Detail Information of Post-Translational Modifications

General Information of Drug Transporter (DT)
DT ID	DTD0130 Transporter Info
Gene Name	SLC1A2
Transporter Name	Excitatory amino acid transporter 2
Gene ID	6506
UniProt ID	P43004

Post-Translational Modification of This DT
Overview of SLC1A2 Modification Sites with Functional and Structural Information
Sequence	M A S T E G A N N M P K Q V E V R M H D S H L G S E E P K H R H L G L R L C D K L G K N L L L T L T V F G V I L G A V C G G L L R L A S P I H P D V V M L I A F P G D I L M R M L K M L I L P L I I S S L I T G L S G L D A K A S G R L G T R A M V Y Y M S T T I I A A V L G V I L V L A I H P G N P K L K K Q L G P G K K N D E V S S L D A F L D L I R N L F P E N L V Q A C F Q Q I Q T V T K K V L V A P P P D E E A N A T S A V V S L L N E T V T E V P E E T K M V I K K G L E F K D G M N V L G L I G F F I A F G I A M G K M G D Q A K L M V D F F N I L N E I V M K L V I M I M W Y S P L G I A C L I C G K I I A I K D L E V V A R Q L G M Y M V T V I I G L I I H G G I F L P L I Y F V V T R K N P F S F F A G I F Q A W I T A L G T A S S A G T L P V T F R C L E E N L G I D K R V T R F V L P V G A T I N M D G T A L Y E A V A A I F I A Q M N G V V L D G G Q I V T V S L T A T L A S V G A A S I P S A G L V T M L L I L T A V G L P T E D I S L L V A V D W L L D R M R T S V N V V G D S F G A G I V Y H L S K S E L D T I D S Q H R V H E D I E M T K T Q S I Y D D M K N H R E S N S N Q C V Y A A H N S V I V D E C K V T L A A N G K S A D C S V E E E P W K R E K
PTM type	X-N-glycosylation X-Oxidation X-Palmitoylation X-Phosphorylation X-SUMOylation X-Ubiquitination 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 SLC1A2			[1]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	206
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC1A2 Asparagine 206 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC1A2			[1]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	216
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC1A2 Asparagine 216 has the potential to affect its expression or activity.
Oxidation
Cystine	3 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC1A2			[2]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	38
Experimental Method	Co-Immunoprecipitation
Detailed Description	Oxidation at SLC1A2 Cystine 38 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC1A2			[3]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	184
Experimental Method	Co-Immunoprecipitation
Detailed Description	Oxidation at SLC1A2 Cystine 184 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC1A2			[3]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	563
Experimental Method	Co-Immunoprecipitation
Detailed Description	Oxidation at SLC1A2 Cystine 563 has the potential to affect its expression or activity.
Palmitoylation
Cysteine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Critically Important for the uptake activity of SLC1A2			[4]
Role of PTM	On/Off Switch
Modified Residue	Cysteine	Modified Location	38
Experimental Method	Co-Immunoprecipitation
Detailed Description	Palmitoylation at SLC1A2 Cysteine 38 have been reported to be critically Important for its uptake activity.
Phosphorylation
Serine	9 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC1A2			[5]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	3
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 3 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC1A2			[6] , [7]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	21
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 21 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC1A2			[6] , [7]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	25
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 25 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence SLC1A2			[8] , [9]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	99
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 99 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence SLC1A2			[8] , [9]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	100
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 100 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence SLC1A2			[6] , [7]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	521
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 521 has the potential to affect its expression or activity.
PTM Phenomenon 7	Have the potential to influence SLC1A2			[6]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	532
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 532 has the potential to affect its expression or activity.
PTM Phenomenon 8	Have the potential to influence SLC1A2			[6]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	534
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 534 has the potential to affect its expression or activity.
PTM Phenomenon 9	Have the potential to influence SLC1A2			[6] , [10]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	564
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Serine 564 has the potential to affect its expression or activity.
Threonine	2 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC1A2			[5]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	4
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Threonine 4 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC1A2			[11]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	103
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Threonine 103 has the potential to affect its expression or activity.
Tyrosine	3 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC1A2			[12] , [13]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	494
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Tyrosine 494 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC1A2			[14] , [15]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	523
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Tyrosine 523 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC1A2			[6]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	539
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC1A2 Tyrosine 539 has the potential to affect its expression or activity.
SUMOylation
Unclear Residue	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Enhancing the activity of SLC1A2			[16] , [17]
Role of PTM	Protein Activity Modulation
Affected Drug/Substrate	Glutamate	Results for Drug	Increasing uptake of glutamate
Experimental Material(s)	Human astrocytes
Experimental Method	Co-Immunoprecipitation
Detailed Description	SUMOylation at SLC1A2 have been reported to enhance its transport activity.
Ubiquitination
Unclear Residue	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Decreasing the expression and function of SLC1A2			[18]
Role of PTM	Trafficking to Plasma Membrane
Affected Drug/Substrate	Glutamate	Results for Drug	Decreasing uptake of glutamate
Related Enzyme	NEDD4-binding protein 2-like 2 (N4BP2L2)
Studied Phenotype	Parkinson's disease [ICD11:8A00.0]
Experimental Material(s)	Parkinson's disease model mice
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC1A2 have been reported to decrease its expression and transport function.

