Annotations: 9QE6

SMAD4 MH2 domain (residues 314-552) bound by Nanobody A1 (NbA1)

External Resource: Annotation

Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	Nanobody A1 (NbA1)	-	-	-
A, C	Mothers against decapentaplegic homolog 4	cytoskeletal protein binding protein binding binding filamin binding SMAD binding R-SMAD binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding sulfate binding cytoskeletal protein binding protein binding binding filamin binding SMAD binding R-SMAD binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding sulfate binding ion binding anion binding sulfur compound binding small molecule binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity I-SMAD binding DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity identical protein binding transcription factor binding transcription coregulator binding transcription corepressor binding RNA polymerase II-specific DNA-binding transcription factor binding DNA-binding transcription factor binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding RNA polymerase II cis-regulatory region sequence-specific DNA binding chromatin binding collagen binding protein-containing complex binding protein homodimerization activity protein dimerization activity transcription coactivator binding	intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis cellular response to stimulus positive regulation of cell communication cell surface receptor protein serine/threonine kinase signaling pathway regulation of cellular process intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis cellular response to stimulus positive regulation of cell communication cell surface receptor protein serine/threonine kinase signaling pathway regulation of cellular process positive regulation of signal transduction response to stimulus signaling regulation of transmembrane receptor protein serine/threonine kinase signaling pathway positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction enzyme-linked receptor protein signaling pathway positive regulation of cellular process regulation of biological process regulation of signaling cell surface receptor signaling pathway biological regulation positive regulation of intracellular signal transduction positive regulation of transmembrane receptor protein serine/threonine kinase signaling pathway SMAD protein signal transduction regulation of response to stimulus regulation of cell communication cellular process regulation of SMAD protein signal transduction positive regulation of SMAD protein signal transduction positive regulation of signaling developmental process heart development multicellular organismal process cardiac chamber morphogenesis animal organ development heart morphogenesis ventricular septum development circulatory system development multicellular organism development anatomical structure morphogenesis cardiac septum development cardiac septum morphogenesis ventricular septum morphogenesis cardiac chamber development anatomical structure development animal organ morphogenesis cardiac ventricle development animal gross anatomical part developmental process system development atrioventricular canal development regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process metabolic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process negative regulation of signaling regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway negative regulation of biological process negative regulation of cell communication negative regulation of Wnt signaling pathway negative regulation of cellular process Wnt signaling pathway regulation of Wnt signaling pathway negative regulation of response to stimulus negative regulation of signal transduction negative regulation of canonical Wnt signaling pathway regulation of growth regulation of cellular component organization growth negative regulation of cell growth regulation of cell growth cell growth cellular component organization negative regulation of growth cellular component organization or biogenesis mesenchyme morphogenesis nephrogenic mesenchyme development mesenchyme development tissue development renal system development kidney mesenchyme development tissue morphogenesis nephrogenic mesenchyme morphogenesis nephron development kidney mesenchyme morphogenesis kidney development cell death extrinsic apoptotic signaling pathway apoptotic signaling pathway apoptotic process programmed cell death negative regulation of intracellular signal transduction regulation of MAPK cascade negative regulation of ERK1 and ERK2 cascade MAPK cascade ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade negative regulation of MAPK cascade RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process positive regulation of DNA-templated transcription positive regulation of miRNA transcription positive regulation of miRNA metabolic process regulation of primary metabolic process regulation of RNA metabolic process miRNA transcription regulation of miRNA metabolic process regulation of nucleobase-containing compound metabolic process miRNA metabolic process regulation of RNA biosynthetic process positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process regulation of DNA-templated transcription regulation of miRNA transcription outflow tract septum morphogenesis outflow tract morphogenesis gonad development reproductive system development reproductive process female gonad development sex differentiation female sex differentiation development of primary female sexual characteristics developmental process involved in reproduction development of primary sexual characteristics reproductive structure development ovarian