P84022 (SMAD3_HUMAN) Homo sapiens (Human)

Mothers against decapentaplegic homolog 3 UniProtKBInterProSTRINGInteractive Modelling

425 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3; Isoform 4; ) 35 identical sequences

Sequence Features

 64Zinc
 109Zinc
 121Zinc
 126Zinc
 40Required for trimerization
 41Required for interaction with DNA and JUN and for functional cooperation with JUN
 112A -> V (in LDS3; dbSNP:rs387906854) VAR_067051 dbSNP
 170I -> V (in dbSNP:rs35874463) VAR_052021 dbSNP
 239E -> K (in LDS3; dbSNP:rs387906853) VAR_067047 dbSNP
 261T -> I (in LDS3; dbSNP:rs387906851) VAR_065578 dbSNP
 279R -> K (in LDS3; dbSNP:rs387906852) VAR_067048 dbSNP
 287R -> W (in LDS3; dbSNP:rs387906850) VAR_065579 dbSNP
 393P -> L (in a colorectal cancer sample; somatic mutation) VAR_036474
 31-131MAD homology 1, Dwarfin-type
IPR003619PF03165
 231-401SMAD domain, Dwarfin-type
IPR001132PF03166

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
Crystal Structure of the phosphorylated Smad3/Smad4 heterotrimeric complex Heteromer
Q13485;
1u7f228-425
SMAD3 SBD complex Heteromer
O95405;
ACY;1mk2220-416
Crystal structure of human Smad3-FoxH1 complex Heteromer
O75593; P0AA25;
5xoc221-414
Structure of the second domain of human Nedd4L in complex with a phosphorylated pTPY motif derived … Heteromer
Q96PU5;
2lb2178-189
Third WW domain of human Nedd4L in complex with doubly phosphorylated human smad3 derived peptide Heteromer
Q96PU5;
2laj202-211
Crystal structure of Smad3-MH1 bound to DNA at 2.4 A resolutionhomo-2-mer ZN;1ozj7-132
Crystal structure of Smad3-MH1 bound to the GGCGC site.homo-2-mer ZN;5od611-135
Crystal structure of Smad3-MH1 bound to the GGCT site.homo-2-mer ZN;CL;5odg11-135
CRYSTAL STRUCTURE OF A SMAD MH1 DOMAIN BOUND TO DNAhomo-2-mer 1mhd10-132
MH2 domain of transcriptional factor SMAD3monomer 1mjs229-418

Homology models

Oligo-stateLigandsQMEANTemplateRangeSeq id (%)DownloadAssess
homo-3-mer -0.331khx.1.C223-425
92.92

Homology models built on isoform sequence

Isoform #Oligo-stateLigandsQMEANTemplateRangeSeq id (%)ReportDownloadAssess
4homo-3-mer-0.311khx.1.C28-230
92.92
2homo-3-mer-0.331khx.1.C179-381
92.92
3homo-3-mer-0.471khx.1.C118-320
92.92
2homo-2-mer-1.925od6.1.A25-88
100.00
3homo-2-mer-1.535od6.1.A1-27
100.00