| UniProt ID | PTN1_HUMAN | |
|---|---|---|
| UniProt AC | P18031 | |
| Protein Name | Tyrosine-protein phosphatase non-receptor type 1 | |
| Gene Name | PTPN1 | |
| Organism | Homo sapiens (Human). | |
| Sequence Length | 435 | |
| Subcellular Localization |
Endoplasmic reticulum membrane Peripheral membrane protein Cytoplasmic side . Interacts with EPHA3 at the cell membrane. |
|
| Protein Description | Tyrosine-protein phosphatase which acts as a regulator of endoplasmic reticulum unfolded protein response. Mediates dephosphorylation of EIF2AK3/PERK; inactivating the protein kinase activity of EIF2AK3/PERK. May play an important role in CKII- and p60c-src-induced signal transduction cascades. May regulate the EFNA5-EPHA3 signaling pathway which modulates cell reorganization and cell-cell repulsion. May also regulate the hepatocyte growth factor receptor signaling pathway through dephosphorylation of MET.. | |
| Protein Sequence | MEMEKEFEQIDKSGSWAAIYQDIRHEASDFPCRVAKLPKNKNRNRYRDVSPFDHSRIKLHQEDNDYINASLIKMEEAQRSYILTQGPLPNTCGHFWEMVWEQKSRGVVMLNRVMEKGSLKCAQYWPQKEEKEMIFEDTNLKLTLISEDIKSYYTVRQLELENLTTQETREILHFHYTTWPDFGVPESPASFLNFLFKVRESGSLSPEHGPVVVHCSAGIGRSGTFCLADTCLLLMDKRKDPSSVDIKKVLLEMRKFRMGLIQTADQLRFSYLAVIEGAKFIMGDSSVQDQWKELSHEDLEPPPEHIPPPPRPPKRILEPHNGKCREFFPNHQWVKEETQEDKDCPIKEEKGSPLNAAPYGIESMSQDTEVRSRVVGGSLRGAQAASPAKGEPSLPEKDEDHALSYWKPFLVNMCVATVLTAGAYLCYRFLFNSNT | |
| Overview of Protein Modification Sites with Functional and Structural Information | ||
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* ASA = Accessible Surface Area
| Locations | Modification | Substrate Peptides & Secondary Structure |
ASA (%) | Reference | Orthologous Protein Cluster |
|---|---|---|---|---|---|
| 1 | Acetylation | -------MEMEKEFE -------CCHHHHHH | 11.32 | 2546149 | |
| 5 | Ubiquitination | ---MEMEKEFEQIDK ---CCHHHHHHHHCC | 67.41 | - | |
| 12 | Ubiquitination | KEFEQIDKSGSWAAI HHHHHHCCCCCHHHH | 59.34 | - | |
| 13 | Phosphorylation | EFEQIDKSGSWAAIY HHHHHCCCCCHHHHH | 34.02 | 28796482 | |
| 15 | Phosphorylation | EQIDKSGSWAAIYQD HHHCCCCCHHHHHHH | 22.19 | 28796482 | |
| 20 | Phosphorylation | SGSWAAIYQDIRHEA CCCHHHHHHHHHHHH | 8.73 | 21082442 | |
| 32 | S-nitrosocysteine | HEASDFPCRVAKLPK HHHCCCCCCEECCCC | 5.73 | - | |
| 32 | S-nitrosylation | HEASDFPCRVAKLPK HHHCCCCCCEECCCC | 5.73 | 22178444 | |
| 46 | Phosphorylation | KNKNRNRYRDVSPFD CCCCCCCCCCCCCCC | 18.08 | 23927012 | |
| 50 | Phosphorylation | RNRYRDVSPFDHSRI CCCCCCCCCCCCCCC | 24.92 | 29255136 | |
| 55 | Phosphorylation | DVSPFDHSRIKLHQE CCCCCCCCCCEECCC | 37.23 | 23927012 | |
