Detail Information of Post-Translational Modifications

General Information of Drug Transporter (DT)
DT ID	DTD0014 Transporter Info
Gene Name	ABCB11
Transporter Name	Bile salt export pump
Gene ID	8647
UniProt ID	O95342

Post-Translational Modification of This DT
Overview of ABCB11 Modification Sites with Functional and Structural Information
Sequence	M S D S V I L R S I K K F G E E N D G F E S D K S Y N N D K K S R L Q D E K K G D G V R V G F F Q L F R F S S S T D I W L M F V G S L C A F L H G I A Q P G V L L I F G T M T D V F I D Y D V E L Q E L Q I P G K A C V N N T I V W T N S S L N Q N M T N G T R C G L L N I E S E M I K F A S Y Y A G I A V A V L I T G Y I Q I C F W V I A A A R Q I Q K M R K F Y F R R I M R M E I G W F D C N S V G E L N T R F S D D I N K I N D A I A D Q M A L F I Q R M T S T I C G F L L G F F R G W K L T L V I I S V S P L I G I G A A T I G L S V S K F T D Y E L K A Y A K A G V V A D E V I S S M R T V A A F G G E K R E V E R Y E K N L V F A Q R W G I R K G I V M G F F T G F V W C L I F L C Y A L A F W Y G S T L V L D E G E Y T P G T L V Q I F L S V I V G A L N L G N A S P C L E A F A T G R A A A T S I F E T I D R K P I I D C M S E D G Y K L D R I K G E I E F H N V T F H Y P S R P E V K I L N D L N M V I K P G E M T A L V G P S G A G K S T A L Q L I Q R F Y D P C E G M V T V D G H D I R S L N I Q W L R D Q I G I V E Q E P V L F S T T I A E N I R Y G R E D A T M E D I V Q A A K E A N A Y N F I M D L P Q Q F D T L V G E G G G Q M S G G Q K Q R V A I A R A L I R N P K I L L L D M A T S A L D N E S E A M V Q E V L S K I Q H G H T I I S V A H R L S T V R A A D T I I G F E H G T A V E R G T H E E L L E R K G V Y F T L V T L Q S Q G N Q A L N E E D I K D A T E D D M L A R T F S R G S Y Q D S L R A S I R Q R S K S Q L S Y L V H E P P L A V V D H K S T Y E E D R K D K D I P V Q E E V E P A P V R R I L K F S A P E W P Y M L V G S V G A A V N G T V T P L Y A F L F S Q I L G T F S I P D K E E Q R S Q I N G V C L L F V A M G C V S L F T Q F L Q G Y A F A K S G E L L T K R L R K F G F R A M L G Q D I A W F D D L R N S P G A L T T R L A T D A S Q V Q G A A G S Q I G M I V N S F T N V T V A M I I A F S F S W K L S L V I L C F F P F L A L S G A T Q T R M L T G F A S R D K Q A L E M V G Q I T N E A L S N I R T V A G I G K E R R F I E A L E T E L E K P F K T A I Q K A N I Y G F C F A F A Q C I M F I A N S A S Y R Y G G Y L I S N E G L H F S Y V F R V I S A V V L S A T A L G R A F S Y T P S Y A K A K I S A A R F F Q L L D R Q P P I S V Y N T A G E K W D N F Q G K I D F V D C K F T Y P S R P D S Q V L N G L S V S I S P G Q T L A F V G S S G C G K S T S I Q L L E R F Y D P D Q G K V M I D G H D S K K V N V Q F L R S N I G I V S Q E P V L F A C S I M D N I K Y G D N T K E I P M E R V I A A A K Q A Q L H D F V M S L P E K Y E T N V G S Q G S Q L S R G E K Q R I A I A R A I V R D P K I L L L D E A T S A L D T E S E K T V Q V A L D K A R E G R T C I V I A H R L S T I Q N A D I I A V M A Q G V V I E K G T H E E L M A Q K G A Y Y K L V T T G S P I S
PTM type	X-N-glycosylation X-Oxidation X-Phosphorylation X-Ubiquitination X: Amino Acid

