Ser549

Site Information
KKRKRNtssDNsDVE SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 4695535

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 )
Disease tissue studied:	breast cancer ( 1 , 2 ) , leukemia ( 3 ) , acute myelogenous leukemia ( 3 )
Relevant cell line - cell type - tissue:	BT-474 (breast cell) ( 1 ) , HeLa (cervical) ( 5 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 2 ) , HMLER ('stem, breast cancer') ( 2 ) , Jurkat (T lymphocyte) ( 4 ) , KG-1 (myeloid) ( 3 )

References
1	Carrier M, et al. (2016) Phosphoproteome and Transcriptome of RA-Responsive and RA-Resistant Breast Cancer Cell Lines. PLoS One 11, e0157290 27362937 Curated Info
2	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
3	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
4	Possemato A (2010) CST Curation Set: 9074; Year: 2010; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (F/Y)XpSAntibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) Arg-X-Tyr/Phe-X-pSer Motif Antibody Cat#: 2981 Curated Info
5	Ruse CI, et al. (2008) Motif-specific sampling of phosphoproteomes. J Proteome Res 7, 2140-50 18452278 Curated Info