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Gene Symbol |
SMAD4 |
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Aliases |
DPC4, JIP, MADH4, MYHRS |
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Entrez Gene ID |
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Gene Name |
SMAD family member 4 |
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Chromosomal Location |
18q21.2 |
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HGNC ID |
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Summary |
This gene encodes a member of the Smad family of signal transduction proteins. Smad proteins are phosphorylated and activated by transmembrane serine-threonine receptor kinases in response to transforming growth factor (TGF)-beta signaling. The product of this gene forms homomeric complexes and heteromeric complexes with other activated Smad proteins, which then accumulate in the nucleus and regulate the transcription of target genes. This protein binds to DNA and recognizes an 8-bp palindromic sequence (GTCTAGAC) called the Smad-binding element (SBE). The protein acts as a tumor suppressor and inhibits epithelial cell proliferation. It may also have an inhibitory effect on tumors by reducing angiogenesis and increasng blood vessel hyperpermeability. The encoded protein is a crucial component of the bone morphogenetic protein signaling pathway. The Smad proteins are subject to complex regulation by post-translational modifications. Mutations or deletions in this gene have been shown to result in pancreatic cancer, juvenile polyposis syndrome, and hereditary hemorrhagic telangiectasia syndrome. [provided by RefSeq, Aug 2017]
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RefSeq DNA |
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RefSeq mRNA |
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e!Ensembl
Gene |
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Transcript |
ENST00000588860, ENST00000398417, ENST00000589076, ENST00000590061, ENST00000342988, ENST00000592911, ENST00000589941, ENST00000588745, ENST00000592186, ENST00000589706, ENST00000585448, ENST00000591126, ENST00000611848, ENST00000590499, ENST00000593223, ENST00000586253 |
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Protein |
ENSP00000465878, ENSP00000381452, ENSP00000466934, ENSP00000464772, ENSP00000341551, , ENSP00000465874, ENSP00000464901, ENSP00000468611, ENSP00000478613, ENSP00000466118
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SNPs
SNP |
SNP ID |
Associated disease |
References |
Ile500Val |
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Precocious puberty |
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Gene Ontology (GO)
GO ID |
Ontology |
Function |
Evidence |
Reference |
GO:0000122 |
Biological process |
Negative regulation of transcription by RNA polymerase II |
IBA |
21873635 |
GO:0001666 |
Biological process |
Response to hypoxia |
IMP |
12411310 |
GO:0007179 |
Biological process |
Transforming growth factor beta receptor signaling pathway |
IBA |
21873635 |
GO:0007179 |
Biological process |
Transforming growth factor beta receptor signaling pathway |
IDA |
9389648, 9732876 |
GO:0007179 |
Biological process |
Transforming growth factor beta receptor signaling pathway |
IMP |
25514493 |
GO:0007183 |
Biological process |
SMAD protein complex assembly |
IDA |
10823886 |
GO:0009653 |
Biological process |
Anatomical structure morphogenesis |
IBA |
21873635 |
GO:0017015 |
Biological process |
Regulation of transforming growth factor beta receptor signaling pathway |
IMP |
8774881 |
GO:0030154 |
Biological process |
Cell differentiation |
IBA |
21873635 |
GO:0030308 |
Biological process |
Negative regulation of cell growth |
IDA |
8774881 |
GO:0030509 |
Biological process |
BMP signaling pathway |
IBA |
21873635 |
GO:0030509 |
Biological process |
BMP signaling pathway |
IDA |
9389648 |
GO:0030511 |
Biological process |
Positive regulation of transforming growth factor beta receptor signaling pathway |
IDA |
19328798 |
GO:0030513 |
Biological process |
Positive regulation of BMP signaling pathway |
IMP |
19366699 |
GO:0032909 |
Biological process |
Regulation of transforming growth factor beta2 production |
IMP |
12411310 |
GO:0035556 |
Biological process |
Intracellular signal transduction |
IMP |
22316667 |
GO:0045892 |
Biological process |
Negative regulation of transcription, DNA-templated |
IDA |
8774881 |
GO:0045893 |
