Annotations: 5CTQ

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF05843	e5ctqA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF05843	ECOD (1.6)
B	PF05843	e5ctqB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF05843	ECOD (1.6)
C	PF05843	e5ctqC1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF05843	ECOD (1.6)
D	PF05843	e5ctqD1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF05843	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Squamous cell carcinoma antigen recognized by T-cells 3	protein binding binding histone binding RNA binding U6 snRNA binding snRNA binding organic cyclic compound binding nucleic acid binding U4 snRNA binding ubiquitin-specific protease binding enzyme binding protease binding U6atac snRNA binding	developmental process stem cell proliferation cell population proliferation cellular developmental process hemopoiesis cell differentiation anatomical structure development hematopoietic stem cell proliferation cell development cellular process multicellular organismal process multicellular organismal-level homeostasis homeostatic process homeostasis of number of cells developmental process stem cell proliferation cell population proliferation cellular developmental process hemopoiesis cell differentiation anatomical structure development hematopoietic stem cell proliferation cell development cellular process multicellular organismal process multicellular organismal-level homeostasis homeostatic process homeostasis of number of cells regulation of biosynthetic process regulation of biological process regulation of cellular process cellular biosynthetic process cellular metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression organic substance metabolic process biosynthetic process organic substance biosynthetic process regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing spliceosomal tri-snRNP complex assembly protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization spliceosomal snRNP assembly primary metabolic process mRNA metabolic process nucleic acid metabolic process organic cyclic compound metabolic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile protein-DNA complex assembly protein-DNA complex organization chromatin organization chromatin remodeling nucleosome assembly nucleosome organization anatomical structure morphogenesis cell morphogenesis transcription elongation by RNA polymerase II RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process transcription by RNA polymerase II transcription elongation-coupled chromatin remodeling nucleobase-containing compound biosynthetic process DNA-templated transcription elongation organic cyclic compound biosynthetic process	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen cytoplasm Cajal body ASAP complex protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
A, B, C, D	IPR008669	LSM-interacting domain	Domain
A, B, C, D	IPR034218	SART3, RNA recognition motif 2	Domain
A, B, C, D	IPR034217	SART3, RNA recognition motif 1	Domain
A, B, C, D	IPR000504	RNA recognition motif domain	Domain
A, B, C, D	IPR003107	HAT (Half-A-TPR) repeat	Repeat
A, B, C, D	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
A, B, C, D	IPR035979	RNA-binding domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: Q15020	acute myeloid leukemia dermatomyositis large cell medulloblastoma malignant glioma osteosarcoma tuberculosis adrenal cortex carcinoma diabetes mellitus lung adenocarcinoma malignant mesothelioma ovarian cancer astrocytic tumor juvenile dermatomyositis lung cancer medulloblastoma acute myeloid leukemia dermatomyositis large cell medulloblastoma malignant glioma osteosarcoma tuberculosis adrenal cortex carcinoma diabetes mellitus lung adenocarcinoma malignant mesothelioma ovarian cancer astrocytic tumor juvenile dermatomyositis lung cancer medulloblastoma primary cutaneous T-cell non-Hodgkin lymphoma

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.