Annotations: 7P3B

Human RNA ligase RTCB in complex with GMP and Co(II)

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Arm, ARM_PUB	e7p3bB1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Arm, ARM_PUB	ECOD (v294.2)
A	Arm, ARM_PUB	e7p3bA1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Arm, ARM_PUB	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01139	tRNA-splicing ligase RtcB (RtcB)	tRNA-splicing ligase RtcB	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	RNA-splicing ligase RtcB homolog	cytoskeletal protein binding protein binding binding vinculin binding ligase activity, forming phosphoric ester bonds RNA ligase (GTP) activity catalytic activity, acting on RNA RNA ligase activity catalytic activity, acting on a nucleic acid catalytic activity ligase activity RNA binding nucleic acid binding guanyl nucleotide binding cytoskeletal protein binding protein binding binding vinculin binding ligase activity, forming phosphoric ester bonds RNA ligase (GTP) activity catalytic activity, acting on RNA RNA ligase activity catalytic activity, acting on a nucleic acid catalytic activity ligase activity RNA binding nucleic acid binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation binding metal ion binding	RNA splicing RNA metabolic process RNA exon ligation primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA exon ligation RNA biosynthetic process nucleobase-containing compound metabolic process tRNA metabolic process tRNA splicing, via endonucleolytic cleavage and ligation nucleic acid biosynthetic process biosynthetic process RNA splicing RNA metabolic process RNA exon ligation primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA exon ligation RNA biosynthetic process nucleobase-containing compound metabolic process tRNA metabolic process tRNA splicing, via endonucleolytic cleavage and ligation nucleic acid biosynthetic process biosynthetic process RNA splicing, via endonucleolytic cleavage and ligation tRNA processing metabolic process cellular process RNA processing macromolecule metabolic process developmental process placenta development animal organ development anatomical structure development mRNA processing mRNA metabolic process mRNA splicing, via endonucleolytic cleavage and ligation cellular response to stimulus regulation of biological process cellular response to topologically incorrect protein regulation of cellular process response to stimulus signaling biological regulation endoplasmic reticulum unfolded protein response cellular response to unfolded protein response to unfolded protein intracellular signal transduction cell communication cellular response to stress response to stress response to topologically incorrect protein IRE1-mediated unfolded protein response signal transduction response to endoplasmic reticulum stress multicellular organism development multicellular organismal process embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development	membrane-bounded organelle intracellular organelle organelle envelope cellular anatomical structure intracellular anatomical structure organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system cytoplasm cytosol protein-containing complex catalytic complex membrane-bounded organelle intracellular organelle organelle envelope cellular anatomical structure intracellular anatomical structure organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system cytoplasm cytosol protein-containing complex catalytic complex tRNA-splicing ligase complex intracellular protein-containing complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen organelle subcompartment membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036025	tRNA-splicing ligase RtcB-like superfamily	Homologous Superfamily
A, B	IPR027513	RNA-splicing ligase RtcB homologue, eukaryotic	Family
A, B	IPR001233	RNA-splicing ligase, RtcB	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	: Q9Y3I0	acute myeloid leukemia lung cancer congestive heart failure pancreatic ductal adenocarcinoma diabetes mellitus primary cutaneous T-cell non-Hodgkin lymphoma

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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.