Ser902

Site Information
sPPRVKsstPPRQsP SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 453358

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 )
Disease tissue studied:	breast cancer ( 1 , 2 ) , gastric cancer ( 3 , 4 ) , gastric carcinoma ( 3 , 4 )
Relevant cell line - cell type - tissue:	293 (epithelial) ( 7 ) , BT-474 (breast cell) ( 1 ) , HeLa (cervical) ( 6 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 2 ) , HMLER ('stem, breast cancer') ( 2 ) , HUES-9 ('stem, embryonic') ( 5 ) , Jurkat (T lymphocyte) ( 15 , 16 , 17 ) , K562 (erythroid) ( 8 , 9 ) , MKN-45 (gastric) ( 3 , 4 , 13 ) , MV4-11 (macrophage) ( 12 ) , NCI-H1703 (squamous) ( 14 ) , SEM (B lymphocyte) ( 10 , 11 )

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	Moritz A (2011) CST Curation Set: 12384; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P , PTMScan(R) PLK Binding Motif (SpTP) Immunoaffinity Beads Cat#: 1995 Curated Info
4	Moritz A (2011) CST Curation Set: 12385; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P , PTMScan(R) PLK Binding Motif (SpTP) Immunoaffinity Beads Cat#: 1995 Curated Info
5	Rigbolt KT, et al. (2011) System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation. Sci Signal 4, rs3 21406692 Curated Info
6	Zhou J (2010) CST Curation Set: 10713; Year: 2010; Biosample/Treatment: cell line, HeLa/nocodazole; Disease: cervical adenocarcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Phospho-PLK Binding Motif (STP) (D73F6) Rabbit mAb Cat#: 5243, PTMScan(R) Phospho-PLK Binding Motif (STP) Immunoaffinity Beads Cat#: 5756 Curated Info
7	Guo A (2010) CST Curation Set: 9969; Year: 2010; Biosample/Treatment: cell line, 293/Insulin; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P Antibodies Used to Purify Peptides prior to LCMS: Millipore 05-368 Curated Info
8	Gu T (2009) CST Curation Set: 6993; Year: 2009; Biosample/Treatment: cell line, K562/-; Disease: chronic myelogenous leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
9	Gu T (2009) CST Curation Set: 6992; Year: 2009; Biosample/Treatment: cell line, K562/-; Disease: chronic myelogenous leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
10	Gu T (2009) CST Curation Set: 6987; Year: 2009; Biosample/Treatment: cell line, SEM/-; Disease: acute lymphocytic leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
11	Gu T (2009) CST Curation Set: 6986; Year: 2009; Biosample/Treatment: cell line, SEM/-; Disease: acute lymphocytic leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
12	Gu T (2009) CST Curation Set: 6974; Year: 2009; Biosample/Treatment: cell line, MV4-11/untreated; Disease: acute myelogenous leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
13	Zhou J (2009) CST Curation Set: 6865; Year: 2009; Biosample/Treatment: cell line, MKN-45/Su11274; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
14	Zhou J (2009) CST Curation Set: 6867; Year: 2009; Biosample/Treatment: cell line, NCI-H1703/Gleevec; Disease: non-small cell lung cancer; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: PXpSP, pSPX(K/R) Antibodies Used to Purify Peptides prior to LCMS: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXSP, SPXK/R) Immunoaffinity Beads Cat#: 1982 Curated Info
15	Possemato A (2008) CST Curation Set: 5273; Year: 2008; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P , PTMScan(R) PLK Binding Motif (SpTP) Immunoaffinity Beads Cat#: 1995 Curated Info
16	Possemato A (2008) CST Curation Set: 5274; Year: 2008; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P , PTMScan(R) PLK Binding Motif (SpTP) Immunoaffinity Beads Cat#: 1995 Curated Info
17	Possemato A (2008) CST Curation Set: 5275; Year: 2008; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]P , PTMScan(R) PLK Binding Motif (SpTP) Immunoaffinity Beads Cat#: 1995 Curated Info