N-glycosylation
Asparagine	4 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Decreasing the activity of ABCB11			[1]
Role of PTM	Trafficking to Plasma Membrane
Affected Drug/Substrate	Taurocholate	Results for Drug	Decreasing the transport of taurocholate
Modified Residue	Asparagine	Modified Location	109
Modified State	Asparagine to Glutamine mutation
Experimental Material(s)	Madin-darby canine kidney II (MDCKII) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Removal of the Glycosylation at ABCB11 Asparagine 109 (i.e. Asparagine to Glutamine mutation) have been reported to decrease its transport activity.
PTM Phenomenon 2	Decreasing the activity of ABCB11			[1]
Role of PTM	Trafficking to Plasma Membrane
Affected Drug/Substrate	Taurocholate	Results for Drug	Decreasing the transport of taurocholate
Modified Residue	Asparagine	Modified Location	116
Modified State	Asparagine to Glutamine mutation
Experimental Material(s)	Madin-darby canine kidney II (MDCKII) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Removal of the Glycosylation at ABCB11 Asparagine 116 (i.e. Asparagine to Glutamine mutation) have been reported to decrease its transport activity.
PTM Phenomenon 3	Decreasing the activity of ABCB11			[1]
Role of PTM	Trafficking to Plasma Membrane
Affected Drug/Substrate	Taurocholate	Results for Drug	Decreasing the transport of taurocholate
Modified Residue	Asparagine	Modified Location	122
Modified State	Asparagine to Glutamine mutation
Experimental Material(s)	Madin-darby canine kidney II (MDCKII) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Removal of the Glycosylation at ABCB11 Asparagine 122 (i.e. Asparagine to Glutamine mutation) have been reported to decrease its transport activity.
PTM Phenomenon 4	Decreasing the activity of ABCB11			[1]
Role of PTM	Trafficking to Plasma Membrane
Affected Drug/Substrate	Taurocholate	Results for Drug	Decreasing the transport of taurocholate
Modified Residue	Asparagine	Modified Location	125
Modified State	Asparagine to Glutamine mutation
Experimental Material(s)	Madin-darby canine kidney II (MDCKII) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Removal of the Glycosylation at ABCB11 Asparagine 125 (i.e. Asparagine to Glutamine mutation) have been reported to decrease its transport activity.
Oxidation
Cystine	2 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence ABCB11			[2]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	1117
Experimental Method	Co-Immunoprecipitation
Detailed Description	Oxidation at ABCB11 Cystine 1117 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence ABCB11			[2]
Role of PTM	Potential impacts
Modified Residue	Cystine	Modified Location	1270
Experimental Method	Co-Immunoprecipitation
Detailed Description	Oxidation at ABCB11 Cystine 1270 has the potential to affect its expression or activity.
Phosphorylation
Serine	18 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence ABCB11			[3]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	2
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 2 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence ABCB11			[4]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	262
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 262 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence ABCB11			[5]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	286
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 286 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence ABCB11			[5]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	287
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 287 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence ABCB11			[6] , [7]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	587
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 587 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence ABCB11			[8]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	593
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 593 has the potential to affect its expression or activity.
PTM Phenomenon 7	Have the potential to influence ABCB11			[8] , [9]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	683
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 683 has the potential to affect its expression or activity.
PTM Phenomenon 8	Have the potential to influence ABCB11			[10] , [11]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	686
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 686 has the potential to affect its expression or activity.
PTM Phenomenon 9	Have the potential to influence ABCB11			[8] , [12]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	690
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 690 has the potential to affect its expression or activity.
PTM Phenomenon 10	Have the potential to influence ABCB11			[8] , [12]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	694
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 694 has the potential to affect its expression or activity.
PTM Phenomenon 11	Have the potential to influence ABCB11			[8]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	701
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 701 has the potential to affect its expression or activity.
PTM Phenomenon 12	Have the potential to influence ABCB11			[6] , [13]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	704
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 704 has the potential to affect its expression or activity.
PTM Phenomenon 13	Have the potential to influence ABCB11			[14]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	999
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 999 has the potential to affect its expression or activity.
PTM Phenomenon 14	Have the potential to influence ABCB11			[15]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	1062
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 1062 has the potential to affect its expression or activity.
PTM Phenomenon 15	Have the potential to influence ABCB11			[16]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	1114
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 1114 has the potential to affect its expression or activity.
PTM Phenomenon 16	Have the potential to influence ABCB11			[16]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	1122
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 1122 has the potential to affect its expression or activity.
PTM Phenomenon 17	Have the potential to influence ABCB11			[6] , [8]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	1214
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 1214 has the potential to affect its expression or activity.
PTM Phenomenon 18	Have the potential to influence ABCB11			[8]
Role of PTM	Potential impacts
Modified Residue	Serine	Modified Location	1217
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Serine 1217 has the potential to affect its expression or activity.
Threonine	6 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence ABCB11			[6] , [8]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	586
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Threonine 586 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence ABCB11			[8]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	681
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Threonine 681 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence ABCB11			[17]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	858
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Threonine 858 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence ABCB11			[17]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	859
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Threonine 859 has the potential to affect its expression or activity.
PTM Phenomenon 5	Have the potential to influence ABCB11			[15]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	1066
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Threonine 1066 has the potential to affect its expression or activity.
PTM Phenomenon 6	Have the potential to influence ABCB11			[16]
Role of PTM	Potential impacts
Modified Residue	Threonine	Modified Location	1121
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Threonine 1121 has the potential to affect its expression or activity.
Tyrosine	4 PTM Phenomena Related to This Residue		Click to Show/Hide the Full List
PTM Phenomenon 1	Have the potential to influence ABCB11			[8]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	687
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Tyrosine 687 has the potential to affect its expression or activity.
PTM Phenomenon 2	Have the potential to influence ABCB11			[8]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	705
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Tyrosine 705 has the potential to affect its expression or activity.
PTM Phenomenon 3	Have the potential to influence ABCB11			[4]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	1016
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Tyrosine 1016 has the potential to affect its expression or activity.
PTM Phenomenon 4	Have the potential to influence ABCB11			[15]
Role of PTM	Potential impacts
Modified Residue	Tyrosine	Modified Location	1064
Experimental Method	Co-Immunoprecipitation
Detailed Description	Phosphorylation at ABCB11 Tyrosine 1064 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	Affecting the surface membrane expression of ABCB11			[18]
Role of PTM	Degradation via Proteosome
Experimental Material(s)	Madin-darby canine kidney II (MDCKII) cells
Experimental Method	Co-Immunoprecipitation
Detailed Description	Ubiquitination at ABCB11 have been reported to affect its surface membrane expression.