follicle development secondary palate development roof of mouth development cellular developmental process epithelial to mesenchymal transition cell differentiation mesenchymal cell differentiation response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels response to abiotic stimulus regulation of transforming growth factor beta production regulation of transforming growth factor beta2 production transforming growth factor beta2 production cytokine production regulation of cytokine production regulation of multicellular organismal process transforming growth factor beta production catabolic process macromolecule catabolic process negative regulation of protein catabolic process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of catabolic process regulation of protein metabolic process negative regulation of metabolic process protein catabolic process regulation of catabolic process regulation of protein catabolic process muscle hypertrophy regulation of muscle adaptation system process negative regulation of muscle hypertrophy regulation of system process striated muscle hypertrophy regulation of muscle system process muscle system process regulation of muscle hypertrophy regulation of cardiac muscle hypertrophy muscle adaptation cardiac muscle hypertrophy negative regulation of multicellular organismal process negative regulation of cardiac muscle hypertrophy negative regulation of RNA biosynthetic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA metabolic process endocardial cushion morphogenesis endocardial cushion development cardiac epithelial to mesenchymal transition epithelial to mesenchymal transition involved in endocardial cushion formation endocardial cushion formation anatomical structure formation involved in morphogenesis positive regulation of transcription by RNA polymerase II cellular response to growth factor stimulus cellular response to transforming growth factor beta stimulus response to endogenous stimulus cellular response to endogenous stimulus response to transforming growth factor beta transforming growth factor beta receptor signaling pathway response to growth factor transforming growth factor beta receptor superfamily signaling pathway neuron fate commitment nervous system development cell fate specification generation of neurons neurogenesis neuron differentiation neuron fate specification cell fate commitment ossification osteoblast differentiation negative regulation of cardiac myofibril assembly negative regulation of muscle cell differentiation regulation of cell differentiation regulation of cardiac muscle cell differentiation muscle cell differentiation regulation of cell development muscle structure development cellular component biogenesis cellular component assembly cellular anatomical entity morphogenesis negative regulation of cardiac muscle cell differentiation actin filament-based process negative regulation of supramolecular fiber organization muscle tissue development cardiac cell development regulation of cardiac myofibril assembly negative regulation of cardiocyte differentiation negative regulation of cellular component organization actomyosin structure organization negative regulation of striated muscle cell differentiation regulation of organelle organization myofibril assembly regulation of muscle cell differentiation regulation of organelle assembly regulation of supramolecular fiber organization regulation of cardiocyte differentiation striated muscle cell differentiation supramolecular fiber organization regulation of cytoskeleton organization regulation of actin filament-based process regulation of developmental process cardiac muscle cell development cellular component assembly involved in morphogenesis negative regulation of organelle assembly cell development membraneless organelle assembly regulation of striated muscle cell differentiation striated muscle tissue development striated muscle cell development muscle cell development negative regulation of cell differentiation organelle assembly actin cytoskeleton organization negative regulation of cytoskeleton organization cardiac muscle tissue development negative regulation of developmental process cardiac muscle cell differentiation regulation of cellular component biogenesis cardiocyte differentiation organelle organization negative regulation of organelle organization cardiac myofibril assembly regulation of actomyosin structure organization regulation of actin cytoskeleton organization cytoskeleton organization cellular response to BMP stimulus response to BMP BMP signaling pathway epithelium migration tissue migration ameboidal-type cell migration epithelial cell migration cell migration cell motility regulation of transforming growth factor beta receptor signaling pathway regulation of cellular response to transforming growth factor beta stimulus positive regulation of transforming growth factor beta receptor signaling pathway regulation of cellular response to growth factor stimulus positive regulation of cellular response to transforming growth factor beta stimulus regulation of epithelial to mesenchymal transition positive regulation of epithelial to mesenchymal transition positive regulation of developmental process positive regulation of cell differentiation positive regulation of multicellular organismal process response to oxygen-containing compound cellular response to glucose stimulus intracellular glucose homeostasis cellular response to oxygen-containing compound response to hexose cellular response to carbohydrate stimulus cellular response to chemical stimulus response to monosaccharide response to carbohydrate response to glucose response