Detail Information of Post-Translational Modifications

General Information of Drug Transporter (DT)
DT ID	DTD0361 Transporter Info
Gene Name	SLC43A2
Transporter Name	L-type amino acid transporter 4
Gene ID	124935
UniProt ID	Q8N370

Post-Translational Modification of This DT
Overview of SLC43A2 Modification Sites with Functional and Structural Information
Sequence	M A P T L A T A H R R R W W M A C T A V L E N L L F S A V L L G W G S L L I M L K S E G F Y S Y L C T E P E N V T N G T V G G T A E P G H E E V S W M N G W L S C Q A Q D E M L N L A F T V G S F L L S A I T L P L G I V M D K Y G P R K L R L L G S A C F A V S C L L I A Y G A S K P N A L S V L I F I A L A L N G F G G M C M T F T S L T L P N M F G D L R S T F I A L M I G S Y A S S A V T F P G I K L I Y D A G V S F I V V L V V W A G C S G L V F L N C F F N W P L E P F P G P E D M D Y S V K I K F S W L G F D H K I T G K Q F Y K Q V T T V G R R L S V G S S M R S A K E Q V A L Q E G H K L C L S T V D L E V K C Q P D A A V A P S F M H S V F S P I L L L S L V T M C V T Q L R L I F Y M G A M N N I L K F L V S G D Q K T V G L Y T S I F G V L Q L L C L L T A P V I G Y I M D W R L K E C E D A S E E P E E K D A N Q G E K K K K K R D R Q I Q K I T N A M R A F A F T N L L L V G F G V T C L I P N L P L Q I L S F I L H T I V R G F I H S A V G G L Y A A V Y P S T Q F G S L T G L Q S L I S A L F A L L Q Q P L F L A M M G P L Q G D P L W V N V G L L L L S L L G F C L P L Y L I C Y R R Q L E R Q L Q Q R Q E D D K L F L K I N G S S N Q E A F V
PTM type	X-Dephosphorylation X-N-glycosylation X-Oxidation X-Phosphorylation X-Ubiquitination X: Amino Acid

Dephosphorylation
Serine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Increasing the affinity and surface membrane localization of SLC43A2, as well as stimulating its transport activity			[1]
Role of PTM	Surface Expression Modulation
Modified Residue	Serine	Modified Location	274
Experimental Material(s)	Xenopus oocytes
Experimental Method	Co-Immunoprecipitation
Detailed Description	Dephosphorylation at SLC43A2 Serine 274 have been reported to increase its affinity and surface membrane localization, as well as stimulate its transport activity.
N-glycosylation
Asparagine	3 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[2]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	55
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC43A2 Asparagine 55 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC43A2			[2]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	58
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC43A2 Asparagine 58 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC43A2			[2]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	560
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC43A2 Asparagine 560 has the potential to affect its expression or activity.
Oxidation
Cystine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[3]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	295
Experimental Method	Co-Immunoprecipitation
Detailed Description	Oxidation at SLC43A2 Cystine 295 has the potential to affect its expression or activity.
Phosphorylation
Cystine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[4]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	160
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Cystine 160 has the potential to affect its expression or activity.
Proline	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[5]
Role of PTM	Potential impacts
Modified Residue	Proline	Modified Location	140
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Proline 140 has the potential to affect its expression or activity.
Serine	11 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Increasing the apparent surface expression and transport rate of SLC43A2			[1]
Role of PTM	Surface Expression Modulation
Modified Residue	Serine	Modified Location	297
Experimental Material(s)	Xenopus oocytes
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 297 have been reported to increase its apparent surface expression and transport rate.
PTM Phenomenon 2	Have the potential to influence SLC43A2			[6]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	123
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 123 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC43A2			[7] , [8]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	249
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 249 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence SLC43A2			[8] , [9]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	274
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 274 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence SLC43A2			[5] , [10]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	277
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 277 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence SLC43A2			[9] , [11]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	278
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 278 has the potential to affect its expression or activity.
PTM Phenomenon 7	Have the potential to influence SLC43A2			[8] , [12]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	281
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 281 has the potential to affect its expression or activity.
PTM Phenomenon 8	Have the potential to influence SLC43A2			[8]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	396
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 396 has the potential to affect its expression or activity.
PTM Phenomenon 9	Have the potential to influence SLC43A2			[13]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	453
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 453 has the potential to affect its expression or activity.
PTM Phenomenon 10	Have the potential to influence SLC43A2			[14] , [15]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	562
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 562 has the potential to affect its expression or activity.
PTM Phenomenon 11	Have the potential to influence SLC43A2			[15] , [16]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	563
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Serine 563 has the potential to affect its expression or activity.
Threonine	8 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[17] , [18]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	4
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Threonine 4 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC43A2			[17] , [18]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	7
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Threonine 7 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC43A2			[18]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	18
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Threonine 18 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence SLC43A2			[8] , [19]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	267
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Threonine 267 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence SLC43A2			[20]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	268
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Threonine 268 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence SLC43A2			[6] , [21]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	298
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Threonine 298 has the potential to affect its expression or activity.
PTM Phenomenon 7	Have the potential to influence SLC43A2			[13]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	441
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Threonine 441 has the potential to affect its expression or activity.
PTM Phenomenon 8	Have the potential to influence SLC43A2			[13]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	458
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC43A2 Threonine 458 has the potential to affect its expression or activity.
Ubiquitination
Glutamine	2 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[4] , [22]
Role of PTM	Potential impacts
Modified Residue	Glutamine	Modified Location	265
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Glutamine 265 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC43A2			[4] , [22]
Role of PTM	Potential impacts
Modified Residue	Glutamine	Modified Location	406
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Glutamine 406 has the potential to affect its expression or activity.
Isoleucine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[22]
Role of PTM	Potential impacts
Modified Residue	Isoleucine	Modified Location	421
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Isoleucine 421 has the potential to affect its expression or activity.
Leucine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[23] , [24]
Role of PTM	Potential impacts
Modified Residue	Leucine	Modified Location	146
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Leucine 146 has the potential to affect its expression or activity.
Lysine	4 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[24]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	260
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Lysine 260 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC43A2			[25]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	283
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Lysine 283 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC43A2			[25]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	402
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Lysine 402 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence SLC43A2			[25]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	558
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Lysine 558 has the potential to affect its expression or activity.
Serine	3 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[24]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	123
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Serine 123 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC43A2			[22]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	525
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Serine 525 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC43A2			[22]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	562
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Serine 562 has the potential to affect its expression or activity.
Tryptophan	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[26]
Role of PTM	Potential impacts
Modified Residue	Tryptophan	Modified Location	250
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Tryptophan 250 has the potential to affect its expression or activity.
Valine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC43A2			[22]
Role of PTM	Potential impacts
Modified Residue	Valine	Modified Location	369
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC43A2 Valine 369 has the potential to affect its expression or activity.

