PACS-1 / TRP channels
Name: Phosphofurin acidic cluster sorting protein 1
(PACS-1)
Official Symbol: PACS1
provided by HGNC
Function:
Coat protein that is involved in the localization of trans-Golgi network (TGN) membrane proteins that contain acidic cluster sorting motifs. Controls the endosome-to-Golgi trafficking of furin and mannose-6-phosphate receptor by connecting the acidic-cluster-containing cytoplasmic domain of these molecules with the adapter-protein complex-1 (AP-1) of endosomal clathrin-coated membrane pits. Involved in HIV-1 nef-mediated removal of MHC-I from the cell surface to the TGN.
Source: Reorganizing the protein space at the Universal Protein Resource (UniProt)
Nucleic Acids Res. 40: D71-D75 (2012).
Species |
External DB
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Entrez Gene | UniprotKB | DIP | IntAct | MINT | BioGRID | STRING | IUPHAR-DB | KEGG | OMIM | |
Human
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55690![]() |
Q6VY07![]() |
DIP-42824N![]() |
Q6VY07![]() |
MINT-3372090![]() |
120816![]() |
Q6VY07![]() |
hsa:55690![]() |
607492![]() |
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Mouse
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107975![]() |
Q8K212![]() |
DIP-37699N![]() |
Q8K212![]() |
UNK-5520352![]() |
223732![]() |
Q8K212![]() |
mmu:107975![]() |
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Rat
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171444![]() |
O88588![]() |
DIP-42823N![]() |
MINT-3372040![]() |
251254![]() |
O88588![]() |
rno:171444![]() |
Biological Process:
- GO:0032092
: positive regulation of protein binding
- GO:0000042
: protein targeting to Golgi
- GO:0072661
: protein targeting to plasma membrane
- GO:0050690
: regulation of defense response to virus by virus
- GO:0016032
: viral reproduction
- GO:0019048
: virus-host interaction
Source: The Gene Ontology Consortium. Gene ontology: tool for the unification of biology. Nat. Genet.. May 2000;25(1):25-9.
World Wide Web URL: http://www.geneontology.org/
World Wide Web URL: http://www.geneontology.org/
Disease:
No information in OMIM
Source: Online Mendelian Inheritance in Man, OMIM®. McKusick-Nathans Institute of Genetic Medicine,
Johns Hopkins University (Baltimore, MD), May, 2012.
World Wide Web URL: http://omim.org/
World Wide Web URL: http://omim.org/
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Screening
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Experimental screening | Non-experimental screening | Reference | ||||||||
TRP channel construct | Interactor source | |||||||||
TRP channel | Interactor | Method | Species | Region | Species | Organ/tissue | Sample type | |||
TRPP1 |
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PACS-1 | Inference | Prediction | 15692563 | |||||
TRPV1 |
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PACS-1 | Inference | Prediction | 23159249 | |||||
TRPV4 |
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PACS-1 | Inference | Prediction | 15692563 |
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click the arrow icon to show interactions only between the corresponding TRP channel and the interactor)
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Validation: In vitro validation
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Assay with recombinant proteins | Reference | |||||||||
TRP channel construct | Interactor construct | |||||||||
TRP channel | Interactor | Method | Species | Region | Expression system | Species | Region | Expression system | ||
TRPP1 |
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PACS-1 | Fusion protein-pull down assay | Human | Full-length | HEK293T lysates | Human | Full-length | Not specified | 15692563 |
TRPP1 |
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PACS-1 | Fusion protein-pull down assay | Not used | Mouse kidney tissue lysates | Human | Full-length | Not specified | 15692563 |
(
:
click the arrow icon to show interactions only between the corresponding TRP channel and the interactor)

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Validation: In vivo validation
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Assay with endogenous proteins | Assay with overexpressed proteins | Reference | ||||||||
Cell or tissue | Cell or tissue | TRP channel construct | Interactor construct | |||||||
TRP channel | Interactor | Method | Species | Region | Species | Region | ||||
TRPP1 |
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PACS-1 | Co-immunoprecipitation | COS M6 kidney cell | 15692563 | |||||
TRPV1 |
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PACS-1 | Co-immunoprecipitation | HEK293 | Human | Full-length | Human | Full-length | 23159249 | |
TRPV4 |
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PACS-1 | Co-immunoprecipitation | HEK293T | Human | Full-length | Human | Full-length | 15692563 |
(
:
click the arrow icon to show interactions only between the corresponding TRP channel and the interactor)

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Characterization
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Binding region mapping | Stoichiometry | Affinity (Kd) | Reference | |||||||
TRP channel | Interactor | |||||||||
TRP channel | Interactor | Method | Species | Region | Species | Region | ||||
TRPP1 |
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PACS-1 | Fluorescence probe labeling | 14.8 ƬM | 15692563 | |||||
TRPP1 |
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PACS-1 | Fusion protein-pull down assay | Human | 741-871 | Human | 115-255 | 15692563 | ||
TRPV4 |
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PACS-1 | Co-immunoprecipitation | Human | 1-486 | Human | Not determined | 15692563 |
(
:
click the arrow icon to show interactions only between the corresponding TRP channel and the interactor)
