Detail Information of Post-Translational Modifications

General Information of Drug Transporter (DT)
DT ID	DTD0471 Transporter Info
Gene Name	SLC7A5
Transporter Name	L-type amino acid transporter 1
Gene ID	8140
UniProt ID	Q01650

Post-Translational Modification of This DT
Overview of SLC7A5 Modification Sites with Functional and Structural Information
Sequence	M A G A G P K R R A L A A P A A E E K E E A R E K M L A A K S A D G S A P A G E G E G V T L Q R N I T L L N G V A I I V G T I I G S G I F V T P T G V L K E A G S P G L A L V V W A A C G V F S I V G A L C Y A E L G T T I S K S G G D Y A Y M L E V Y G S L P A F L K L W I E L L I I R P S S Q Y I V A L V F A T Y L L K P L F P T C P V P E E A A K L V A C L C V L L L T A V N C Y S V K A A T R V Q D A F A A A K L L A L A L I I L L G F V Q I G K G D V S N L D P N F S F E G T K L D V G N I V L A L Y S G L F A Y G G W N Y L N F V T E E M I N P Y R N L P L A I I I S L P I V T L V Y V L T N L A Y F T T L S T E Q M L S S E A V A V D F G N Y H L G V M S W I I P V F V G L S C F G S V N G S L F T S S R L F F V G S R E G H L P S I L S M I H P Q L L T P V P S L V F T C V M T L L Y A F S K D I F S V I N F F S F F N W L C V A L A I I G M I W L R H R K P E L E R P I K V N L A L P V F F I L A C L F L I A V S F W K T P V E C G I G F T I I L S G L P V Y F F G V W W K N K P K W L L Q G I F S T T V L C Q K L M Q V V P Q E T
PTM type	X-Acetylation X-Disulfide bond X-N-glycosylation X-Phosphorylation X-Ubiquitination X: Amino Acid

Acetylation
Lysine	2 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC7A5			[1] , [2]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	19
Experimental Method	Co-Immunoprecipitation
Detailed Description	Acetylation at SLC7A5 Lysine 19 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC7A5			[1] , [2]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	30
Experimental Method	Co-Immunoprecipitation
Detailed Description	Acetylation at SLC7A5 Lysine 30 has the potential to affect its expression or activity.
Disulfide bond
Cystine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC7A5			[3]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	164
Experimental Method	Co-Immunoprecipitation
Detailed Description	Disulfide bond (-SSR) at SLC7A5 Cystine 164 has the potential to affect its expression or 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 SLC7A5			[4]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	49
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC7A5 Asparagine 49 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC7A5			[4]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	230
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC7A5 Asparagine 230 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC7A5			[4]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	340
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC7A5 Asparagine 340 has the potential to affect its expression or activity.
Phosphorylation
Serine	4 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC7A5			[5] , [6]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	31
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC7A5 Serine 31 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC7A5			[6] , [7]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	35
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC7A5 Serine 35 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC7A5			[8]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	225
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC7A5 Serine 225 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence SLC7A5			[8] , [9]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	354
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC7A5 Serine 354 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 SLC7A5			[5] , [10]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	45
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC7A5 Threonine 45 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC7A5			[11] , [12]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	507
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC7A5 Threonine 507 has the potential to affect its expression or activity.
Ubiquitination
Glutamine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Glutamine	Modified Location	304
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Glutamine 304 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 SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Isoleucine	Modified Location	326
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Isoleucine 326 has the potential to affect its expression or activity.
Leucine	3 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC7A5			[14]
Role of PTM	Potential impacts
Modified Residue	Leucine	Modified Location	245
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Leucine 245 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Leucine	Modified Location	306
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Leucine 306 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Leucine	Modified Location	441
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Leucine 441 has the potential to affect its expression or activity.
Lysine	8 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Triggers efficient endocytosis and degradation of LAT1			[15]
Role of PTM	Promoting Degradation
Modified Residue	Lysine	Modified Location	19
Related Enzyme	E3 ubiquitin-protein ligase NEDD4-like (NEDD4L)
Studied Phenotype	Cervical cancer [ICD11: 2C77]
Experimental Material(s)	Human papillomavirus-related endocervical adenocarcinoma (HeLa) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Lysine 19 have been reported to trigger its efficient endocytosis and degradation.
PTM Phenomenon 2	Triggers efficient endocytosis and degradation of LAT1			[15]
Role of PTM	Promoting Degradation
Modified Residue	Lysine	Modified Location	25
Related Enzyme	E3 ubiquitin-protein ligase NEDD4-like (NEDD4L)
Studied Phenotype	Cervical cancer [ICD11: 2C77]
Experimental Material(s)	Human papillomavirus-related endocervical adenocarcinoma (HeLa) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Lysine 25 have been reported to trigger its efficient endocytosis and degradation.
PTM Phenomenon 3	Triggers efficient endocytosis and degradation of LAT1			[15]
Role of PTM	Promoting Degradation
Modified Residue	Lysine	Modified Location	30
Related Enzyme	E3 ubiquitin-protein ligase NEDD4-like (NEDD4L)
Studied Phenotype	Cervical cancer [ICD11: 2C77]
Experimental Material(s)	Human papillomavirus-related endocervical adenocarcinoma (HeLa) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Lysine 30 have been reported to trigger its efficient endocytosis and degradation.
PTM Phenomenon 4	Have the potential to influence SLC7A5			[16] , [17]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	7
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Lysine 7 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence SLC7A5			[14] , [16]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	422
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Lysine 422 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	479
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Lysine 479 has the potential to affect its expression or activity.
PTM Phenomenon 7	Have the potential to influence SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	481
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Lysine 481 has the potential to affect its expression or activity.
PTM Phenomenon 8	Have the potential to influence SLC7A5			[13] , [18]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	483
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Lysine 483 has the potential to affect its expression or activity.
Methionine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC7A5			[14]
Role of PTM	Potential impacts
Modified Residue	Methionine	Modified Location	267
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Methionine 267 has the potential to affect its expression or activity.
Phenylalanine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Phenylalanine	Modified Location	439
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Phenylalanine 439 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 SLC7A5			[13] , [18]
Role of PTM	Potential impacts
Modified Residue	Proline	Modified Location	328
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Proline 328 has the potential to affect its expression or activity.
Serine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	324
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Serine 324 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 SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	302
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Threonine 302 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC7A5			[14]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	380
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Threonine 380 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 SLC7A5			[13]
Role of PTM	Potential impacts
Modified Residue	Valine	Modified Location	437
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 Valine 437 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	Decreasing the plasma membrane expression of SLC7A5			[19]
Role of PTM	Surface Expression Modulation
Affected Drug/Substrate	Amino acid	Results for Drug	Decreasing uptake of cellular amino acid
Related Enzyme	E3 ubiquitin-protein ligase NEDD4-like (NEDD4L)
Experimental Material(s)	Primary human trophoblast (PHT) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at SLC7A5 have been reported to decrease its plasma membrane expression.