| 58 | Ubiquitination | PFDHSRIKLHQEDND CCCCCCCEECCCCCC | 38.51 | - | |
| 66 | Phosphorylation | LHQEDNDYINASLIK ECCCCCCCCCHHHEE | 11.43 | 8999839 | |
| 70 | Phosphorylation | DNDYINASLIKMEEA CCCCCCHHHEEHHHH | 26.58 | 28796482 | |
| 73 | 2-Hydroxyisobutyrylation | YINASLIKMEEAQRS CCCHHHEEHHHHHHH | 45.62 | - | |
| 73 | Ubiquitination | YINASLIKMEEAQRS CCCHHHEEHHHHHHH | 45.62 | - | |
| 80 | Phosphorylation | KMEEAQRSYILTQGP EHHHHHHHHEECCCC | 12.40 | 28796482 | |
| 81 | Phosphorylation | MEEAQRSYILTQGPL HHHHHHHHEECCCCC | 11.35 | 28796482 | |
| 84 | Phosphorylation | AQRSYILTQGPLPNT HHHHHEECCCCCCCC | 23.17 | 29978859 | |
| 91 | Phosphorylation | TQGPLPNTCGHFWEM CCCCCCCCCHHHHHH | 20.23 | 29978859 | |
| 92 | S-nitrosylation | QGPLPNTCGHFWEMV CCCCCCCCHHHHHHH | 5.18 | 22178444 | |
| 92 | S-nitrosocysteine | QGPLPNTCGHFWEMV CCCCCCCCHHHHHHH | 5.18 | - | |
| 104 | Phosphorylation | EMVWEQKSRGVVMLN HHHHHHHCCCEEEEC | 33.68 | 29978859 | |
| 116 | Ubiquitination | MLNRVMEKGSLKCAQ EECCHHHHCCCCCHH | 35.39 | - | |
| 116 | 2-Hydroxyisobutyrylation | MLNRVMEKGSLKCAQ EECCHHHHCCCCCHH | 35.39 | - | |
| 116 | Acetylation | MLNRVMEKGSLKCAQ EECCHHHHCCCCCHH | 35.39 | 25953088 | |
| 118 | Phosphorylation | NRVMEKGSLKCAQYW CCHHHHCCCCCHHCC | 35.41 | 23401153 | |
| 120 | Malonylation | VMEKGSLKCAQYWPQ HHHHCCCCCHHCCCC | 29.26 | 26320211 | |
| 120 | Ubiquitination | VMEKGSLKCAQYWPQ HHHHCCCCCHHCCCC | 29.26 | - | |
| 120 | Acetylation | VMEKGSLKCAQYWPQ HHHHCCCCCHHCCCC | 29.26 | 25953088 | |
| 128 | Ubiquitination | CAQYWPQKEEKEMIF CHHCCCCHHHHHEEE | 64.86 | - | |
| 131 | Ubiquitination | YWPQKEEKEMIFEDT CCCCHHHHHEEECCC | 54.39 | - | |
| 131 | 2-Hydroxyisobutyrylation | YWPQKEEKEMIFEDT CCCCHHHHHEEECCC | 54.39 | - | |
| 131 | Acetylation | YWPQKEEKEMIFEDT CCCCHHHHHEEECCC | 54.39 | 8242811 | |
| 133 | Sulfoxidation | PQKEEKEMIFEDTNL CCHHHHHEEECCCCC | 6.69 | 21406390 | |
| 141 | Acetylation | IFEDTNLKLTLISED EECCCCCEEEEECHH | 41.31 | 8242823 | |
| 141 | 2-Hydroxyisobutyrylation | IFEDTNLKLTLISED EECCCCCEEEEECHH | 41.31 | - | |
| 146 | Phosphorylation | NLKLTLISEDIKSYY CCEEEEECHHHHHHE | 32.12 | 21712546 | |
| 150 | Ubiquitination | TLISEDIKSYYTVRQ EEECHHHHHHEEEEE | 44.73 | - | |
| 152 | Phosphorylation | ISEDIKSYYTVRQLE ECHHHHHHEEEEEHH | 9.73 | 8999839 | |
| 153 | Phosphorylation | SEDIKSYYTVRQLEL CHHHHHHEEEEEHHH | 13.07 | 8999839 | |
| 201 | Phosphorylation | FLFKVRESGSLSPEH HHHHHHCCCCCCCCC | 24.10 | 30108239 | |
| 203 | Phosphorylation | FKVRESGSLSPEHGP HHHHCCCCCCCCCCC | 34.65 | 30108239 | |
