4U1F

Crystal structure of middle domain of eukaryotic translation initiation factor eIF3b

External Resource: Annotation

Domain Annotation: ECOD Classification
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)
A	PF08662	e4u1fA1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 9-bladed	F: PF08662	ECOD (1.6)
B	PF08662	e4u1fB1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 9-bladed	F: PF08662	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF08662	Eukaryotic translation initiation factor eIF2A (eIF2A)	Eukaryotic translation initiation factor eIF2A	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Eukaryotic translation initiation factor 3 subunit B	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 protein binding translation initiation factor binding RNA binding identical protein 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 cytoplasmic translation cytoplasmic translational initiation 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	intracellular anatomical structure cytoplasmic ribonucleoprotein granule cellular anatomical entity ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle cytoplasmic stress granule protein-containing complex translation preinitiation complex eukaryotic 43S preinitiation complex intracellular anatomical structure cytoplasmic ribonucleoprotein granule cellular anatomical entity ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle cytoplasmic stress granule protein-containing complex translation preinitiation complex eukaryotic 43S preinitiation complex ribonucleoprotein complex multi-eIF complex eukaryotic translation initiation factor 3 complex eukaryotic 48S preinitiation complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR013979	Translation initiation factor, beta propellor-like domain	Domain
A, B	IPR034363	eIF3B, RNA recognition motif	Domain
A, B	IPR000504	RNA recognition motif domain	Domain
A, B	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
A, B	IPR011400	Eukaryotic translation initiation factor 3 subunit B	Family
A, B	IPR035979	RNA-binding domain superfamily	Homologous Superfamily
A, B	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily

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.