General Information of Drug Transporter (DT)
DT ID DTD0462 Transporter Info
Gene Name SLC7A1
Transporter Name High affinity cationic amino acid transporter 1
Gene ID
6541
UniProt ID
P30825
Post-Translational Modification of This DT
Overview of SLC7A1 Modification Sites with Functional and Structural Information
Sequence
PTM type
X-S-nitrosylation X-S-palmitoylation X-Ubiquitination X: Amino Acid

S-nitrosylation

  Cystine

          2 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SLC7A1 [1]

Role of PTM

Potential impacts

Modified Residue

Cystine

Modified Location

21

Experimental Method

Co-Immunoprecipitation

Detailed Description

S-nitrosylation (-SNO) at SLC7A1 Cystine 21 has the potential to affect its expression or activity.

  PTM Phenomenon 2

Have the potential to influence SLC7A1 [1] , [2]

Role of PTM

Potential impacts

Modified Residue

Cystine

Modified Location

628

Experimental Method

Co-Immunoprecipitation

Detailed Description

S-nitrosylation (-SNO) at SLC7A1 Cystine 628 has the potential to affect its expression or activity.

S-palmitoylation

  Cystine

          1 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SLC7A1 [3] , [4]

Role of PTM

Potential impacts

Modified Residue

Cystine

Modified Location

3

Experimental Method

Co-Immunoprecipitation

Detailed Description

S-palmitoylation at SLC7A1 Cystine 3 has the potential to affect its expression or activity.

Ubiquitination

  Unclear Residue

          1 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Decreasing cell surface expression of SLC7A1 [5]

Role of PTM

Surface Expression Modulation

Related Enzyme

E3 ubiquitin-protein ligase NEDD4 (NEDD4)
E3 ubiquitin-protein ligase NEDD4-like (NEDD4L)

Experimental Material(s)

Human embryonic kidney 293 (HEK293) cells

Experimental Method

Co-Immunoprecipitation

Detailed Description

Ubiquitination at SLC7A1 have been reported to decrease its cell surface expression.
References
1 Proteome-wide detection of S-nitrosylation targets and motifs using bioorthogonal cleavable-linker-based enrichment and switch technique. Nat Commun. 2019 May 16;10(1):2195.
2 Dual Labeling Biotin Switch Assay to Reduce Bias Derived From Different Cysteine Subpopulations: A Method to Maximize S-Nitrosylation Detection. Circ Res. 2015 Oct 23;117(10):846-57.
3 Selective Enrichment and Direct Analysis of Protein S-Palmitoylation Sites. J Proteome Res. 2018 May 4;17(5):1907-1922.
4 Proteome scale characterization of human S-acylated proteins in lipid raft-enriched and non-raft membranes. Mol Cell Proteomics. 2010 Jan;9(1):54-70.
5 Protein kinase C-dependent ubiquitination and clathrin-mediated endocytosis of the cationic amino acid transporter CAT-1. J Biol Chem. 2011 Mar 11;286(10):8697-8706.

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