3DDT

Crystal structure of the B2 box from MuRF1 in dimeric state

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d3ddtc_	Small proteins	B-box zinc-binding domain	B-box zinc-binding domain	B-box zinc-binding domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d3ddta1	Small proteins	B-box zinc-binding domain	B-box zinc-binding domain	B-box zinc-binding domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d3ddta2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d3ddtb1	Small proteins	B-box zinc-binding domain	B-box zinc-binding domain	B-box zinc-binding domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d3ddtb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	zf-B_box	e3ddtC1	A: few secondary structure elements	X: B-box zinc-binding domain-like	H: B-box zinc-binding domain (From Topology)	T: B-box zinc-binding domain	F: zf-B_box	ECOD (1.6)
A	zf-B_box	e3ddtA1	A: few secondary structure elements	X: B-box zinc-binding domain-like	H: B-box zinc-binding domain (From Topology)	T: B-box zinc-binding domain	F: zf-B_box	ECOD (1.6)
B	zf-B_box	e3ddtB1	A: few secondary structure elements	X: B-box zinc-binding domain-like	H: B-box zinc-binding domain (From Topology)	T: B-box zinc-binding domain	F: zf-B_box	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.30.160.60	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain	Classic Zinc Finger	CATH (4.3.0)
A	3.30.160.60	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain	Classic Zinc Finger	CATH (4.3.0)
B	3.30.160.60	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain	Classic Zinc Finger	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00643	B-box zinc finger (zf-B_box)	B-box zinc finger	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	E3 ubiquitin-protein ligase TRIM63	cytoskeletal protein binding titin binding protein binding binding aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity transferase activity catalytic activity ubiquitin-protein transferase activity cation binding cytoskeletal protein binding titin binding protein binding binding aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity transferase activity catalytic activity ubiquitin-protein transferase activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	multicellular organismal process muscle atrophy system process striated muscle adaptation skeletal muscle atrophy muscle adaptation response to stimulus skeletal muscle adaptation muscle system process striated muscle atrophy pyridine nucleotide catabolic process oxoacid metabolic process carbohydrate catabolic process organophosphate catabolic process multicellular organismal process muscle atrophy system process striated muscle adaptation skeletal muscle atrophy muscle adaptation response to stimulus skeletal muscle adaptation muscle system process striated muscle atrophy pyridine nucleotide catabolic process oxoacid metabolic process carbohydrate catabolic process organophosphate catabolic process carbohydrate derivative metabolic process regulation of generation of precursor metabolites and energy nucleoside phosphate catabolic process organic acid metabolic process regulation of primary metabolic process regulation of ATP metabolic process regulation of purine nucleotide catabolic process negative regulation of nucleotide metabolic process regulation of small molecule metabolic process regulation of nucleotide metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process small molecule metabolic process purine ribonucleotide catabolic process negative regulation of carbohydrate metabolic process nucleoside phosphate metabolic process organonitrogen compound catabolic process pyruvate metabolic process cellular metabolic process negative regulation of metabolic process negative regulation of purine nucleotide catabolic process purine nucleoside diphosphate metabolic process primary metabolic process purine-containing compound catabolic process regulation of purine nucleotide metabolic process nucleobase-containing compound catabolic process nucleoside diphosphate metabolic process metabolic process regulation of phosphorus metabolic process monocarboxylic acid metabolic process pyridine-containing compound catabolic process ribose phosphate metabolic process ATP metabolic process negative regulation of purine nucleotide metabolic process negative regulation of phosphate metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process negative regulation of nucleotide catabolic process purine nucleotide catabolic process carbohydrate derivative catabolic process purine-containing compound metabolic process ADP metabolic process negative regulation of phosphorus metabolic process purine ribonucleoside diphosphate metabolic process cellular process purine ribonucleoside diphosphate catabolic process ribonucleotide catabolic process regulation of cellular process negative regulation of small molecule metabolic process negative regulation of glycolytic process negative regulation of biological process negative regulation of ATP metabolic process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process glycolytic process pyridine-containing compound metabolic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process phosphorus metabolic process pyridine nucleotide metabolic process nicotinamide nucleotide metabolic process regulation of carbohydrate catabolic process regulation of biological process regulation of cellular metabolic process nucleotide metabolic process purine nucleoside diphosphate catabolic process nucleoside diphosphate catabolic process regulation of nucleotide catabolic process nucleoside triphosphate metabolic process purine ribonucleotide metabolic process regulation of metabolic process catabolic process purine nucleotide metabolic process ribonucleotide metabolic process negative regulation of cellular process ribonucleoside diphosphate metabolic process ribonucleoside diphosphate catabolic process regulation of carbohydrate metabolic process nucleotide catabolic process ribonucleoside triphosphate metabolic process negative regulation of catabolic process purine nucleoside triphosphate metabolic process carbohydrate metabolic process organonitrogen compound metabolic process biological regulation ADP catabolic process carboxylic acid metabolic process regulation of catabolic process generation of precursor metabolites and energy regulation of glycolytic process organophosphate metabolic process response to peptide response to chemical response to cytokine response to interleukin-1 protein ubiquitination macromolecule modification protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal cellular response to stimulus signaling signal transduction cell communication response to corticosteroid response to lipid response to hormone response to steroid hormone response to endogenous stimulus response to glucocorticoid response to organic cyclic compound muscle contraction muscle hypertrophy regulation of muscle adaptation negative regulation of muscle hypertrophy regulation of system process striated muscle hypertrophy regulation of muscle system process regulation of muscle hypertrophy regulation of cardiac muscle hypertrophy regulation of response to stimulus cardiac muscle hypertrophy regulation of multicellular organismal process negative regulation of multicellular organismal process negative regulation of cardiac muscle hypertrophy response to electrical stimulus response to electrical stimulus involved in regulation of muscle adaptation response to stimulus involved in regulation of muscle adaptation response to abiotic stimulus	M band intracellular anatomical structure cellular anatomical entity sarcomere intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex M band intracellular anatomical structure cellular anatomical entity sarcomere intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle Z disc I band polymeric cytoskeletal fiber cytoskeleton microtubule microtubule cytoskeleton membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR017903	COS domain	Domain
A, B, C	IPR017907	Zinc finger, RING-type, conserved site	Conserved Site
A, B, C	IPR000315	B-box-type zinc finger	Domain
A, B, C	IPR042667	E3 ubiquitin-protein ligase TRIM63, RING finger, HC subclass	Domain
A, B, C	IPR027370	Zinc finger, RING-type, eukaryotic	Domain
A, B, C	IPR013083	Zinc finger, RING/FYVE/PHD-type	Homologous Superfamily
A, B, C	IPR050143	Tripartite motif-containing	Family
A, B, C	IPR001841	Zinc finger, RING-type	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C	Pharos: Q969Q1	muscular atrophy cardiomyopathy Cardiomegaly diabetes mellitus hypertrophic cardiomyopathy lung adenocarcinoma myopathy

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.