Annotations: 1RZ4

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1rz4a1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	C-terminal part of PCI (proteasome COP9/signalosome eIF3) domains (PINT motif)	Eukaryotic translation initiation factor 3 subunit 12, eIF3k, C-terminal domain	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1rz4a2	All alpha proteins	alpha-alpha superhelix	TPR-like	TPR-like repeats from PCI (proteasome / COP9 signalosome / eIF3) domains	Eukaryotic translation initiation factor 3 subunit 12, eIF3k, N-terminal domain	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	eIF3k-like	8002863	4000167	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Winged helix DNA-binding domain	8002864	3000034	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ARM repeat-like	8002866	3000116	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	CSN8_PSD8_EIF3K_C	e1rz4A1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: CSN8_PSD8_EIF3K_C	ECOD (1.6)
A	SAC3_GANP_1st	e1rz4A2	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: SAC3_GANP_1st	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.40.250	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	ARM repeat	CATH (4.3.0)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF10075	CSN8/PSMD8/EIF3K family (CSN8_PSD8_EIF3K)	CSN8/PSMD8/EIF3K family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Eukaryotic translation initiation factor 3 subunit 11	translation regulator activity binding organic cyclic compound binding translation regulator activity, nucleic acid binding nucleic acid binding translation initiation factor activity translation factor activity, RNA binding ribonucleoprotein complex binding protein-containing complex binding ribosome binding RNA binding	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process regulation of cellular process regulation of primary metabolic process post-transcriptional regulation of gene expression regulation of biosynthetic process regulation of biological process regulation of translational initiation regulation of protein metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process regulation of metabolic process ribonucleoprotein complex biogenesis protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis protein-containing complex organization formation of cytoplasmic translation initiation complex cytoplasmic translation cytoplasmic translational initiation	protein-containing complex translation preinitiation complex intracellular anatomical structure eukaryotic 43S preinitiation complex ribonucleoprotein complex cytoplasm cellular anatomical entity membrane eukaryotic translation initiation factor 3 complex cytosol eukaryotic 48S preinitiation complex membrane-bounded organelle intracellular organelle organelle protein-containing complex translation preinitiation complex intracellular anatomical structure eukaryotic 43S preinitiation complex ribonucleoprotein complex cytoplasm cellular anatomical entity membrane eukaryotic translation initiation factor 3 complex cytosol eukaryotic 48S preinitiation complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A	IPR033464	CSN8/PSMD8/EIF3K	Domain
A	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A	IPR016020	Translation initiation factor 3, subunit 12, N-terminal, eukaryotic	Homologous Superfamily
A	IPR000717	Proteasome component (PCI) domain	Domain
A	IPR009374	Eukaryotic translation initiation factor 3 subunit K	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9UBQ5	atypical teratoid rhabdoid tumor large cell medulloblastoma osteosarcoma plasma cell myeloma diabetes mellitus malignant glioma ovarian cancer psoriasis glioblastoma malignant mesothelioma Pick disease

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.