4U1C | pdb_00004u1c

Crystal structure of the eIF3a/eIF3c PCI-domain heterodimer

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth C]	SCOP2 Family	Eukaryotic translation initiation factor 3 subunit C (EIF3C), N-terminal domain-like	8047253	4005530	SCOP2 (2022-06-29)
A [auth C]	SCOP2 Family	PCI domain (PINT motif)	8093047	4000147	SCOP2 (2022-06-29)
A [auth C]	SCOP2 Superfamily	TPR-like	8093043	3001345	SCOP2 (2022-06-29)
A [auth C]	SCOP2 Superfamily	Winged helix DNA-binding domain	8093050	3000034	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 [auth C]	PCI	e4u1cC1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Bacterial enterotoxins	T: Bacterial enterotoxins	F: PCI	ECOD (v294.1)
B [auth A]	Usher	e4u1cA1	A: a/b three-layered sandwiches	X: Inserted helical domain in fatty acid synthase subunit beta	H: Voltage-gated ion channels	T: Voltage-gated ion channels	F: Usher	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth A]	4.10.860.10	Few Secondary Structures	Irregular	DNA Excision Repair, Uvrb	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C]	PF01399	PCI domain (PCI)	PCI domain	This domain has also been called the PINT motif (Proteasome, Int-6, Nip-1 and TRIP-15) [1].	Domain
B [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]	Eukaryotic translation initiation factor 3 subunit C	translation factor activity translation initiation factor activity RNA binding binding nucleic acid binding mRNA binding protein binding translation initiation factor binding	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process ribonucleoprotein complex biogenesis protein-RNA complex assembly cellular component organization primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule 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	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 multi-eIF complex eukaryotic translation initiation factor 3 complex eukaryotic 48S preinitiation complex
B [auth A]	Eukaryotic translation initiation factor 3 subunit A	translation factor activity translation initiation factor activity RNA binding binding nucleic acid binding mRNA binding	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process translation reinitiation cytoplasmic translation cytoplasmic translational initiation primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process translation reinitiation 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 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]	IPR008905	Eukaryotic translation initiation factor 3 subunit C, N-terminal domain	Domain
A [auth C]	IPR027516	Eukaryotic translation initiation factor 3 subunit C	Family
A [auth C]	IPR000717	Proteasome component (PCI) domain	Domain
B [auth A]	IPR027512	Eukaryotic translation initiation factor 3 subunit A	Family
B [auth A]	IPR000717	Proteasome component (PCI) domain	Domain
B [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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.