Detail Information of Post-Translational Modifications

General Information of Drug Transporter (DT)
DT ID	DTD0545 Transporter Info
Gene Name	KCNK2
Transporter Name	Potassium channel subfamily K member 2
Gene ID	3776
UniProt ID	O95069

Post-Translational Modification of This DT
Overview of KCNK2 Modification Sites with Functional and Structural Information
Sequence	M L P S A S R E R P G Y R A G V A A P D L L D P K S A A Q N S K P R L S F S T K P T V L A S R V E S D T T I N V M K W K T V S T I F L V V V L Y L I I G A T V F K A L E Q P H E I S Q R T T I V I Q K Q T F I S Q H S C V N S T E L D E L I Q Q I V A A I N A G I I P L G N T S N Q I S H W D L G S S F F F A G T V I T T I G F G N I S P R T E G G K I F C I I Y A L L G I P L F G F L L A G V G D Q L G T I F G K G I A K V E D T F I K W N V S Q T K I R I I S T I I F I L F G C V L F V A L P A I I F K H I E G W S A L D A I Y F V V I T L T T I G F G D Y V A G G S D I E Y L D F Y K P V V W F W I L V G L A Y F A A V L S M I G D W L R V I S K K T K E E V G E F R A H A A E W T A N V T A E F K E T R R R L S V E I Y D K F Q R A T S I K R K L S A E L A G N H N Q E L T P C R R T L S V N H L T S E R D V L P P L L K T E S I Y L N G L T P H C A G E E I A V I E N I K
PTM type	X-N-glycosylation X-Phosphorylation 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 KCNK2			[1]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	110
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at KCNK2 Asparagine 110 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence KCNK2			[1]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	134
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at KCNK2 Asparagine 134 has the potential to affect its expression or activity.
Phosphorylation
Serine	9 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Controlling reversible transitions from leaky channels to voltage-dependent channels			[2]
Role of PTM	On/Off Switch
Modified Residue	Serine	Modified Location	348
Related Enzyme	cAMP-dependent protein kinase catalytic subunit alpha (PRKACA)
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 348 have been reported to control its reversible transitions from leaky channels to voltage-dependent channels.
PTM Phenomenon 2	Have the potential to influence KCNK2			[3] , [4]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	36
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 36 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence KCNK2			[4]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	38
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 38 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence KCNK2			[5]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	146
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 146 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence KCNK2			[5]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	147
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 147 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence KCNK2			[5]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	164
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 164 has the potential to affect its expression or activity.
PTM Phenomenon 7	Have the potential to influence KCNK2			[6]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	315
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 315 has the potential to affect its expression or activity.
PTM Phenomenon 8	Have the potential to influence KCNK2			[7] , [8]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	366
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 366 has the potential to affect its expression or activity.
PTM Phenomenon 9	Have the potential to influence KCNK2			[7] , [9]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	385
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Serine 385 has the potential to affect its expression or activity.
Threonine	7 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence KCNK2			[4]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	39
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Threonine 39 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence KCNK2			[5]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	153
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Threonine 153 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence KCNK2			[5]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	156
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Threonine 156 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence KCNK2			[5]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	157
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Threonine 157 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence KCNK2			[5]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	167
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Threonine 167 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence KCNK2			[10]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	343
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Threonine 343 has the potential to affect its expression or activity.
PTM Phenomenon 7	Have the potential to influence KCNK2			[4] , [9]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	383
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK2 Threonine 383 has the potential to affect its expression or activity.

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: KCNK2_HUMAN)
2	KCNK2: reversible conversion of a hippocampal potassium leak into a voltage-dependent channel. Nat Neurosci. 2001 May;4(5):486-91.
3	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.
4	Reactive Oxygen Species (ROS)-Activated ATM-Dependent Phosphorylation of Cytoplasmic Substrates Identified by Large-Scale Phosphoproteomics Screen. Mol Cell Proteomics. 2016 Mar;15(3):1032-47.
5	An Augmented Multiple-Protease-Based Human Phosphopeptide Atlas. Cell Rep. 2015 Jun 23;11(11):1834-43.
6	Sequential phosphorylation mediates receptor- and kinase-induced inhibition of TREK-1 background potassium channels. J Biol Chem. 2005 Aug 26;280(34):30175-84.
7	Proteogenomic integration reveals therapeutic targets in breast cancer xenografts. Nat Commun. 2017 Mar 28;8:14864.
8	Quantitative phosphoproteomic analysis identifies novel functional pathways of tumor suppressor DLC1 in estrogen receptor positive breast cancer. PLoS One. 2018 Oct 2;13(10):e0204658.
9	Proteogenomics connects somatic mutations to signalling in breast cancer. Nature. 2016 Jun 2;534(7605):55-62.
10	Integrated analysis of global proteome, phosphoproteome, and glycoproteome enables complementary interpretation of disease-related protein networks. Sci Rep. 2015 Dec 11;5:18189.

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Detail Information of Post-Translational Modifications

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