Gene description for PRKAA2
Gene name protein kinase, AMP-activated, alpha 2 catalytic subunit
Gene symbol PRKAA2
Other names/aliases AMPK
AMPK2
AMPKa2
PRKAA
Species Homo sapiens
 Database cross references - PRKAA2
ExoCarta ExoCarta_5563
Vesiclepedia VP_5563
Entrez Gene 5563
HGNC 9377
MIM 600497
UniProt P54646  
 PRKAA2 identified in exosomes derived from the following tissue/cell type
Neuroblastoma cells 25944692    
 Gene ontology annotations for PRKAA2
Molecular Function
    chromatin binding GO:0003682 ISS
    protein kinase activity GO:0004672 TAS
    protein serine/threonine kinase activity GO:0004674 IBA
    protein serine/threonine kinase activity GO:0004674 IDA
    protein serine/threonine kinase activity GO:0004674 ISS
    protein serine/threonine kinase activity GO:0004674 TAS
    3-phosphoinositide-dependent protein kinase activity GO:0004676 IEA
    DNA-dependent protein kinase activity GO:0004677 IEA
    AMP-activated protein kinase activity GO:0004679 IDA
    AMP-activated protein kinase activity GO:0004679 ISS
    eukaryotic translation initiation factor 2alpha kinase activity GO:0004694 IEA
    ribosomal protein S6 kinase activity GO:0004711 IEA
    protein serine/threonine/tyrosine kinase activity GO:0004712 IDA
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    histone H3S10 kinase activity GO:0035175 IEA
    histone H3T11 kinase activity GO:0035402 IEA
    histone H3T6 kinase activity GO:0035403 IEA
    histone H2AXS139 kinase activity GO:0035979 IEA
    histone H3S28 kinase activity GO:0044022 IEA
    histone H4S1 kinase activity GO:0044023 IEA
    histone H2AS1 kinase activity GO:0044024 IEA
    histone H2BS14 kinase activity GO:0044025 IEA
    metal ion binding GO:0046872 IEA
    [hydroxymethylglutaryl-CoA reductase (NADPH)] kinase activity GO:0047322 IEA
    histone H3T3 kinase activity GO:0072354 IEA
    histone H2AS121 kinase activity GO:0072371 IEA
    Rho-dependent protein serine/threonine kinase activity GO:0072518 IEA
    protein serine kinase activity GO:0106310 IEA
    histone H2BS36 kinase activity GO:0140823 ISS
    histone H3S57 kinase activity GO:0140855 IEA
    histone H3T45 kinase activity GO:0140857 IEA
    histone H2AT120 kinase activity GO:1990244 IEA
Biological Process
    chromatin remodeling GO:0006338 IEA
    protein phosphorylation GO:0006468 TAS
    fatty acid biosynthetic process GO:0006633 IEA
    cholesterol biosynthetic process GO:0006695 IEA
    autophagy GO:0006914 IEA
    signal transduction GO:0007165 TAS
    lipid biosynthetic process GO:0008610 ISS
    positive regulation of autophagy GO:0010508 ISS
    negative regulation of gene expression GO:0010629 ISS
    response to muscle activity GO:0014850 IEA
    Wnt signaling pathway GO:0016055 IEA
    positive regulation of macroautophagy GO:0016239 TAS
    regulation of macroautophagy GO:0016241 ISS
    cellular response to nutrient levels GO:0031669 IDA
    cellular response to nutrient levels GO:0031669 ISS
    cellular response to nutrient levels GO:0031669 NAS
    negative regulation of TOR signaling GO:0032007 IBA
    negative regulation of TOR signaling GO:0032007 ISS
    cellular response to oxidative stress GO:0034599 ISS
    cellular response to glucose starvation GO:0042149 IBA
    cellular response to glucose starvation GO:0042149 IDA
    glucose homeostasis GO:0042593 ISS
    regulation of circadian rhythm GO:0042752 ISS
    negative regulation of apoptotic process GO:0043066 ISS
    positive regulation of glycolytic process GO:0045821 ISS
    rhythmic process GO:0048511 IEA
    fatty acid homeostasis GO:0055089 ISS
    regulation of stress granule assembly GO:0062028 IEA
    regulation of microtubule cytoskeleton organization GO:0070507 ISS
