) is involved in binding porphyrins and transfer them to other carriers, probably albumin.
Domain (FT)
37..286; ABC transporter; 389..651; ABC transmembrane type-2
Protein Families (3)
  • ABC transporter superfamily
  • ABCG family
  • Eye pigment precursor importer (TC 3.A.1.204) subfamily
Sequence Similarities
Belongs to the ABC transporter superfamily. ABCG family. Eye pigment precursor importer (TC 3.A.1.204) subfamily.
Clinical Relevance5
Supporting Publications1
PMIDTitleAbstract
27894104Proteomic profiling of NCI-60 extracellular vesicles uncovers common protein cargo and cancer type-specific biomarkers.No abstract available