Ser295

Site Information
sPFKRQLsLRINELP SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 470030

In vivo Characterization
Methods used to characterize site in vivo:	[32P] ATP in vitro ( 16 ) , mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 ) , mutation of modification site ( 16 ) , phospho-antibody ( 16 ) , western blotting ( 16 )
Disease tissue studied:	breast cancer ( 5 ) , HER2 positive breast cancer ( 3 ) , luminal A breast cancer ( 3 ) , luminal B breast cancer ( 3 ) , breast cancer, surrounding tissue ( 3 ) , breast cancer, triple negative ( 3 ) , leukemia ( 6 ) , acute myelogenous leukemia ( 6 ) , melanoma skin cancer ( 2 )
Relevant cell line - cell type - tissue:	breast ( 3 ) , ECV304 (endothelial) ( 16 ) , HeLa (cervical) ( 4 , 16 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 5 ) , HMLER ('stem, breast cancer') ( 5 ) , Jurkat (T lymphocyte) ( 9 , 10 , 11 , 12 , 13 , 14 ) , KG-1 (myeloid) ( 6 ) , NCI-H1703 (squamous) ( 15 ) , NCI-H3255 (pulmonary) ( 7 , 8 ) , skin ( 2 ) , Vero (epithelial) ( 16 ) , Vero E6-S ('epithelial, kidney') ( 1 )

Upstream Regulation
Kinases, in vitro:	PKCI (human) ( 16 )

References
1	Bouhaddou M, et al. (2020) The Global Phosphorylation Landscape of SARS-CoV-2 Infection. Cell 32645325 Curated Info
2	Bassani-Sternberg M, et al. (2016) Direct identification of clinically relevant neoepitopes presented on native human melanoma tissue by mass spectrometry. Nat Commun 7, 13404 27869121 Curated Info
3	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 Curated Info
4	Sharma K, et al. (2014) Ultradeep human phosphoproteome reveals a distinct regulatory nature of Tyr and Ser/Thr-based signaling. Cell Rep 8, 1583-94 25159151 Curated Info
5	Yi T, et al. (2014) Quantitative phosphoproteomic analysis reveals system-wide signaling pathways downstream of SDF-1/CXCR4 in breast cancer stem cells. Proc Natl Acad Sci U S A 111, E2182-90 24782546 Curated Info
6	Weber C, Schreiber TB, Daub H (2012) Dual phosphoproteomics and chemical proteomics analysis of erlotinib and gefitinib interference in acute myeloid leukemia cells. J Proteomics 75, 1343-56 22115753 Curated Info
7	Possemato A (2009) CST Curation Set: 7415; Year: 2009; Biosample/Treatment: cell line, NCI-H3255/untreated; Disease: non-small cell lung cancer; 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
8	Possemato A (2009) CST Curation Set: 7416; Year: 2009; Biosample/Treatment: cell line, NCI-H3255/untreated; Disease: non-small cell lung cancer; 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
9	Zhou J (2009) CST Curation Set: 5902; Year: 2009; Biosample/Treatment: cell line, Jurkat/untreated; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985 Curated Info
10	Zhou J (2009) CST Curation Set: 5903; Year: 2009; Biosample/Treatment: cell line, Jurkat/untreated; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985 Curated Info
11	Zhou J (2009) CST Curation Set: 5905; Year: 2009; Biosample/Treatment: cell line, Jurkat/TPA; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985 Curated Info
12	Zhou J (2009) CST Curation Set: 5898; Year: 2009; Biosample/Treatment: cell line, Jurkat/untreated; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985 Curated Info
13	Zhou J (2008) CST Curation Set: 5472; Year: 2008; Biosample/Treatment: cell line, Jurkat/untreated; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985 Curated Info
14	Zhou J (2008) CST Curation Set: 5473; Year: 2008; Biosample/Treatment: cell line, Jurkat/untreated; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985 Curated Info
15	Moritz A (2008) CST Curation Set: 4972; Year: 2008; Biosample/Treatment: cell line, NCI-H1703/Gleevec; Disease: non-small cell lung cancer; 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
16	Nishimura T, Kaibuchi K (2007) Numb controls integrin endocytosis for directional cell migration with aPKC and PAR-3. Dev Cell 13, 15-28 17609107 Curated Info