Biological process |
Positive regulation of transcription, DNA-templated |
IDA |
8774881, 9311995, 9389648, 9707553, 9732876 |
GO:0045944 |
Biological process |
Positive regulation of transcription by RNA polymerase II |
IBA |
21873635 |
GO:0045944 |
Biological process |
Positive regulation of transcription by RNA polymerase II |
IDA |
9389648, 18832382 |
GO:0060395 |
Biological process |
SMAD protein signal transduction |
IBA |
21873635 |
GO:0060395 |
Biological process |
SMAD protein signal transduction |
IDA |
9707553, 9732876 |
GO:0071559 |
Biological process |
Response to transforming growth factor beta |
IDA |
9707553 |
GO:0071773 |
Biological process |
Cellular response to BMP stimulus |
NAS |
14687659 |
GO:1901522 |
Biological process |
Positive regulation of transcription from RNA polymerase II promoter involved in cellular response to chemical stimulus |
TAS |
14687659 |
GO:0000790 |
Cellular component |
Nuclear chromatin |
IDA |
21828274 |
GO:0005634 |
Cellular component |
Nucleus |
IDA |
9311995, 9389648, 12161428, 16007207 |
GO:0005667 |
Cellular component |
Transcription factor complex |
IDA |
17438144 |
GO:0005667 |
Cellular component |
Transcription factor complex |
IPI |
12374795 |
GO:0005737 |
Cellular component |
Cytoplasm |
IBA |
21873635 |
GO:0005737 |
Cellular component |
Cytoplasm |
IDA |
9311995, 9389648, 12161428 |
GO:0032444 |
Cellular component |
Activin responsive factor complex |
IDA |
9389648 |
GO:0071141 |
Cellular component |
SMAD protein complex |
IDA |
18832382 |
GO:0071141 |
Cellular component |
SMAD protein complex |
IMP |
10647180 |
GO:0071144 |
Cellular component |
Heteromeric SMAD protein complex |
IBA |
21873635 |
GO:0000976 |
Molecular function |
Transcription regulatory region sequence-specific DNA binding |
IDA |
17438144 |
GO:0000978 |
Molecular function |
RNA polymerase II proximal promoter sequence-specific DNA binding |
IBA |
21873635 |
GO:0000978 |
Molecular function |
RNA polymerase II proximal promoter sequence-specific DNA binding |
IDA |
9389648, 18832382, 31582430 |
GO:0000981 |
Molecular function |
DNA-binding transcription factor activity, RNA polymerase II-specific |
ISM |
19274049 |
GO:0001223 |
Molecular function |
Transcription coactivator binding |
IPI |
16777850 |
GO:0001228 |
Molecular function |
DNA-binding transcription activator activity, RNA polymerase II-specific |
IBA |
21873635 |
GO:0001228 |
Molecular function |
DNA-binding transcription activator activity, RNA polymerase II-specific |
IDA |
9389648, 18832382 |
GO:0003677 |
Molecular function |
DNA binding |
IDA |
9389648 |
GO:0003700 |
Molecular function |
DNA-binding transcription factor activity |
IDA |
10823886, 17438144 |
GO:0005515 |
Molecular function |
Protein binding |
IPI |
9389648, 9436979, 9707553, 11278302, 11779505, 12419246, 14525983, 14612439, 14671321, 15084259, 15231748, 15350224, 15781469, 16189514, 16865698, 17099224, 17183365, 17469184, 18511908, 18568018, 18729074, 18832382, 19032343, 19135894, 20603019, 21297662, 21532621, 21597466, 219888 |
GO:0008134 |
Molecular function |
Transcription factor binding |
IBA |
21873635 |
GO:0031625 |
Molecular function |
Ubiquitin protein ligase binding |
IBA |
21873635 |
GO:0042802 |
Molecular function |
Identical protein binding |
IPI |
9111321, 10647180, 21988832, 25609649 |
GO:0042803 |
Molecular function |
Protein homodimerization activity |
IPI |
8774881 |
GO:0043199 |
Molecular function |
Sulfate binding |
IMP |
10647180 |
GO:0043565 |
Molecular function |
Sequence-specific DNA binding |
IDA |
10823886 |
GO:0070411 |
Molecular function |
I-SMAD binding |
IBA |
21873635 |
GO:0070411 |
Molecular function |
I-SMAD binding |
IPI |
9256479 |
GO:0070412 |
Molecular function |
R-SMAD binding |
IPI |
8774881, 9111321, 9311995, 9732876 |
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Protein Information |
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Protein Name |
Mothers against decapentaplegic homolog 4, MAD homolog 4, SMAD, mothers against DPP homolog 4, deleted in pancreatic carcinoma locus 4, deletion target in pancreatic carcinoma 4, mothers against decapentaplegic, Drosophila, homolog of, 4 |
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Function |
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UniProt |
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PDB |
1DD1, 1G88, 1MR1, 1U7F, 1U7V, 1YGS, 5C4V, 5MEY, 5MEZ, 5MF0, 5UWU |
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