4U1D | pdb_00004u1d

Structure of the PCI domain of translation initiation factor eIF3a

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 [auth C]	PCI_3	e4u1dC2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PCI_3	ECOD (1.6)
A [auth C]	KOG2072	e4u1dC1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: KOG2072	ECOD (1.6)
B	PCI_3	e4u1dB2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PCI_3	ECOD (1.6)
B	KOG2072	e4u1dB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: KOG2072	ECOD (1.6)
C [auth A]	PCI_3	e4u1dA2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PCI_3	ECOD (1.6)
C [auth A]	KOG2072	e4u1dA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: KOG2072	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C], B, C [auth A]	PF22591	eIF3a, PCI domain, TPR-like region (eIF3a_PCI_TPR-like)	eIF3a, PCI domain, TPR-like region	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C], B, C [auth A]	Eukaryotic translation initiation factor 3 subunit A	translation factor activity translation initiation factor activity RNA binding binding nucleic acid binding mRNA binding	biosynthetic process translational initiation metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression macromolecule biosynthetic process translation reinitiation cytoplasmic translation cytoplasmic translational initiation ribonucleoprotein complex biogenesis biosynthetic process translational initiation metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression macromolecule biosynthetic process translation reinitiation cytoplasmic translation cytoplasmic translational initiation ribonucleoprotein complex biogenesis protein-containing complex organization formation of cytoplasmic translation initiation complex 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	intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm supramolecular complex cytoplasmic stress granule protein-containing complex eukaryotic 43S preinitiation complex ribonucleoprotein complex intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm supramolecular complex cytoplasmic stress granule protein-containing complex eukaryotic 43S preinitiation complex ribonucleoprotein complex cytosolic translation preinitiation complex incipient cellular bud site site of polarized growth multi-eIF complex eukaryotic translation initiation factor 3 complex eukaryotic 48S preinitiation complex eukaryotic translation initiation factor 3 complex, eIF3e eukaryotic translation initiation factor 3 complex, eIF3m

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B, C [auth A]	IPR027512	Eukaryotic translation initiation factor 3 subunit A	Family
A [auth C], B, C [auth A]	IPR000717	Proteasome component (PCI) domain	Domain
A [auth C], B, C [auth A]	IPR054711	eIF3a, PCI domain, TPR-like region	Domain

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.