Drug Transporter (DT) Information

General Information of DT
DT ID DTD0503
Gene Name SLCO4C1
Protein Name Organic anion transporting polypeptide 4C1
Gene ID
353189
UniProt ID
Q6ZQN7
TCDB ID
2.A.60.1.11
3D Structure

Modelled DT Structure

Method: multi-sequence alignment based machine learning

Detail: Structure Info

Synonyms OATP-H; OATP-M1; OATP4C1; OATPX; Organic anion transporter M1; PRO2176; SLC21A20; SLCO4C1; Solute carrier family 21 member 20
DT Family Organo Anion Transporter (OAT) Family ;
Tissue Specificity Predominantly expressed in kidney but also weakly expressed in both fetal liver and kidney.
Function This organic anion transporter mediates the transport of pharmacological substances such as digoxin, ouabain, thyroxine, methotrexate and cAMP. May participate in the regulation of membrane transport of ouabain. Involved in the uptake of the dipeptidyl peptidase-4 inhibitor sitagliptin and hence may play a role in its transport into and out of renal proximal tubule cells. May be involved in the first step of the transport pathway of digoxin and various compounds into the urine in the kidney. May be involved in sperm maturation by enabling directed movement of organic anions and compounds within or between cells. This ion-transporting process is important to maintain the strict epididymal homeostasis necessary for sperm maturation. May have a role in secretory functions since seminal vesicle epithelial cells are assumed to secrete proteins involved in decapacitation by modifying surface proteins to facilitate the acquisition of the ability to fertilize the egg.
Disease(s) Hypothyroidism [ICD-11: 5A00.2]
Type 2 diabetes [ICD-11: 5A11]
Endogenous Substrate(s) Cardiac glycosides; Ouabain; Thyroxine; Triiodothyronine
Variability Data of This Drug Transporter (DT)

Regulatory Variability Data of This DT (VARIDT 3.0)

(β) Post-translational Modification of This DT
Post-translational Modification (PTM)

(γ) Transcriptional Regulation of This DT
Transcriptional Regulation (TSR)

(δ) Epigenetic Regulation of This DT
Epigenetic Regulation (EGR)

(ε) Exogenous Modulation of This DT
Exogenous Modulation (EGM)

Structural Variability Data of This DT (VARIDT 2.0)

(β) Inter-species Structural Differences
Inter-species Structural Differences (ISD)

General Variability Data of This DT (VARIDT 1.0)

(β) Disease-specific Protein Abundances of This DT
Disease-specific Protein Abundances of This DT (DPAD)

(γ) Species- and Tissue-specific DT Abundances
Species/Tissue-specific Protein Abundances of This DT (S/TPAD)
Molecular Transporting Profile of This DT

Full List of Drug(s) Transported by This DT

 Approved Drug

 Click to Show/Hide the Full List of Drug:            5 Drugs in Total
Drug Name Highest Status Detail Indication ICD 11 Ref
Digoxin
 Approved Drug Info Arrhythmias BC60-BC9Z [1]
Estrone sulfate
 Approved Drug Info Menopausal symptoms MF32 [2]
Liothyronine
 Approved Drug Info Hypothyroidism 5A00.2 [1]
Ouabain
 Approved Drug Info Heart failure BD1Z [1]
Saxagliptin
 Approved Drug Info Type 2 diabetes 5A11 [3]

Endogenous Metabolites (EMs) Handled by This DT

 Endogenous Metabolites (EMs)

 Click to Show/Hide the Full List of EMs:            1 EMs in Total
EM Name PubChem CID Detail Experimental Material Ref
Indoxyl sulfate
10258
EM Info Identified using hSLCO4C1-expressing rat [4]

Drug-DT Affinity Assessed by Cell Line

 Approved Drug

 Click to Show/Hide the Full List of Drug:            3 Drugs in Total
Drug Name Highest Status Detail Cell Line Affinity Ref
Digoxin Approved Drug Info Madin-Darby canine kidney (MDCK) cells-OATP4C1 Km = 7.8 microM [1]
Liothyronine Approved Drug Info Madin-Darby canine kidney (MDCK) cells-OATP4C1 Km = 5.9 microM [1]
Ouabain Approved Drug Info Madin-Darby canine kidney (MDCK) cells-OATP4C1 Km = 0.38 microM [1]
References
1 Isolation and characterization of a digoxin transporter and its rat homologue expressed in the kidney. Proc Natl Acad Sci U S A. 2004 Mar 9;101(10):3569-74.
2 Transport of estrone 3-sulfate mediated by organic anion transporter OATP4C1: estrone 3-sulfate binds to the different recognition site for digoxin in OATP4C1. Drug Metab Pharmacokinet. 2010;25(3):314-7.
3 Comparative clinical pharmacokinetics of dipeptidyl peptidase-4 inhibitors. Clin Pharmacokinet. 2012 Aug 1;51(8):501-14.
4 SLCO4C1 transporter eliminates uremic toxins and attenuates hypertension and renal inflammation. J Am Soc Nephrol. 2009 Dec;20(12):2546-55.

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