    cellular response to calcium ion GO:0071277 ISS
    cellular response to glucose stimulus GO:0071333 ISS
    cellular response to prostaglandin E stimulus GO:0071380 IEA
    cellular response to xenobiotic stimulus GO:0071466 IEA
    energy homeostasis GO:0097009 ISS
    positive regulation of protein localization GO:1903829 ISS
    negative regulation of hepatocyte apoptotic process GO:1903944 IDA
    negative regulation of TORC1 signaling GO:1904262 IDA
    negative regulation of tubulin deacetylation GO:1904428 ISS
    lipid droplet disassembly GO:1905691 IDA
    protein localization to lipid droplet GO:1990044 IDA
    positive regulation of peptidyl-lysine acetylation GO:2000758 ISS
Subcellular Localization
    nucleus GO:0005634 IBA
    nucleus GO:0005634 IDA
    nucleus GO:0005634 TAS
    nucleoplasm GO:0005654 TAS
    cytoplasm GO:0005737 IBA
    Golgi apparatus GO:0005794 IDA
    cytosol GO:0005829 TAS
    cytoplasmic stress granule GO:0010494 ISS
    nuclear speck GO:0016607 IDA
    axon GO:0030424 ISS
    dendrite GO:0030425 ISS
    nucleotide-activated protein kinase complex GO:0031588 IBA
    nucleotide-activated protein kinase complex GO:0031588 IPI
    nucleotide-activated protein kinase complex GO:0031588 ISS
    neuronal cell body GO:0043025 ISS
 Experiment description of studies that identified PRKAA2 in exosomes
1
Experiment ID 224
MISEV standards
EM|AFM
Biophysical techniques
Alix|TSG101|CD63|CD81
Enriched markers
GOLGA2
Negative markers
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 PRKAA2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 MORN3  
Two-hybrid Homo sapiens
2 PRKAA1 5562
Affinity Capture-MS Homo sapiens
3 MAD2L1 4085
Affinity Capture-MS Homo sapiens
4 NECAB2  
Two-hybrid Homo sapiens
5 USH1G  
Two-hybrid Homo sapiens
6 RBPMS 11030
Two-hybrid Homo sapiens
7 SKIV2L 6499
Two-hybrid Homo sapiens
8 WWP1 11059
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Two-hybrid Homo sapiens
9 ZXDC  
Affinity Capture-MS Homo sapiens
10 KIFC3 3801
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
11 PSMD11 5717
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
12 BTF3 689
Affinity Capture-MS Homo sapiens
13 REL 5966
Two-hybrid Homo sapiens
14 NRAP  
Two-hybrid Homo sapiens
15 MID1IP1  
Affinity Capture-MS Homo sapiens
16 MKRN3  
Two-hybrid Homo sapiens
17 BRCA1 672
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
18 GOLGA6A  
Two-hybrid Homo sapiens
19 USP9X 8239
Affinity Capture-Western Homo sapiens
20 CBWD2  
Affinity Capture-MS Homo sapiens
21 DVL3 1857
Two-hybrid Homo sapiens
22 CCNB1IP1  
Two-hybrid Homo sapiens
23 SRSF2 6427
Affinity Capture-MS Homo sapiens
24 MAP3K5 4217
Affinity Capture-MS Homo sapiens
25 GYG1 2992
Affinity Capture-MS Homo sapiens
26 ZNF397  
Two-hybrid Homo sapiens
27 TSC22D4 81628
Two-hybrid Homo sapiens
28 EMILIN1 11117
Two-hybrid Homo sapiens
29 PPP1R3C  
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
30 GFPT1 2673
Affinity Capture-MS Homo sapiens
31 RASAL3 64926
Two-hybrid Homo sapiens
32 STIM2 57620
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
33 CPSF7 79869
Two-hybrid Homo sapiens
34 SMYD2 56950
Affinity Capture-MS Homo sapiens
35 PIK3CG  
Affinity Capture-MS Homo sapiens
36 CALCOCO2  
Two-hybrid Homo sapiens
37 ABI1 10006
Two-hybrid Homo sapiens
38 MTUS2 23281
Two-hybrid Homo sapiens
39 DNAJB1 3337
Affinity Capture-MS Homo sapiens
40 ANAPC11  
Two-hybrid Homo sapiens
41 MAP3K6  
Affinity Capture-MS Homo sapiens
42 MLXIPL  
Affinity Capture-MS Homo sapiens
43 AMOT  
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
44 LAMTOR1 55004
Proximity Label-MS Homo sapiens
Affinity Capture-MS Homo sapiens
45 TFAP2A  
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Biochemical Activity Homo sapiens
46 AMOTL2 51421
