Modelled DT Structure
Method: homology modeling
Template PDB: 6JMQ_A
Identity: 53.593%
Minimized Score: -1054.292 kcal/mol
Detail: Structure Info
General Information of DT | |||||
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DT ID | DTD0475 | ||||
Gene Name | SLC7A8 | ||||
Protein Name | L-type amino acid transporter 2 | ||||
Gene ID | |||||
UniProt ID | |||||
TCDB ID | |||||
3D Structure |
Modelled DT Structure Method: homology modeling Template PDB: 6JMQ_A Identity: 53.593% Minimized Score: -1054.292 kcal/mol Detail: Structure Info |
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Synonyms | LAT2; LPI-PC1; Large neutral amino acids transporter small subunit 2; SLC7A8; Solute carrier family 7 member 8; hLAT2 | ||||
DT Family | Amino Acid-Polyamine-Organocation (APC) Family | ||||
L-type Amino Acid Transporter (LAT) Family | |||||
Tissue Specificity | Strongest expression is observed in kidney andmoderate expression in placenta and brain, followed by liver,prostate, testis, ovary, lymph node, thymus, spleen, skeletalmuscle and heart. Also expressed in fetal liver as well as in theretinal pigment epithelial cell line ARPE-19 and the intestinalepithelial cell line Caco-2. | ||||
Function | This transporter plays an essential role in the reabsorption of neutral amino acids from the epithelial cells to the bloodstream in the kidney, such as alanine, serine, threonine, cysteine, phenylalanine, tyrosine, leucine, arginine and tryptophan. Acts as an amino acid exchanger. Has higher affinity for L-phenylalanine than LAT1 but lower affinity for glutamine and serine. L-alanine is transported at physiological concentrations. Plays a role in basolateral (re)absorption of neutral amino acids. Involved in the uptake of methylmercury (MeHg) when administered as the L-cysteine or D,L-homocysteine complexes, and hence plays a role in metal ion homeostasis and toxicity. Involved in the cellular activity of small molecular weight nitrosothiols, via the stereoselective transport of L-nitrosocysteine (L-CNSO) across the transmembrane. | ||||
Disease(s) | Dietary shortage [ICD-11: 5B7Z] | ||||
Endogenous Substrate(s) | Asparagine; Methionine; Cystine | ||||
Variability Data of This Drug Transporter (DT) | |||||
Regulatory Variability Data of This DT (VARIDT 3.0) |
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(β) Post-translational Modification of This DT |
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(γ) Transcriptional Regulation of This DT |
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(δ) Epigenetic Regulation of This DT |
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Structural Variability Data of This DT (VARIDT 2.0) |
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(β) Inter-species Structural Differences |
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General Variability Data of This DT (VARIDT 1.0) |
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(β) Disease-specific Protein Abundances of This DT |
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(γ) Species- and Tissue-specific DT Abundances |
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Molecular Transporting Profile of This DT | |||||
Full List of Drug(s) Transported by This DT |
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Approved Drug |
Click to Show/Hide the Full List of Drug: 6 Drugs in Total | ||||
Drug Name | Highest Status | Detail | Indication | ICD 11 | Ref |
Glycine
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Approved | Drug Info | Dietary shortage | 5B7Z | [1] |
L-alanine
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Approved | Drug Info | Glioma | 2A00.0 | [1] |
L-phenylalanine
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Approved | Drug Info | Dietary shortage | 5B7Z | [2] |
L-proline
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Approved | Drug Info | Dietary shortage | 5B7Z | [1] |
L-tryptophan
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Approved | Drug Info | Depression | 6A8Z | [1] |
L-tyrosine
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Approved | Drug Info | Dietary shortage | 5B7Z | [1] |
Drug-DT Affinity Assessed by Cell Line |
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Approved Drug |
Click to Show/Hide the Full List of Drug: 1 Drugs in Total | ||||
Drug Name | Highest Status | Detail | Cell Line | Affinity | Ref |
L-phenylalanine | Approved | Drug Info | Xenopus oocytes-LAT2 | Km = 12.2 microM | [2] |
References | |||||
1 | The Transporter Classification Database (TCDB): recent advances. Nucleic Acids Res. 2016 Jan 4;44(D1):D372-9. (ID: 2.A.3.8.20) | ||||
2 | Quantifying the relative contributions of different solute carriers to aggregate substrate transport. Sci Rep. 2017 Jan 16;7:40628. | ||||
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