to chemical glucose homeostasis carbohydrate homeostasis cellular response to hexose stimulus cellular response to monosaccharide stimulus positive regulation of cellular component organization positive regulation of cellular component biogenesis positive regulation of extracellular matrix organization extracellular matrix organization regulation of extracellular matrix assembly positive regulation of extracellular matrix assembly regulation of extracellular matrix organization extracellular matrix assembly extracellular structure organization external encapsulating structure organization ventricular cardiac muscle tissue morphogenesis left ventricular cardiac muscle tissue morphogenesis ventricular cardiac muscle tissue development muscle organ development muscle tissue morphogenesis cardiac ventricle morphogenesis cardiac muscle tissue morphogenesis cardiac left ventricle morphogenesis muscle organ morphogenesis activin receptor signaling pathway positive regulation of cardiac muscle cell apoptotic process positive regulation of programmed cell death muscle cell apoptotic process positive regulation of striated muscle cell apoptotic process regulation of apoptotic process regulation of cardiac muscle cell apoptotic process regulation of muscle cell apoptotic process regulation of programmed cell death positive regulation of apoptotic process cardiac muscle cell apoptotic process positive regulation of muscle cell apoptotic process regulation of striated muscle cell apoptotic process striated muscle cell apoptotic process metanephric mesenchyme development metanephros development metanephric mesenchyme morphogenesis cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation positive regulation of cell proliferation involved in heart morphogenesis cell proliferation involved in heart morphogenesis regulation of cell proliferation involved in heart morphogenesis interleukin-6-mediated signaling pathway response to interleukin-6 cellular response to interleukin-6 response to cytokine cytokine-mediated signaling pathway response to peptide cellular response to cytokine stimulus adrenal gland development endocrine system development gland development cardiac conduction system development atrioventricular valve development heart valve development atrioventricular valve formation heart valve morphogenesis heart valve formation atrioventricular valve morphogenesis epithelium development endothelial cell differentiation endothelium development cardiac endothelial cell differentiation endocardium development epithelial cell differentiation endocardial cell differentiation limb development appendage development embryonic limb morphogenesis embryonic morphogenesis embryonic appendage morphogenesis embryo development appendage morphogenesis embryonic digit morphogenesis limb morphogenesis striated muscle adaptation cardiac muscle adaptation cardiac muscle hypertrophy in response to stress muscle hypertrophy in response to stress endothelial cell activation cell activation	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex transcription regulator complex RNA polymerase II transcription regulator complex membrane-bounded organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle activin responsive factor complex intracellular organelle organelle cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex transcription regulator complex RNA polymerase II transcription regulator complex membrane-bounded organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle activin responsive factor complex intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome heteromeric SMAD protein complex SMAD protein complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR001132	SMAD domain	Domain
A, C	IPR036578	SMAD MH1 domain superfamily	Homologous Superfamily
A, C	IPR013790	SMAD/Dwarfins	Family
A, C	IPR017855	SMAD-like domain superfamily	Homologous Superfamily
A, C	IPR013019	MAD homology, MH1	Domain
A, C	IPR003619	MAD homology 1, Dwarfin-type	Domain
A, C	IPR008984	SMAD/FHA domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, C	: Q13485	hereditary hemorrhagic telangiectasia myopathy cholangiocarcinoma juvenile polyposis/hereditary hemorrhagic telangiectasia syndrome Myhre syndrome esophageal adenocarcinoma familial pancreatic carcinoma colorectal cancer generalized juvenile polyposis/juvenile polyposis coli brachydactyly juvenile polyposis syndrome Craniofacial Abnormalities exocrine pancreatic carcinoma gastric cancer intrahepatic cholangiocarcinoma hereditary hemorrhagic telangiectasia myopathy cholangiocarcinoma juvenile polyposis/hereditary hemorrhagic telangiectasia syndrome Myhre syndrome esophageal adenocarcinoma familial pancreatic carcinoma colorectal cancer generalized juvenile polyposis/juvenile polyposis coli brachydactyly juvenile polyposis syndrome Craniofacial Abnormalities exocrine pancreatic carcinoma gastric cancer intrahepatic cholangiocarcinoma cancer invasive ductal breast carcinoma malignant pancreatic neoplasm muscle tissue disease ovarian cancer pulmonary arterial hypertension allergic rhinitis hereditary diffuse gastric adenocarcinoma subependymal giant cell astrocytoma benign neoplasm of pancreas intellectual disability breast disease digestive system disease muscular disease oligodendroglioma pancreatic neoplasm arthrogryposis thoracic aortic aneurysm large cell medulloblastoma colorectal carcinoma malignant ependymoma medulloblastoma Ehlers-Danlos syndrome osteosarcoma gastric neoplasm small intestine neoplasm atrial fibrillation bile duct cancer idiopathic pulmonary arterial hypertension breast cancer cerebrovascular disorder colorectal adenocarcinoma malignant glioma