| 205 | Phosphorylation | VRESGSLSPEHGPVV HHCCCCCCCCCCCEE | 29.91 | 30108239 | |
| 215 | S-nitrosylation | HGPVVVHCSAGIGRS CCCEEEECCCCCCCC | 1.69 | 22169477 | |
| 215 | Oxidation | HGPVVVHCSAGIGRS CCCEEEECCCCCCCC | 1.69 | 12802338 | |
| 215 | Sulfation | HGPVVVHCSAGIGRS CCCEEEECCCCCCCC | 1.69 | 12802338 | |
| 215 | Sulfhydration | HGPVVVHCSAGIGRS CCCEEEECCCCCCCC | 1.69 | 22169477 | |
| 215 | Glutathionylation | HGPVVVHCSAGIGRS CCCEEEECCCCCCCC | 1.69 | 12802338 | |
| 215 | Cysteine persulfide | HGPVVVHCSAGIGRS CCCEEEECCCCCCCC | 1.69 | - | |
| 216 | Phosphorylation | GPVVVHCSAGIGRSG CCEEEECCCCCCCCH | 18.04 | 30108239 | |
| 222 | Phosphorylation | CSAGIGRSGTFCLAD CCCCCCCCHHEEEHH | 36.65 | 27251275 | |
| 224 | Phosphorylation | AGIGRSGTFCLADTC CCCCCCHHEEEHHHH | 16.66 | 27251275 | |
| 239 | Ubiquitination | LLLMDKRKDPSSVDI HHHHHCCCCCCCCCH | 78.65 | - | |
| 242 | Phosphorylation | MDKRKDPSSVDIKKV HHCCCCCCCCCHHHH | 53.80 | 20068231 | |
| 243 | Phosphorylation | DKRKDPSSVDIKKVL HCCCCCCCCCHHHHH | 29.24 | 20068231 | |
| 247 | Ubiquitination | DPSSVDIKKVLLEMR CCCCCCHHHHHHHHH | 32.16 | - | |
| 248 | Ubiquitination | PSSVDIKKVLLEMRK CCCCCHHHHHHHHHH | 38.15 | - | |
| 258 | Sulfoxidation | LEMRKFRMGLIQTAD HHHHHHHHCCCHHHH | 6.03 | 21406390 | |
| 270 | Phosphorylation | TADQLRFSYLAVIEG HHHHHHHHHHHHCCC | 16.89 | 23663014 | |
| 271 | Phosphorylation | ADQLRFSYLAVIEGA HHHHHHHHHHHCCCC | 8.93 | 23663014 | |
| 285 | Phosphorylation | AKFIMGDSSVQDQWK CEEECCCCCHHHHHH | 27.04 | 25627689 | |
| 286 | Phosphorylation | KFIMGDSSVQDQWKE EEECCCCCHHHHHHH | 28.65 | 25159151 | |
| 295 | Phosphorylation | QDQWKELSHEDLEPP HHHHHHCCCCCCCCC | 26.39 | 29255136 | |
| 314 | Ubiquitination | PPPPRPPKRILEPHN CCCCCCCCCCCCCCC | 55.54 | - | |
| 323 | Acetylation | ILEPHNGKCREFFPN CCCCCCCCCHHHCCC | 35.12 | 25953088 | |
| 323 | Ubiquitination | ILEPHNGKCREFFPN CCCCCCCCCHHHCCC | 35.12 | - | |
| 335 | Sumoylation | FPNHQWVKEETQEDK CCCCHHHHHHCCCCC | 47.04 | - | |
| 335 | Ubiquitination | FPNHQWVKEETQEDK CCCCHHHHHHCCCCC | 47.04 | - | |
| 335 | Sumoylation | FPNHQWVKEETQEDK CCCCHHHHHHCCCCC | 47.04 | - | |
| 338 | Phosphorylation | HQWVKEETQEDKDCP CHHHHHHCCCCCCCC | 38.05 | 30108239 | |
| 347 | Sumoylation | EDKDCPIKEEKGSPL CCCCCCCCCCCCCCC | 44.99 | - | |
| 347 | Sumoylation | EDKDCPIKEEKGSPL CCCCCCCCCCCCCCC | 44.99 | - | |
| 350 | Ubiquitination | DCPIKEEKGSPLNAA CCCCCCCCCCCCCCC | 66.82 | 21906983 | |
| 352 | Phosphorylation | PIKEEKGSPLNAAPY CCCCCCCCCCCCCCC | 36.96 | 29255136 | |
| 359 | Phosphorylation | SPLNAAPYGIESMSQ CCCCCCCCCHHHCCC | 26.47 | 30266825 | |
