Mothers against decapentaplegic homolog 2 (Protein name
), SMAD2_HUMAN from NCBI database.
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General Annotation
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Antigen Annotation
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Gene name:
SMAD2(MADH2;MADR2);
Protein name:
Mothers against decapentaplegic homolog 2(MAD homolog 2;Mothers against DPP homolog 2);
Alternative:
Mad-related protein 2(hMAD-2);JV18-1;SMAD family member 2(SMAD 2;Smad2;hSMAD2);
Organism:
Human (Homo sapiens).
General Annotation
Sub Unit:
Momomer; the absence of TGF-beta. Heterodimer; in the presence of TGF-beta. Forms a heterodimer with co-SMAD, SMAD4, in the nucleus to form the transactivation complex SMAD2/SMAD4. Interacts with AIP1, HGS, PML and WWP1 (By similarity). Interacts with NEDD4L in response to TGF-beta (By similarity). Found in a complex with SMAD3 and TRIM33 upon addition of TGF-beta. Interacts with ACVR1B, SMAD3 and TRIM33. Interacts (via the MH2 domain) with ZFYVE9; may form trimers with the SMAD4 co-SMAD. Interacts with FOXH1, homeobox protein TGIF, PEBP2-alpha subunit, CREB-binding protein (CBP), EP300 and SKI. Interacts with SNON; when phosphorylated at Ser-465/467. Interacts with SKOR1 and SKOR2. Interacts with PRDM16. Interacts (via MH2 domain) with LEMD3. Interacts with RBPMS. Interacts with WWP1. Interacts (dephosphorylated form, via the MH1 and MH2 domains) with RANBP3 (via its C-terminal R domain); the interaction results in the export of dephosphorylated SMAD3 out of the nucleus and termination ot the TGF-beta signaling.
Function:
Receptor-regulated SMAD (R-SMAD) that is an intracellular signal transducer and transcriptional modulator activated by TGF-beta (transforming growth factor) and activin type 1 receptor kinases. Binds the TRE element in the promoter region of many genes that are regulated by TGF-beta and, on formation of the SMAD2/SMAD4 complex, activates transcription. May act as a tumor suppressor in colorectal carcinoma.
Subcellular Location:
Cytoplasm
Nucleus
Cytoplasmic and nuclear in the absence of TGF-beta. On TGF-beta stimulation, migrates to the nucleus when complexed with SMAD4. On dephosphorylation by phosphatase PPM1A, released from the SMAD2/SMAD4 complex, and exported out of the nucleus by interaction with RANBP1.
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM LONG);VARIANT 344-GLU--GLN-358 DEL
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM LONG);PHOSPHORYLATION BY TGFBR1;VARIANTS CYS-133; ARG-440; HIS-445 AND GLU-450
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Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] (ISOFORMS LONG AND SHORT)
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM LONG)
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Cited for: PROTEIN SEQUENCE OF 2-14 AND 170-182;CLEAVAGE OF INITIATOR METHIONINE;ACETYLATION AT SER-2;IDENTIFICATION BY MASS SPECTROMETRY
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Cited for: INTERACTION WITH TGFBR1;PHOSPHORYLATION AT SER-464; SER-465 AND SER-467;MUTAGENESIS OF SER-464; SER-465 AND SER-467
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Cited for: PHOSPHORYLATION AT SER-465 AND SER-467 BY TGFBR1
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Cited for: INTERACTION WITH SMURF2;MUTAGENESIS OF 221-PRO--TYR-225
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Cited for: PHOSPHORYLATION AT THR-8; THR-220; SER-245; SER-250 AND SER-255
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Cited for: INTERACTION WITH PPM1A;DEPHOSPHORYLATION;FUNCTION;SUBCELLULAR LOCATION;MUTAGENESIS OF VAL-398; SER-465 AND SER-467
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Cited for: IDENTIFICATION IN A COMPLEX WITH SMAD3 AND TRIM33;INTERACTION WITH TRIM33
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Cited for: ACETYLATION AT LYS-19;MUTAGENESIS OF LYS-19 AND LYS-20
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Cited for: FUNCTION;PHOSPHORYLATION BY PDPK1;INTERACTION WITH PDPK1
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-8;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-458;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT SER-2;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: INTERACTION WITH RANBP3;SUBCELLULAR LOCATION;FUNCTION;MUTAGENESIS OF 465-SER--SER-467
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT SER-2;PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-8; SER-458 AND SER-460;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: INTERACTION WITH ZNF580;SUBCELLULAR LOCATION;TISSUE SPECIFICITY
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Cited for: UBIQUITINATION;DEUBIQUITINATION BY USP15;DNA-BINDING;INTERACTION WITH USP15
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT SER-2;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT SER-2;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: X-RAY CRYSTALLOGRAPHY (2.2 ANGSTROMS) OF 261-456 IN COMPLEX WITH ZFYVE9;INTERACTION WITH SARA;MUTAGENESIS OF ASN-381
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Cited for: X-RAY CRYSTALLOGRAPHY (2.6 ANGSTROMS) OF 270-466 IN COMPLEX WITH SMAD4;SUBUNIT