Experiment description of studies that identified PPME1 in exosomes

1 Experiment ID 126 ISEV standards ✘ EV Biophysical techniques ✔ GAPDH EV Cytosolic markers ✘ EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry [LTQ-FT Ultra] PubMed ID Unpublished / Not applicable Organism Homo sapiens Experiment description Mesenchymal Stem Cell Exosomes: The Future MSC-based Therapy? Authors Ruenn Chai Lai, Ronne Wee Yeh Yeo, Soon Sim Tan, Bin Zhang, Yijun Yin, Newman Siu Kwan Sze, Andre Choo, and Sai Kiang Lim Journal name Mesenchymal Stem Cell Therapy Publication year 2011 Sample Mesenchymal stem cells Sample name huES9.E1 Isolation/purification methods HPLC Flotation density - Molecules identified in the study Protein Methods used in the study Western blotting Antobody array Mass spectrometry

2 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

3 Experiment ID 191 ISEV standards ✘ EV Biophysical techniques ✔ Alix EV Cytosolic markers ✔ CD81|CD9 EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 20124223     Organism Homo sapiens Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes. Authors Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK. Journal name Mol Cell Proteomics Publication year 2010 Sample Squamous carcinoma cells Sample name Squamous carcinoma cell (A431) Isolation/purification methods Differential centrifugation Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry

Protein-protein interactions for PPME1

Protein Interactor ExoCarta ID Identification method PubMed Species 1 PPP2CA 5515 Affinity Capture-MS Homo sapiens 2 PPP2R1A 5518 Affinity Capture-MS Homo sapiens View the network

Pathways in which PPME1 is involved

No pathways found