| 363 | Phosphorylation | AAPYGIESMSQDTEV CCCCCHHHCCCCCCH | 23.08 | 30266825 | |
| 365 | Phosphorylation | PYGIESMSQDTEVRS CCCHHHCCCCCCHHH | 33.90 | 30266825 | |
| 368 | Phosphorylation | IESMSQDTEVRSRVV HHHCCCCCCHHHHHH | 28.83 | 30266825 | |
| 372 | Phosphorylation | SQDTEVRSRVVGGSL CCCCCHHHHHHCCCC | 34.30 | 26074081 | |
| 378 | Phosphorylation | RSRVVGGSLRGAQAA HHHHHCCCCCCHHCC | 14.68 | 25159151 | |
| 380 | Methylation | RVVGGSLRGAQAASP HHHCCCCCCHHCCCC | 39.85 | 115489601 | |
| 386 | Phosphorylation | LRGAQAASPAKGEPS CCCHHCCCCCCCCCC | 28.53 | 25159151 | |
| 393 | Phosphorylation | SPAKGEPSLPEKDED CCCCCCCCCCCCCCC | 52.86 | 25159151 | |
| 417 | Phosphorylation | LVNMCVATVLTAGAY HHHHHHHHHHHHHHH | 8.82 | 24719451 | |
| 424 | Phosphorylation | TVLTAGAYLCYRFLF HHHHHHHHHHHHHHH | 9.08 | 24719451 | |
| 427 | Phosphorylation | TAGAYLCYRFLFNSN HHHHHHHHHHHHCCC | 11.21 | 26267517 |
| Modified Location | Modified Residue | Modification | Type of Upstream Proteins | Gene Name of Upstream Proteins | UniProt AC of Upstream Proteins | Sources |
|---|---|---|---|---|---|---|
| 50 | S | Phosphorylation | Kinase | AKT1 | P31749 | Uniprot |
| 50 | S | Phosphorylation | Kinase | CLK1 | P49759 | Uniprot |
| 50 | S | Phosphorylation | Kinase | CLK2 | P49760 | Uniprot |
| 50 | S | Phosphorylation | Kinase | PKB_GROUP | - | PhosphoELM |
| 50 | S | Phosphorylation | Kinase | AKT-FAMILY | - | GPS |
| 66 | Y | Phosphorylation | Kinase | EGFR | P00533 | Uniprot |
| 152 | Y | Phosphorylation | Kinase | INSR | P06213 | PhosphoELM |
| 153 | Y | Phosphorylation | Kinase | INSR | P06213 | PhosphoELM |
| 242 | S | Phosphorylation | Kinase | CLK1 | P49759 | Uniprot |
| 242 | S | Phosphorylation | Kinase | CLK2 | P49760 | Uniprot |
| 243 | S | Phosphorylation | Kinase | CLK1 | P49759 | Uniprot |
| 243 | S | Phosphorylation | Kinase | CLK2 | P49760 | Uniprot |
| 286 | S | Phosphorylation | Kinase | PLK1 | P53350 | PSP |
| 378 | S | Phosphorylation | Kinase | PKC_GROUP | - | PhosphoELM |
| 378 | S | Phosphorylation | Kinase | PKC | - | Uniprot |
| 378 | S | Phosphorylation | Kinase | PKC-FAMILY | - | GPS |
| 378 | S | Phosphorylation | Kinase | PRKCA | P17252 | GPS |
| 386 | S | Phosphorylation | Kinase | CDK-FAMILY | - | GPS |
| 386 | S | Phosphorylation | Kinase | CDK_GROUP | - | PhosphoELM |
| 386 | S | Phosphorylation | Kinase | CDK1 | P06493 | Uniprot |
| 393 | S | Phosphorylation | Kinase | PLK1 | P53350 | PSP |
* Distance = the distance between SAP position and PTM sites.