References
1	Quantitative Proteomic Atlas of Ubiquitination and Acetylation in the DNA Damage Response. Mol Cell. 2015 Sep 3;59(5):867-81.
2	Lysine Acetylation and Succinylation in HeLa Cells and their Essential Roles in Response to UV-induced Stress. Sci Rep. 2016 Jul 25;6:30212.
3	iCysMod: an integrative database for protein cysteine modifications in eukaryotes. Brief Bioinform. 2021 Sep 2;22(5):bbaa400. (ID: Q01650)
4	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: LAT1_HUMAN)
5	Robust, Reproducible, and Economical Phosphopeptide Enrichment Using Calcium Titanate. J Proteome Res. 2019 Mar 1;18(3):1411-1417.
6	Capillary Zone Electrophoresis-Tandem Mass Spectrometry for Large-Scale Phosphoproteomics with the Production of over 11,000 Phosphopeptides from the Colon Carcinoma HCT116 Cell Line. Anal Chem. 2019 Feb 5;91(3):2201-2208.
7	Quantitative Phosphoproteome Analysis of Clostridioides difficile Toxin B Treated Human Epithelial Cells. Front Microbiol. 2018 Dec 17;9:3083.
8	Quantitative phosphoproteomics identifies substrates and functional modules of Aurora and Polo-like kinase activities in mitotic cells. Sci Signal. 2011 Jun 28;4(179):rs5.
9	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.
10	UniProt: a worldwide hub of protein knowledge. Nucleic Acids Res. 2019 Jan 8;47(D1):D506-D515.
11	Phosphoproteome resource for systems biology research. Methods Mol Biol. 2011;694:307-22.
12	PhosphoPep--a database of protein phosphorylation sites in model organisms. Nat Biotechnol. 2008 Dec;26(12):1339-40.
13	Systematic functional prioritization of protein posttranslational modifications. Cell. 2012 Jul 20;150(2):413-25.
14	Highly Multiplexed Quantitative Mass Spectrometry Analysis of Ubiquitylomes. Cell Syst. 2016 Oct 26;3(4):395-403.e4.
15	Ubiquitylation and endocytosis of the human LAT1/SLC7A5 amino acid transporter. Sci Rep. 2019 Nov 14;9(1):16760.
16	Multilevel proteomics reveals host perturbations by SARS-CoV-2 and SARS-CoV. Nature. 2021 Jun;594(7862):246-252.
17	UbiSite approach for comprehensive mapping of lysine and N-terminal ubiquitination sites. Nat Struct Mol Biol. 2018 Jul;25(7):631-640.
18	Global identification of modular cullin-RING ligase substrates. Cell. 2011 Oct 14;147(2):459-74.
19	Regulation of amino acid transporter trafficking by mTORC1 in primary human trophoblast cells is mediated by the ubiquitin ligase Nedd4-2. Clin Sci (Lond). 2016 Apr 1;130(7):499-512.

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Detail Information of Post-Translational Modifications

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