References
1	Two N-linked glycans are required to maintain the transport activity of the bile salt export pump (ABCB11) in MDCK II cells. Am J Physiol Gastrointest Liver Physiol. 2007 Mar;292(3):G818-28.
2	A Quantitative Tissue-Specific Landscape of Protein Redox Regulation during Aging. Cell. 2020 Mar 5;180(5):968-983.e24.
3	Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics. 2012 Sep;11(9):651-68.
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	Large-Scale Reanalysis of Publicly Available HeLa Cell Proteomics Data in the Context of the Human Proteome Project. J Proteome Res. 2018 Dec 7;17(12):4160-4170.
6	UniProt: a worldwide hub of protein knowledge. Nucleic Acids Res. 2019 Jan 8;47(D1):D506-D515.
7	A fast sample processing strategy for large-scale profiling of human urine phosphoproteome by mass spectrometry. Talanta. 2018 Aug 1;185:166-173.
8	An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome. J Proteomics. 2014 Jan 16;96:253-62.
9	Competitive regulation of modular allosteric aptazymes by a small molecule and oligonucleotide effector. RNA. 2005 Oct;11(10):1514-20.
10	Comparison of the Pharmacokinetics and Pharmacodynamics of Single-Dose Tenofovir Vaginal Film and Gel Formulation (FAME 05). J Acquir Immune Defic Syndr. 2018 Feb 1;77(2):175-182.
11	Phosphoproteome Integration Reveals Patient-Specific Networks in Prostate Cancer. Cell. 2016 Aug 11;166(4):1041-1054.
12	Large-scale proteome quantification of hepatocellular carcinoma tissues by a three-dimensional liquid chromatography strategy integrated with sample preparation. J Proteome Res. 2014 Aug 1;13(8):3645-54.
13	Non-alcoholic fatty liver disease phosphoproteomics: A functional piece of the precision puzzle. Hepatol Res. 2017 Dec;47(13):1469-1483.
14	The calcium-dependent protein kinase 3 of toxoplasma influences basal calcium levels and functions beyond egress as revealed by quantitative phosphoproteome analysis. PLoS Pathog. 2014 Jun 19;10(6):e1004197.
15	An integrated strategy for highly sensitive phosphoproteome analysis from low micrograms of protein samples. Analyst. 2018 Jul 23;143(15):3693-3701.
16	iTRAQ labeling is superior to mTRAQ for quantitative global proteomics and phosphoproteomics. Mol Cell Proteomics. 2012 Jun;11(6):M111.014423.
17	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: ABCBB_HUMAN)
18	Short-chain ubiquitination is associated with the degradation rate of a cell-surface-resident bile salt export pump (BSEP/ABCB11). Mol Pharmacol. 2009 Jan;75(1):143-50.

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Detail Information of Post-Translational Modifications

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