| Modified Location | Modification | Variant Position (Distance <= 10) |
Residue Change | SAP | Related Disease | Reference |
|---|---|---|---|---|---|---|
Oops, there are no SNP-PTM records of PTN1_HUMAN !! | ||||||
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| Acetylation | |
| Reference | PubMed |
| "Human placenta protein-tyrosine-phosphatase: amino acid sequence andrelationship to a family of receptor-like proteins."; Charbonneau H., Tonks N.K., Kumar S., Diltz C.D., Harrylock M.,Cool D.E., Krebs E.G., Fischer E.H., Walsh K.A.; Proc. Natl. Acad. Sci. U.S.A. 86:5252-5256(1989). Cited for: PROTEIN SEQUENCE OF 1-321. | |
| Phosphorylation | |
| Reference | PubMed |
| "Kinase-selective enrichment enables quantitative phosphoproteomics ofthe kinome across the cell cycle."; Daub H., Olsen J.V., Bairlein M., Gnad F., Oppermann F.S., Korner R.,Greff Z., Keri G., Stemmann O., Mann M.; Mol. Cell 31:438-448(2008). Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-50 AND SER-352, AND MASSSPECTROMETRY. | |
| "Global, in vivo, and site-specific phosphorylation dynamics insignaling networks."; Olsen J.V., Blagoev B., Gnad F., Macek B., Kumar C., Mortensen P.,Mann M.; Cell 127:635-648(2006). Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-50 AND SER-295, AND MASSSPECTROMETRY. | |
| "Phosphorylation of PTP1B at Ser(50) by Akt impairs its ability todephosphorylate the insulin receptor."; Ravichandran L.V., Chen H., Li Y., Quon M.J.; Mol. Endocrinol. 15:1768-1780(2001). Cited for: PHOSPHORYLATION AT SER-50, AND MUTAGENESIS OF SER-50. | |
| "The CLK family kinases, CLK1 and CLK2, phosphorylate and activate thetyrosine phosphatase, PTP-1B."; Moeslein F.M., Myers M.P., Landreth G.E.; J. Biol. Chem. 274:26697-26704(1999). Cited for: PHOSPHORYLATION AT SER-50; SER-242 AND SER-243, AND MUTAGENESIS OFSER-50. | |
| "Multi-site phosphorylation of the protein tyrosine phosphatase,PTP1B: identification of cell cycle regulated and phorbol esterstimulated sites of phosphorylation."; Flint A.J., Gebbink M.F.G.B., Franza B.R. Jr., Hill D.E., Tonks N.K.; EMBO J. 12:1937-1946(1993). Cited for: PHOSPHORYLATION AT SER-352; SER-378 AND SER-386. | |
| "Immunoaffinity profiling of tyrosine phosphorylation in cancercells."; Rush J., Moritz A., Lee K.A., Guo A., Goss V.L., Spek E.J., Zhang H.,Zha X.-M., Polakiewicz R.D., Comb M.J.; Nat. Biotechnol. 23:94-101(2005). Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT TYR-20, AND MASSSPECTROMETRY. | |
| "Protein tyrosine phosphatase 1B interacts with and is tyrosinephosphorylated by the epidermal growth factor receptor."; Liu F., Chernoff J.; Biochem. J. 327:139-145(1997). Cited for: PHOSPHORYLATION AT TYR-66. | |
| S-nitrosylation | |
| Reference | PubMed |
| "H2s-induced sulfhydration of the phosphatase PTP1B and its role inthe endoplasmic reticulum stress response."; Krishnan N., Fu C., Pappin D.J., Tonks N.K.; Sci. Signal. 4:RA86-RA86(2011). Cited for: FUNCTION, SULFHYDRATION AT CYS-215, S-NITROSYLATION AT CYS-215,MUTAGENESIS OF CYS-215, AND MUTAGENESIS OF ASP-181 AND CYS-215. | |