Detail Information of Post-Translational Modifications

General Information of Drug Transporter (DT)
DT ID	DTD0547 Transporter Info
Gene Name	KCNK4
Transporter Name	Potassium channel subfamily K member 4
Gene ID	50801
UniProt ID	Q9NYG8

Post-Translational Modification of This DT
Overview of KCNK4 Modification Sites with Functional and Structural Information
Sequence	M R S T T L L A L L A L V L L Y L V S G A L V F R A L E Q P H E Q Q A Q R E L G E V R E K F L R A H P C V S D Q E L G L L I K E V A D A L G G G A D P E T N S T S N S S H S A W D L G S A F F F S G T I I T T I G Y G N V A L R T D A G R L F C I F Y A L V G I P L F G I L L A G V G D R L G S S L R H G I G H I E A I F L K W H V P P E L V R V L S A M L F L L I G C L L F V L T P T F V F C Y M E D W S K L E A I Y F V I V T L T T V G F G D Y V A G A D P R Q D S P A Y Q P L V W F W I L L G L A Y F A S V L T T I G N W L R V V S R R T R A E M G G L T A Q A A S W T G T V T A R V T Q R A G P A A P P P E K E Q P L L P P P P C P A Q P L G R P R S P S P P E K A Q P P S P P T A S A L D Y P S E N L A F I D E S S D T Q S E R G C P L P R A P R G R R R P N P P R K P V R P R G P G R P R D K G V P V
PTM type	X-Disulfide bond X-N-glycosylation X-Phosphorylation X: Amino Acid

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 KCNK4			[1]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	52
Experimental Method	Co-Immunoprecipitation
Detailed Description	Disulfide bond (-SSR) at KCNK4 Cystine 52 has the potential to affect its expression or activity.
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 KCNK4			[2]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	78
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at KCNK4 Asparagine 78 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence KCNK4			[2]
Role of PTM	Potential impacts
Modified Residue	Asparagine	Modified Location	82
Experimental Method	Co-Immunoprecipitation
Detailed Description	N-linked Glycosylation at KCNK4 Asparagine 82 has the potential to affect its expression or activity.
Phosphorylation
Serine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence KCNK4			[3]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	145
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK4 Serine 145 has the potential to affect its expression or activity.
Threonine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence KCNK4			[3]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	211
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK4 Threonine 211 has the potential to affect its expression or activity.
Tyrosine	1 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence KCNK4			[3]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	218
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at KCNK4 Tyrosine 218 has the potential to affect its expression or activity.

References
1	iCysMod: an integrative database for protein cysteine modifications in eukaryotes. Brief Bioinform. 2021 Sep 2;22(5):bbaa400. (ID: Q9NYG8)
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: KCNK4_HUMAN)
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.

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Detail Information of Post-Translational Modifications

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