Two-hybrid Homo sapiens
47 CCDC172  
Two-hybrid Homo sapiens
48 WASH1 100287171
Two-hybrid Homo sapiens
49 NUBP2 10101
Affinity Capture-MS Homo sapiens
50 USP10 9100
Affinity Capture-Western Homo sapiens
Biochemical Activity Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Biochemical Activity Homo sapiens
51 SUCLG1 8802
Affinity Capture-MS Homo sapiens
52 PRPH 5630
Two-hybrid Homo sapiens
53 RB1CC1 9821
Affinity Capture-MS Homo sapiens
54 PARK2  
Biochemical Activity Homo sapiens
55 KRT31 3881
Two-hybrid Homo sapiens
56 CCDC33 80125
Two-hybrid Homo sapiens
57 TMOD1  
Two-hybrid Homo sapiens
58 C19orf47  
Two-hybrid Homo sapiens
59 NONO 4841
Two-hybrid Homo sapiens
60 PRKAG1 5571
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
61 PRPS2 5634
Affinity Capture-MS Homo sapiens
62 GOLGA2 2801
Two-hybrid Homo sapiens
63 CERS2 29956
Affinity Capture-MS Homo sapiens
64 ACACA 31
Affinity Capture-MS Homo sapiens
65 UBE2I 7329
Two-hybrid Homo sapiens
66 PBXIP1 57326
Two-hybrid Homo sapiens
67 CYSRT1 375791
Two-hybrid Homo sapiens
68 PRKAB1 5564
Affinity Capture-MS Homo sapiens
Co-fractionation Homo sapiens
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
69 GYS1 2997
Affinity Capture-MS Homo sapiens
70 NRBF2  
Two-hybrid Homo sapiens
71 NACA 4666
Affinity Capture-MS Homo sapiens
72 ARRDC3 57561
Two-hybrid Homo sapiens
73 MORC4  
Affinity Capture-MS Homo sapiens
74 SMC1A 8243
Affinity Capture-MS Homo sapiens
75 CTNNA3  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
76 PRKAR1B  
Two-hybrid Homo sapiens
77 CDX4  
Two-hybrid Homo sapiens
78 MYCL  
Two-hybrid Homo sapiens
79 CAMKK2 10645
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
80 NIPSNAP1 8508
Affinity Capture-MS Homo sapiens
81 AIMP2 7965
Two-hybrid Homo sapiens
82 VPS37B 79720
Two-hybrid Homo sapiens
83 NOTCH2NL 388677
Two-hybrid Homo sapiens
84 FNIP1  
Affinity Capture-MS Homo sapiens
85 KRTAP1-3  
Two-hybrid Homo sapiens
86 RPL7A 6130
Cross-Linking-MS (XL-MS) Homo sapiens
87 PPM1E  
Affinity Capture-Western Homo sapiens
88 KCTD9  
Two-hybrid Homo sapiens
89 IKZF3  
Two-hybrid Homo sapiens
90 PPARG 5468
Affinity Capture-Western Homo sapiens
91 NUTM1  
Two-hybrid Homo sapiens
92 CDC42EP1 11135
Two-hybrid Homo sapiens
93 HYPK 25764
Cross-Linking-MS (XL-MS) Homo sapiens
94 MYOZ1  
Two-hybrid Homo sapiens
95 STIM1 6786
Affinity Capture-MS Homo sapiens
96 GLI1  
Two-hybrid Homo sapiens
97 DCLRE1C  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
98 CTAG2  
Two-hybrid Homo sapiens
99 HMBOX1  
Two-hybrid Homo sapiens
100 IKZF1  
Two-hybrid Homo sapiens
101 BAIAP2L1 55971
Affinity Capture-MS Homo sapiens
102 ZNF212  
Two-hybrid Homo sapiens
103 STK11 6794
Co-localization Homo sapiens
104 LZTS2 84445
Two-hybrid Homo sapiens
105 L3MBTL3  
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
106 FOS 2353
Two-hybrid Homo sapiens
107 RPA3 6119
Proximity Label-MS Homo sapiens
108 SOHLH1  
Two-hybrid Homo sapiens
109 CEP170B  
Affinity Capture-MS Homo sapiens
110 GIGYF1  
Two-hybrid Homo sapiens
111 ULK1  
Affinity Capture-MS Homo sapiens
112 RFX6  
Two-hybrid Homo sapiens
113 SPRY1 10252
Two-hybrid Homo sapiens
114 MRFAP1  
Two-hybrid Homo sapiens
115 KRTAP10-3  
Two-hybrid Homo sapiens
116 PPP1R32  
Two-hybrid Homo sapiens
117 USHBP1  
Two-hybrid Homo sapiens
118 KCTD1 284252
Two-hybrid Homo sapiens
119 PRKAB2 5565
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
120 KRT16 3868
Two-hybrid Homo sapiens
121 PPM1F 9647
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
122 TRIP6 7205
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Biochemical Activity Homo sapiens
123 KIF24  
Two-hybrid Homo sapiens
124 SLA2 84174
Two-hybrid Homo sapiens
125 AGL 178
Affinity Capture-MS Homo sapiens
126 ZSCAN23  
