Ser20

Site Information
APPVRMSstIFSTGG SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 448298

In vivo Characterization
Methods used to characterize site in vivo:	electrophoretic mobility shift ( 12 ) , immunoprecipitation ( 2 ) , mass spectrometry ( 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 ) , mutation of modification site ( 2 ) , phospho-antibody ( 2 , 12 ) , western blotting ( 2 , 12 )
Relevant cell line - cell type - tissue:	'3T3-L1, differentiated' (adipocyte) ( 3 ) , 3T3 (fibroblast) [CDC42 (human), transfection] ( 4 ) , fibroblast-lung ( 8 , 9 , 10 ) , GT1-7 (neuron) ( 2 ) , heart ( 5 ) , neuron-'brain, hypothalamus' ( 2 ) , neutrophil ( 12 ) , PYS-2 (epithelial) ( 6 , 7 )

Upstream Regulation
Putative in vivo kinases:	AMPKA1 (mouse) ( 2 )
Treatments:	acadesine ( 2 ) , fasting ( 2 ) , glucose_starvation ( 2 )

References
1	Sacco F, et al. (2016) Glucose-regulated and drug-perturbed phosphoproteome reveals molecular mechanisms controlling insulin secretion. Nat Commun 7, 13250 27841257 Curated Info
2	Kong D, et al. (2016) A Postsynaptic AMPK→p21-Activated Kinase Pathway Drives Fasting-Induced Synaptic Plasticity in AgRP Neurons. Neuron 91, 25-33 27321921 Curated Info
3	Parker BL, et al. (2015) Targeted phosphoproteomics of insulin signaling using data-independent acquisition mass spectrometry. Sci Signal 8, rs6 26060331 Curated Info
4	Gnad F, et al. (2013) Systems-wide Analysis of K-Ras, Cdc42, and PAK4 Signaling by Quantitative Phosphoproteomics. Mol Cell Proteomics 12, 2070-80 23608596 Curated Info
5	Lundby A, et al. (2013) In vivo phosphoproteomics analysis reveals the cardiac targets of β-adrenergic receptor signaling. Sci Signal 6, rs11 23737553 Curated Info
6	Zhou J (2010) CST Curation Set: 9675; Year: 2010; Biosample/Treatment: cell line, PY2/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser/Thr) PKD Substrate Antibody Cat#: 4381, PTMScan(R) Phospho-PKD Substrate Motif (LXRXXpS/pT) Immunoaffinity Beads Cat#: 1986 Curated Info
7	Zhou J (2010) CST Curation Set: 9669; Year: 2010; Biosample/Treatment: cell line, PY2/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
8	Guo A (2010) CST Curation Set: 9027; Year: 2010; Biosample/Treatment: cell line, mouse lung fibroblasts/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
9	Guo A (2009) CST Curation Set: 6407; Year: 2009; Biosample/Treatment: cell line, mouse lung fibroblasts/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
10	Guo A (2009) CST Curation Set: 6404; Year: 2009; Biosample/Treatment: cell line, mouse lung fibroblasts/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
11	Guo A (2008) CST Curation Set: 4001; Year: 2008; Biosample/Treatment: cell line, E3 rictor del/del/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
12	Zhan Q, et al. (2003) p21-activated kinase 2 in neutrophils can be regulated by phosphorylation at multiple sites and by a variety of protein phosphatases. J Immunol 171, 3785-93 14500679 Curated Info