Annotations: 5NKK

SMG8-SMG9 complex GDP bound

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	YadA_head	e5nkkD1	A: beta barrels	X: HAD domain-like	H: Rubredoxin-related	T: Rubredoxin-related	F: YadA_head	ECOD (v294.2)
B	YadA_head	e5nkkB1	A: beta barrels	X: HAD domain-like	H: Rubredoxin-related	T: Rubredoxin-related	F: YadA_head	ECOD (v294.2)
E	B12-binding	e5nkkE1	A: beta barrels	X: HAD domain-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: B12-binding	ECOD (v294.2)
C	B12-binding	e5nkkC1	A: beta barrels	X: HAD domain-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: B12-binding	ECOD (v294.2)
A	B12-binding	e5nkkA1	A: beta barrels	X: HAD domain-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: B12-binding	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (utative)
D	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (utative)
B	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C, E	PF10220	Smg8_Smg9 (Smg8_Smg9)	Smg8_Smg9	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D, F	Protein smg-9	molecular sequestering activity	regulation of cellular process catabolic process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear-transcribed mRNA catabolic process regulation of biological process regulation of cellular process catabolic process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process	-
A, C, E	Protein smg-8	-	regulation of cellular process catabolic process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear-transcribed mRNA catabolic process regulation of biological process regulation of cellular process catabolic process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process	intracellular anatomical structure intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber supramolecular polymer supramolecular complex striated muscle dense body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D, F	IPR039177	Nonsense-mediated mRNA decay factor SMG9	Family
B, D, F	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, C, E	IPR019354	Nonsense-mediated mRNA decay factor SMG8-like	Family

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.