Annotations: 3U50

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth C]	PF08646	e3u50C1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF08646	ECOD (1.6)
A [auth C]	F_UNCLASSIFIED	e3u50C2	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth C]	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
A [auth C]	2.20.25.10	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C]	PF08646	Replication factor-A C terminal domain (Rep_fac-A_C)	Replication factor-A C terminal domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C]	Telomerase-associated protein 82	sequence-specific DNA binding DNA binding binding organic cyclic compound binding sequence-specific single stranded DNA binding single-stranded telomeric DNA binding single-stranded DNA binding nucleic acid binding telomeric DNA binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding sequence-specific DNA binding DNA binding binding organic cyclic compound binding sequence-specific single stranded DNA binding single-stranded telomeric DNA binding single-stranded DNA binding nucleic acid binding telomeric DNA binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	cellular biosynthetic process telomere organization RNA-templated DNA biosynthetic process nucleobase-containing compound metabolic process telomere maintenance via telomere lengthening cellular component organization nucleic acid biosynthetic process organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis telomere maintenance via telomerase cellular metabolic process chromosome organization primary metabolic process cellular biosynthetic process telomere organization RNA-templated DNA biosynthetic process nucleobase-containing compound metabolic process telomere maintenance via telomere lengthening cellular component organization nucleic acid biosynthetic process organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis telomere maintenance via telomerase cellular metabolic process chromosome organization primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process telomere maintenance organic cyclic compound metabolic process organelle organization biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process macromolecule metabolic process DNA biosynthetic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle telomerase holoenzyme complex organelle ribonucleoprotein complex intracellular non-membrane-bounded organelle chromosome membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle telomerase holoenzyme complex organelle ribonucleoprotein complex intracellular non-membrane-bounded organelle chromosome chromosome, telomeric region chromosomal region non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A [auth C]	IPR047192	Replication factor A, C-terminal, eukaryotes	Domain
A [auth C]	IPR013955	Replication factor A, C-terminal	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 R01GM133198.