References
1	Anticipation of food intake induces phosphorylation switch to regulate basolateral amino acid transporter LAT4 (SLC43A2) function. J Physiol. 2019 Jan;597(2):521-542.
2	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: LAT4_HUMAN)
3	A Quantitative Tissue-Specific Landscape of Protein Redox Regulation during Aging. Cell. 2020 Mar 5;180(5):968-983.e24.
4	Global Landscape and Dynamics of Parkin and USP30-Dependent Ubiquitylomes in iNeurons during Mitophagic Signaling. Mol Cell. 2020 Mar 5;77(5):1124-1142.e10.
5	Actionable Cytopathogenic Host Responses of Human Alveolar Type 2 Cells to SARS-CoV-2. Mol Cell. 2020 Dec 17;80(6):1104-1122.e9.
6	Robust, Reproducible, and Economical Phosphopeptide Enrichment Using Calcium Titanate. J Proteome Res. 2019 Mar 1;18(3):1411-1417.
7	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.
8	Identification of Missing Proteins in the Phosphoproteome of Kidney Cancer. J Proteome Res. 2017 Dec 1;16(12):4364-4373.
9	UniProt: a worldwide hub of protein knowledge. Nucleic Acids Res. 2019 Jan 8;47(D1):D506-D515.
10	Phosphoproteomic screening identifies physiological substrates of the CDKL5 kinase. EMBO J. 2018 Dec 14;37(24):e99559.
11	A Methodological Assessment and Characterization of Genetically-Driven Variation in Three Human Phosphoproteomes. Sci Rep. 2018 Aug 14;8(1):12106.
12	Quantitative phosphoproteomics unveils temporal dynamics of thrombin signaling in human endothelial cells. Blood. 2014 Mar 20;123(12):e22-36.
13	Quantitative phosphoproteomics of Alzheimer's disease reveals cross-talk between kinases and small heat shock proteins. Proteomics. 2015 Jan;15(2-3):508-519.
14	Protein kinase C-alpha interaction with F0F1-ATPase promotes F0F1-ATPase activity and reduces energy deficits in injured renal cells. J Biol Chem. 2015 Mar 13;290(11):7054-66.
15	Integrated Proteomics Reveals Apoptosis-related Mechanisms Associated with Placental Malaria. Mol Cell Proteomics. 2019 Feb;18(2):182-199.
16	Improved Method for Determining Absolute Phosphorylation Stoichiometry Using Bayesian Statistics and Isobaric Labeling. J Proteome Res. 2017 Nov 3;16(11):4217-4226.
17	Characterization of native protein complexes and protein isoform variation using size-fractionation-based quantitative proteomics. Mol Cell Proteomics. 2013 Dec;12(12):3851-73.
18	An Augmented Multiple-Protease-Based Human Phosphopeptide Atlas. Cell Rep. 2015 Jun 23;11(11):1834-43.
19	Comprehensive quantitative comparison of the membrane proteome, phosphoproteome, and sialiome of human embryonic and neural stem cells. Mol Cell Proteomics. 2014 Jan;13(1):311-28.
20	Identification of missing proteins in the neXtProt database and unregistered phosphopeptides in the PhosphoSitePlus database as part of the Chromosome-centric Human Proteome Project. J Proteome Res. 2013 Jun 7;12(6):2414-21.
21	Modulation of Cl- signaling and ion transport by recruitment of kinases and phosphatases mediated by the regulatory protein IRBIT. Sci Signal. 2018 Oct 30;11(554):eaat5018.
22	Global identification of modular cullin-RING ligase substrates. Cell. 2011 Oct 14;147(2):459-74.
23	Multilevel proteomics reveals host perturbations by SARS-CoV-2 and SARS-CoV. Nature. 2021 Jun;594(7862):246-252.
24	UbiSite approach for comprehensive mapping of lysine and N-terminal ubiquitination sites. Nat Struct Mol Biol. 2018 Jul;25(7):631-640.
25	Systematic and quantitative assessment of the ubiquitin-modified proteome. Mol Cell. 2011 Oct 21;44(2):325-40.
26	Ubiquitin ligase substrate identification through quantitative proteomics at both the protein and peptide levels. J Biol Chem. 2011 Dec 2;286(48):41530-41538.

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Detail Information of Post-Translational Modifications

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