Experiment description of studies that identified POP1 in exosomes

1 Experiment ID 207 ISEV standards ✔ EM EV Biophysical techniques ✔ TSG101|HSP70 EV Cytosolic markers ✔ FLOT1 EV Membrane markers ✔ VDAC EV Negative markers ✔ NTA EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 23161513     Organism Homo sapiens Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS. Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ. Journal name Mol Cell Proteomics Publication year 2012 Sample Colorectal cancer cells Sample name DKO-1 Isolation/purification methods Differential centrifugation Filtration Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry

2 Experiment ID 208 ISEV standards ✔ EM EV Biophysical techniques ✔ TSG101|HSP70 EV Cytosolic markers ✔ FLOT1 EV Membrane markers ✔ VDAC EV Negative markers ✔ NTA EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 23161513     Organism Homo sapiens Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS. Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ. Journal name Mol Cell Proteomics Publication year 2012 Sample Colorectal cancer cells Sample name Dks-8 Isolation/purification methods Differential centrifugation Filtration Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry

3 Experiment ID 209 ISEV standards ✘ EV Biophysical techniques ✔ TSG101|HSP70 EV Cytosolic markers ✔ FLOT1 EV Membrane markers ✔ VDAC EV Negative markers ✔ NTA EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 23161513     Organism Homo sapiens Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS. Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ. Journal name Mol Cell Proteomics Publication year 2012 Sample Colorectal cancer cells Sample name DLD-1 Isolation/purification methods Differential centrifugation Filtration Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry

4 Experiment ID 224 ISEV standards ✔ EM|AFM EV Biophysical techniques ✔ Alix|TSG101 EV Cytosolic markers ✔ CD63|CD81 EV Membrane markers ✔ GOLGA2 EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 25944692     Organism Homo sapiens Experiment description Proteogenomic analysis reveals exosomes are more oncogenic than ectosomes Authors Keerthikumar S, Gangoda L, Liem M, Fonseka P, Atukorala I, Ozcitti C, Mechler A, Adda CG, Ang CS, Mathivanan S Journal name Oncotarget Publication year 2015 Sample Neuroblastoma cells Sample name SH-SY5Y Isolation/purification methods Differential centrifugation Ultracentrifugation OptiPrep density gradient Flotation density 1.10 g/mL Molecules identified in the study Protein Methods used in the study Mass spectrometry Western blotting

Protein-protein interactions for POP1

Protein Interactor ExoCarta ID Identification method PubMed Species 1 RPP40   Reconstituted Complex Homo sapiens 2 POP4 10775 Affinity Capture-MS Homo sapiens Reconstituted Complex Homo sapiens Reconstituted Complex Homo sapiens 3 RPP25   Reconstituted Complex Homo sapiens 4 RPP30 10556 Two-hybrid Homo sapiens 5 RPP38   Affinity Capture-MS Homo sapiens Two-hybrid Homo sapiens Reconstituted Complex Homo sapiens 6 POP1 10940 Affinity Capture-MS Homo sapiens Reconstituted Complex Homo sapiens Affinity Capture-MS Homo sapiens Reconstituted Complex Homo sapiens View the network

Pathways in which POP1 is involved

No pathways found