Detail Information of Post-Translational Modifications

General Information of Drug Transporter (DT)
DT ID	DTD0021 Transporter Info
Gene Name	SLC15A1
Transporter Name	Peptide transporter 1
Gene ID	6564
UniProt ID	P46059

Post-Translational Modification of This DT
Overview of SLC15A1 Modification Sites with Functional and Structural Information
Sequence	M G M S K S H S F F G Y P L S I F F I V V N E F C E R F S Y Y G M R A I L I L Y F T N F I S W D D N L S T A I Y H T F V A L C Y L T P I L G A L I A D S W L G K F K T I V S L S I V Y T I G Q A V T S V S S I N D L T D H N H D G T P D S L P V H V V L S L I G L A L I A L G T G G I K P C V S A F G G D Q F E E G Q E K Q R N R F F S I F Y L A I N A G S L L S T I I T P M L R V Q Q C G I H S K Q A C Y P L A F G V P A A L M A V A L I V F V L G S G M Y K K F K P Q G N I M G K V A K C I G F A I K N R F R H R S K A F P K R E H W L D W A K E K Y D E R L I S Q I K M V T R V M F L Y I P L P M F W A L F D Q Q G S R W T L Q A T T M S G K I G A L E I Q P D Q M Q T V N A I L I V I M V P I F D A V L Y P L I A K C G F N F T S L K K M A V G M V L A S M A F V V A A I V Q V E I D K T L P V F P K G N E V Q I K V L N I G N N T M N I S L P G E M V T L G P M S Q T N A F M T F D V N K L T R I N I S S P G S P V T A V T D D F K Q G Q R H T L L V W A P N H Y Q V V K D G L N Q K P E K G E N G I R F V N T F N E L I T I T M S G K V Y A N I S S Y N A S T Y Q F F P S G I K G F T I S S T E I P P Q C Q P N F N T F Y L E F G S A Y T Y I V Q R K N D S C P E V K V F E D I S A N T V N M A L Q I P Q Y F L L T C G E V V F S V T G L E F S Y S Q A P S N M K S V L Q A G W L L T V A V G N I I V L I V A G A G Q F S K Q W A E Y I L F A A L L L V V C V I F A I M A R F Y T Y I N P A E I E A Q F D E D E K K N R L E K S N P Y F M S G A N S Q K Q M
PTM type	X-Acetylation X-N-glycosylation X-Phosphorylation X: Amino Acid

Acetylation
Lysine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC15A1			[1]
Role of PTM	Potential impacts
Modified Residue	Lysine	Modified Location	474
Experimental Method	Co-Immunoprecipitation
Detailed Description	Acetylation at SLC15A1 Lysine 474 has the potential to affect its expression or activity.
N-glycosylation
Asparagine	11 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Affecting the kinetics of the SLC15A1			[2]
Role of PTM	Protease Protection
Affected Drug/Substrate	Peptides	Results for Drug	Affecting the inward transport of peptides
Modified Residue	Asparagine	Modified Location	50
Modified State	Asparagine to Glutamine/Lysine/Cysteine substitution
Experimental Material(s)	Xenopus oocytes
Experimental Method	Co-Immunoprecipitation
Detailed Description	Removal of the N-glycosylation at SLC15A1 Asparagine 50 (i.e. Asparagine to Glutamine/Lysine/Cysteine substitution) have been reported to affect its transport kinetics.
PTM Phenomenon 2	Have the potential to influence SLC15A1			[2]
Role of PTM	Protease Protection
Modified Residue	Asparagine	Modified Location	406
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-glycosylation at SLC15A1 Asparagine 406 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence SLC15A1			[2]
Role of PTM	Protease Protection
Modified Residue	Asparagine	Modified Location	439
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-glycosylation at SLC15A1 Asparagine 439 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence SLC15A1			[2]
Role of PTM	Protease Protection
Modified Residue	Asparagine	Modified Location	510
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-glycosylation at SLC15A1 Asparagine 510 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence SLC15A1			[2]
Role of PTM	Protease Protection
Modified Residue	Asparagine	Modified Location	515
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-glycosylation at SLC15A1 Asparagine 515 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence SLC15A1			[2]
Role of PTM	Protease Protection
Modified Residue	Asparagine	Modified Location	532
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-glycosylation at SLC15A1 Asparagine 532 has the potential to affect its expression or activity.
PTM Phenomenon 7	Have the potential to influence SLC15A1			[3]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	404
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC15A1 Asparagine 404 has the potential to affect its expression or activity.
PTM Phenomenon 8	Have the potential to influence SLC15A1			[3]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	408
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC15A1 Asparagine 408 has the potential to affect its expression or activity.
PTM Phenomenon 9	Have the potential to influence SLC15A1			[3]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	509
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC15A1 Asparagine 509 has the potential to affect its expression or activity.
PTM Phenomenon 10	Have the potential to influence SLC15A1			[3]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	514
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC15A1 Asparagine 514 has the potential to affect its expression or activity.
PTM Phenomenon 11	Have the potential to influence SLC15A1			[3]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	562
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at SLC15A1 Asparagine 562 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	Affecting the kinetics of the SLC15A1			[2]
Role of PTM	Protease Protection
Affected Drug/Substrate	Peptides	Results for Drug	Affecting the inward transport of peptides
Modified Residue	Serine	Modified Location	52
Modified State	Serine to Alanine substitution
Experimental Material(s)	Xenopus oocytes
Experimental Method	Co-Immunoprecipitation
Detailed Description	Removal of the N-glycosylation at SLC15A1 Serine 52 (i.e. Serine to Alanine substitution) have been reported to affect its transport kinetics.
Phosphorylation
Serine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC15A1			[4]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	275
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC15A1 Serine 275 has the potential to affect its expression or activity.
Tyrosine	2 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence SLC15A1			[4]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	269
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC15A1 Tyrosine 269 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence SLC15A1			[5] , [6]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	697
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at SLC15A1 Tyrosine 697 has the potential to affect its expression or activity.

References
1	Regulation of cellular metabolism by protein lysine acetylation. Science. 2010 Feb 19;327(5968):1000-4.
2	Glycans in the intestinal peptide transporter PEPT1 contribute to function and protect from proteolysis. Am J Physiol Gastrointest Liver Physiol. 2017 Jun 1;312(6):G580-G591.
3	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: S15A1_HUMAN)
4	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.
5	Resolution of Novel Pancreatic Ductal Adenocarcinoma Subtypes by Global Phosphotyrosine Profiling. Mol Cell Proteomics. 2016 Aug;15(8):2671-85.
6	Comparative N-glycoproteomic and phosphoproteomic profiling of human placental plasma membrane between normal and preeclampsia pregnancies with high-resolution mass spectrometry. PLoS One. 2013 Nov 15;8(11):e80480.

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Detail Information of Post-Translational Modifications

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