Annotations: 8AA9

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ribosomal_L27A, Ribosomal_L18	e8aa9A01	A: beta barrels	X: Fe-binding domain in prismane-like proteins	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Ribosomal_L27A, Ribosomal_L18	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (utative)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (utative)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Replication factor A	DNA binding binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	response to ionizing radiation response to stimulus response to radiation response to abiotic stimulus cellular response to stimulus double-strand break repair DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress response to ionizing radiation response to stimulus response to radiation response to abiotic stimulus cellular response to stimulus double-strand break repair DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress recombinational repair metabolic process cellular process macromolecule metabolic process double-strand break repair via homologous recombination DNA repair	-

Chains	Accession	Name	Type
A, B	IPR004365	OB-fold nucleic acid binding domain, AA-tRNA synthetase-type	Domain
A, B	IPR051231	SOSS complex subunit B	Family
A, B	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, B	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

8AA9 | pdb_00008aa9