Annotations: 1UG3

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ug3a1	All alpha proteins	alpha-alpha superhelix	ARM repeat	MIF4G domain-like	Eukaryotic initiation factor eIF4G	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1ug3b1	All alpha proteins	alpha-alpha superhelix	ARM repeat	MIF4G domain-like	Eukaryotic initiation factor eIF4G	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	MA3 domain-like	8020522	4000569	SCOP2 (2022-06-29)
A	SCOP2 Family	MA3 domain-like	8020523	4000569	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ARM repeat-like	8032902	3000116	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ARM repeat-like	8032903	3000116	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	ARM repeat-like	8032902	3000116	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ARM repeat-like	8032903	3000116	SCOP2B (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	W2	e1ug3A2	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: W2	ECOD (1.6)
A	MA3	e1ug3A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: MA3	ECOD (1.6)
B	W2	e1ug3B2	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: W2	ECOD (1.6)
B	MA3	e1ug3B1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: MA3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.40.180	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
B	1.25.40.180	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02847	MA3 domain (MA3)	MA3 domain	-	Repeat
A, B	PF02020	eIF4-gamma/eIF5/eIF2-epsilon (W2)	eIF4-gamma/eIF5/eIF2-epsilon	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	eukaryotic protein synthesis initiation factor 4G	translation factor activity translation initiation factor activity eukaryotic initiation factor 4E binding protein binding binding translation initiation factor binding RNA binding nucleic acid binding translation factor activity, RNA binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding translation factor activity translation initiation factor activity eukaryotic initiation factor 4E binding protein binding binding translation initiation factor binding RNA binding nucleic acid binding translation factor activity, RNA binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding mRNA binding molecular adaptor activity	regulation of growth regulation of biological process regulation of cellular process regulation of cellular component organization biological regulation growth positive regulation of biological process positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular process cellular component organization or biogenesis regulation of growth regulation of biological process regulation of cellular process regulation of cellular component organization biological regulation growth positive regulation of biological process positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular process cellular component organization or biogenesis positive regulation of cellular process primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process protein metabolic process macromolecule metabolic process positive regulation of protein metabolic process regulation of protein metabolic process regulation of macromolecule metabolic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process regulation of metabolic process positive regulation of cellular component organization protein-containing complex organization positive regulation of cellular component biogenesis eukaryotic translation initiation factor 4F complex assembly regulation of cellular component biogenesis regulation of eukaryotic translation initiation factor 4F complex assembly cellular component biogenesis regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly cellular component assembly positive regulation of eukaryotic translation initiation factor 4F complex assembly protein-containing complex assembly cellular response to stimulus response to stimulus positive regulation of translation positive regulation of macromolecule biosynthetic process post-transcriptional regulation of gene expression regulation of translation in response to stress cellular response to stress positive regulation of biosynthetic process response to stress positive regulation of translation in response to stress response to endoplasmic reticulum stress positive regulation of translation in response to endoplasmic reticulum stress regulation of biosynthetic process regulation of translation in response to endoplasmic reticulum stress regulation of gene expression positive regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process cap-dependent translational initiation cytoplasmic translation cytoplasmic translational initiation cellular response to nutrient levels response to nutrient levels multicellular organismal process regulation of presynapse assembly multicellular organism development regulation of presynapse organization cell junction assembly anatomical structure development regulation of synapse structure or activity regulation of synapse assembly synapse organization regulation of biological quality system development developmental process presynapse organization nervous system development regulation of cell junction assembly regulation of synapse organization cell junction organization synapse assembly presynapse assembly multicellular organismal-level homeostasis homeostatic process energy homeostasis negative regulation of biological process negative regulation of translation negative regulation of cellular process miRNA-mediated gene silencing by inhibition of translation negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of metabolic process regulatory ncRNA-mediated post-transcriptional gene silencing regulatory ncRNA-mediated gene silencing miRNA-mediated post-transcriptional gene silencing negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process post-transcriptional gene silencing positive regulation of protein localization to cell periphery regulation of localization protein localization to cell periphery regulation of protein localization regulation of protein localization to cell periphery localization macromolecule localization positive regulation of protein localization intracellular protein localization regulation of cellular response to stress regulation of response to stimulus regulation of response to stress cellular developmental process generation of neurons neurogenesis neuron differentiation cell differentiation regulation of cell cycle phase transition cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition mitotic cell cycle regulation of mitotic cell cycle positive regulation of mitotic cell cycle phase transition positive regulation of cell cycle process positive regulation of mitotic cell cycle cell cycle regulation of cell cycle cell cycle process positive regulation of G1/S transition of mitotic cell cycle regulation of cell cycle process positive regulation of cell cycle regulation of mitotic cell cycle phase transition positive regulation of cell cycle G1/S phase transition mitotic cell cycle process regulation of G1/S transition of mitotic cell cycle positive regulation of cell cycle phase transition G1/S transition of mitotic cell cycle mitotic cell cycle phase transition regulation of developmental process regulation of cell differentiation positive regulation of neuron differentiation positive regulation of developmental process positive regulation of cell differentiation regulation of neuron differentiation regulation of translational initiation negative regulation of catabolic process catabolic process autophagy regulation of catabolic process regulation of autophagy negative regulation of autophagy process utilizing autophagic mechanism behavioral defense response behavior fear response behavioral fear response defense response multicellular organismal response to stress	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 membrane cytosol ribosome 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 membrane cytosol ribosome protein-containing complex eukaryotic translation initiation factor 4F complex RNA cap binding complex intracellular protein-containing complex membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR016024	Armadillo-type fold	Homologous Superfamily
A, B	IPR003307	W2 domain	Domain
A, B	IPR003891	Initiation factor eIF-4 gamma, MA3	Domain
A, B	IPR003890	MIF4G-like, type 3	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q04637	Parkinson disease 18, autosomal dominant, susceptibility to Parkinson disease adenoma Autosomal dominant late onset Parkinson disease glioblastoma neurodegenerative disease amyotrophic lateral sclerosis colorectal cancer intellectual disability non-small cell lung carcinoma astrocytic tumor gastric carcinoma large cell medulloblastoma ovarian cancer

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.