General Information of Drug Transporter (DT)
DT ID DTD0025 Transporter Info
Gene Name SLC22A8
Transporter Name Organic anion transporter 3
Gene ID
9376
UniProt ID
Q8TCC7
Post-Translational Modification of This DT
Overview of SLC22A8 Modification Sites with Functional and Structural Information
Sequence
PTM type
X-N-glycosylation X-Phosphorylation X-SUMOylation X: Amino Acid

N-glycosylation

  Asparagine

          2 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SLC22A8 [1]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

86

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SLC22A8 Asparagine 86 has the potential to affect its expression or activity.

  PTM Phenomenon 2

Have the potential to influence SLC22A8 [1]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

102

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SLC22A8 Asparagine 102 has the potential to affect its expression or activity.

Phosphorylation

  Serine

          8 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Decreasing the activity of SLC22A8 [2]

Role of PTM

Protein Activity Modulation

Affected Drug/Substrate

Para-aminohippuric acid (PAH)

Results for Drug

Decreasing uptake of para-aminohippuric acid (PAH)

Modified Residue

Serine

Related Enzyme

Protein phosphatase 1 regulatory subunit 1A (PPP1R1A)

Experimental Material(s)

Pig kidney epithelial (LLC-PK1) cells

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Serine have been reported to decrease its transport activity.

  PTM Phenomenon 2

Have the potential to influence SLC22A8 [3]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

4

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Serine 4 has the potential to affect its expression or activity.

  PTM Phenomenon 3

Have the potential to influence SLC22A8 [3]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

293

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Serine 293 has the potential to affect its expression or activity.

  PTM Phenomenon 4

Have the potential to influence SLC22A8 [4] , [5]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

315

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Serine 315 has the potential to affect its expression or activity.

  PTM Phenomenon 5

Have the potential to influence SLC22A8 [6]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

460

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Serine 460 has the potential to affect its expression or activity.

  PTM Phenomenon 6

Have the potential to influence SLC22A8 [6]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

511

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Serine 511 has the potential to affect its expression or activity.

  PTM Phenomenon 7

Have the potential to influence SLC22A8 [3]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

541

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Serine 541 has the potential to affect its expression or activity.

  PTM Phenomenon 8

Have the potential to influence SLC22A8 [3]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

542

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Serine 542 has the potential to affect its expression or activity.

  Threonine

          3 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SLC22A8 [3]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

2

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Threonine 2 has the potential to affect its expression or activity.

  PTM Phenomenon 2

Have the potential to influence SLC22A8 [4] , [5]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

313

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Threonine 313 has the potential to affect its expression or activity.

  PTM Phenomenon 3

Have the potential to influence SLC22A8 [7]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

373

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Threonine 373 has the potential to affect its expression or activity.

  Tyrosine

          1 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SLC22A8 [5]

Role of PTM

Potential impacts

Modified Residue

Tyrosine

Modified Location

312

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 Tyrosine 312 has the potential to affect its expression or activity.

  Unclear Residue

          1 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Enhancing the expression and transport activity SLC22A8 [8]

Role of PTM

Protein Activity Modulation

Related Enzyme

cAMP-dependent protein kinase catalytic subunit alpha (PRKACA)

Experimental Material(s)

African green monkey kidney fibroblast-like (COS-7) cells

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SLC22A8 have been reported to enhance its expression and transport activity.

SUMOylation

  Lysine

          1 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Enhancing the recycling rate and transport activity SLC22A8 [9]

Role of PTM

Protein Activity Modulation

Modified Residue

Lysine

Related Enzyme

Small ubiquitin-related modifier 2 (SUMO2)
Small ubiquitin-related modifier 3 (SUMO3)

Experimental Material(s)

African green monkey kidney fibroblast-like (COS-7) cells

Experimental Method

Co-Immunoprecipitation

Detailed Description

SUMOylation at SLC22A8 Lysine have been reported to enhance its recycling rate and transport activity.
References
1 dbPTM in 2022: an updated database for exploring regulatory networks and functional associations of protein post-translational modifications. Nucleic Acids Res. 2022 Jan 7;50(D1):D471-D479. (ID: S22A8_HUMAN)
2 Regulation of mOAT-mediated organic anion transport by okadaic acid and protein kinase C in LLC-PK(1) cells. J Biol Chem. 2000 Apr 7;275(14):10278-84.
3 Identification of Missing Proteins in the Phosphoproteome of Kidney Cancer. J Proteome Res. 2017 Dec 1;16(12):4364-4373.
4 TiO2 with Tandem Fractionation (TAFT): An Approach for Rapid, Deep, Reproducible, and High-Throughput Phosphoproteome Analysis. J Proteome Res. 2018 Jan 5;17(1):710-721.
5 Displacement of N/Q-rich peptides on TiO2 beads enhances the depth and coverage of yeast phosphoproteome analyses. J Proteome Res. 2013 Jun 7;12(6):2905-13.
6 Ischemia in tumors induces early and sustained phosphorylation changes in stress kinase pathways but does not affect global protein levels. Mol Cell Proteomics. 2014 Jul;13(7):1690-704.
7 Phosphoproteomics study on the activated PKC-induced cell death. J Proteome Res. 2013 Oct 4;12(10):4280-301.
8 Insulin-like growth factor 1 modulates the phosphorylation, expression, and activity of organic anion transporter 3 through protein kinase A signaling pathway. Acta Pharm Sin B. 2020 Jan;10(1):186-194.
9 Activation of Protein Kinase A Stimulates SUMOylation, Expression, and Transport Activity of Organic Anion Transporter 3. AAPS J. 2019 Feb 13;21(2):30.

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