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: EAA2_HUMAN)
2	Identifying Functional Cysteine Residues in the Mitochondria. ACS Chem Biol. 2017 Apr 21;12(4):947-957.
3	A Quantitative Tissue-Specific Landscape of Protein Redox Regulation during Aging. Cell. 2020 Mar 5;180(5):968-983.e24.
4	UniProt: the Universal Protein Knowledgebase in 2023. Nucleic Acids Res. 2023 Jan 6;51(D1):D523-D531. (ID: P43004)
5	Tip-Based Fractionation of Batch-Enriched Phosphopeptides Facilitates Easy and Robust Phosphoproteome Analysis. J Proteome Res. 2018 Jan 5;17(1):46-54.
6	Quantitative phosphoproteomics of Alzheimer's disease reveals cross-talk between kinases and small heat shock proteins. Proteomics. 2015 Jan;15(2-3):508-519.
7	Refined phosphopeptide enrichment by phosphate additive and the analysis of human brain phosphoproteome. Proteomics. 2015 Jan;15(2-3):500-7.
8	Systematic functional prioritization of protein posttranslational modifications. Cell. 2012 Jul 20;150(2):413-25.
9	Automated phosphoproteome analysis for cultured cancer cells by two-dimensional nanoLC-MS using a calcined titania/C18 biphasic column. Anal Sci. 2008 Jan;24(1):161-6.
10	Defective sphingosine 1-phosphate receptor 1 (S1P1) phosphorylation exacerbates TH17-mediated autoimmune neuroinflammation. Nat Immunol. 2013 Nov;14(11):1166-72.
11	Phosphoproteomics study on the activated PKC-induced cell death. J Proteome Res. 2013 Oct 4;12(10):4280-301.
12	Phosphoproteome resource for systems biology research. Methods Mol Biol. 2011;694:307-22.
13	PhosphoPep--a database of protein phosphorylation sites in model organisms. Nat Biotechnol. 2008 Dec;26(12):1339-40.
14	Neuroblastoma tyrosine kinase signaling networks involve FYN and LYN in endosomes and lipid rafts. PLoS Comput Biol. 2015 Apr 17;11(4):e1004130.
15	Quantitative analysis of signaling networks across differentially embedded tumors highlights interpatient heterogeneity in human glioblastoma. J Proteome Res. 2014 Nov 7;13(11):4581-93.
16	Sumoylation of the astroglial glutamate transporter EAAT2 governs its intracellular compartmentalization. Glia. 2014 Aug;62(8):1241-53.
17	Motor neuron impairment mediated by a sumoylated fragment of the glial glutamate transporter EAAT2. Glia. 2011 Nov;59(11):1719-31.
18	Regulation of glutamate transporter trafficking by Nedd4-2 in a Parkinson's disease model. Cell Death Dis. 2017 Feb 2;8(2):e2574.

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Detail Information of Post-Translational Modifications

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