Two-hybrid Homo sapiens
127 TIFA  
Two-hybrid Homo sapiens
128 STAC2  
Two-hybrid Homo sapiens
129 VPS28 51160
Two-hybrid Homo sapiens
130 HOMEZ  
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
131 VPS52 6293
Two-hybrid Homo sapiens
132 ZBTB8A  
Two-hybrid Homo sapiens
133 DFFA 1676
Affinity Capture-MS Homo sapiens
134 RPTOR 57521
Biochemical Activity Homo sapiens
135 AVPI1  
Two-hybrid Homo sapiens
136 G3BP1 10146
Co-fractionation Homo sapiens
Affinity Capture-Western Homo sapiens
137 INSR 3643
Affinity Capture-Western Homo sapiens
138 MLF2 8079
Affinity Capture-MS Homo sapiens
139 PRKAG2 51422
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
140 HSP90AA1 3320
Affinity Capture-Luminescence Homo sapiens
141 KIAA1328  
Two-hybrid Homo sapiens
142 FLCN 201163
Affinity Capture-MS Homo sapiens
143 APPBP2  
Two-hybrid Homo sapiens
144 AES 166
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
145 WWP2 11060
Two-hybrid Homo sapiens
146 ABI2 10152
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
147 TCF4  
Two-hybrid Homo sapiens
148 PARS2 25973
Affinity Capture-MS Homo sapiens
149 NAB2 4665
Two-hybrid Homo sapiens
150 RAB7A 7879
Proximity Label-MS Homo sapiens
151 CDR2  
Two-hybrid Homo sapiens
152 TXNIP 10628
Affinity Capture-Western Homo sapiens
153 PTGES3 10728
Affinity Capture-MS Homo sapiens
154 SNW1 22938
Two-hybrid Homo sapiens
155 PRKAG3  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
156 LCN2 3934
Two-hybrid Homo sapiens
157 MAST3  
Affinity Capture-MS Homo sapiens
158 EPM2A  
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Biochemical Activity Homo sapiens
159 SERTAD3  
Two-hybrid Homo sapiens
160 PLEKHN1  
Two-hybrid Homo sapiens
161 SH3PXD2A 9644
Affinity Capture-MS Homo sapiens
162 KRTAP10-9  
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which PRKAA2 is involved
PathwayEvidenceSource
Activation of AMPK downstream of NMDARs IEA Reactome
Activation of NMDA receptors and postsynaptic events IEA Reactome
Activation of PPARGC1A (PGC-1alpha) by phosphorylation IEA Reactome
AMPK inhibits chREBP transcriptional activation activity TAS Reactome
AMPK inhibits chREBP transcriptional activation activity IEA Reactome
Autophagy IEA Reactome
Autophagy TAS Reactome
Carnitine shuttle TAS Reactome
Cellular response to chemical stress TAS Reactome
Cellular responses to stimuli TAS Reactome
Cellular responses to stress TAS Reactome
Energy dependent regulation of mTOR by LKB1-AMPK TAS Reactome
Fatty acid metabolism TAS Reactome
Gene expression (Transcription) TAS Reactome
Generic Transcription Pathway TAS Reactome
Integration of energy metabolism TAS Reactome
Integration of energy metabolism IEA Reactome
KEAP1-NFE2L2 pathway TAS Reactome
Lipophagy IEA Reactome
Macroautophagy IEA Reactome
Macroautophagy TAS Reactome
Membrane Trafficking IEA Reactome
Metabolism TAS Reactome
Metabolism IEA Reactome
Metabolism of lipids TAS Reactome
Mitochondrial biogenesis IEA Reactome
MTOR signalling TAS Reactome
Neuronal System IEA Reactome
Neurotransmitter receptors and postsynaptic signal transmission IEA Reactome
Nuclear events mediated by NFE2L2 TAS Reactome
Organelle biogenesis and maintenance IEA Reactome
Post NMDA receptor activation events IEA Reactome
Regulation of TP53 Activity TAS Reactome
Regulation of TP53 Activity through Phosphorylation TAS Reactome
RNA Polymerase II Transcription TAS Reactome
Selective autophagy IEA Reactome
Signal Transduction TAS Reactome
TP53 Regulates Metabolic Genes TAS Reactome
Transcriptional Regulation by TP53 TAS Reactome
Translocation of SLC2A4 (GLUT4) to the plasma membrane IEA Reactome
Transmission across Chemical Synapses IEA Reactome
Vesicle-mediated transport IEA Reactome





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