Annotations: 8Q7I

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02747	Proliferating cell nuclear antigen, C-terminal domain (PCNA_C)	Proliferating cell nuclear antigen, C-terminal domain	N-terminal and C-terminal domains of PCNA are topologically identical. Three PCNA molecules are tightly associated to form a closed ring encircling duplex DNA.	Domain
A	PF00705	Proliferating cell nuclear antigen, N-terminal domain (PCNA_N)	Proliferating cell nuclear antigen, N-terminal domain	N-terminal and C-terminal domains of PCNA are topologically identical. Three PCNA molecules are tightly associated to form a closed ring encircling duplex DNA.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth P]	Flap endonuclease 1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding DNA binding nucleic acid binding 5'-flap endonuclease activity endonuclease activity catalytic activity, acting on a nucleic acid hydrolase activity DNA nuclease activity DNA endonuclease activity cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding DNA binding nucleic acid binding 5'-flap endonuclease activity endonuclease activity catalytic activity, acting on a nucleic acid hydrolase activity DNA nuclease activity DNA endonuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on DNA nuclease activity flap endonuclease activity DNA endonuclease activity, producing 5'-phosphomonoesters catalytic activity 5'-3' exonuclease activity exonuclease activity	DNA replication, removal of RNA primer catabolic process RNA metabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process DNA replication nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process DNA replication, removal of RNA primer catabolic process RNA metabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process DNA replication nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process cellular response to stimulus response to stimulus base-excision repair cellular response to stress DNA damage response response to stress DNA repair	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membraneless organelle nucleolus intracellular organelle lumen organelle lumen membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membraneless organelle nucleolus intracellular organelle lumen organelle lumen membraneless organelle nuclear lumen nucleoplasm
A	Proliferating cell nuclear antigen	DNA binding binding nucleic acid binding enzyme regulator activity DNA polymerase processivity factor activity enzyme activator activity molecular function activator activity molecular function regulator activity	DNA-templated DNA replication primary metabolic process DNA metabolic process leading strand elongation nucleic acid metabolic process nucleobase-containing compound metabolic process DNA strand elongation DNA replication metabolic process cellular process DNA strand elongation involved in DNA replication macromolecule metabolic process translesion synthesis cellular response to stimulus DNA-templated DNA replication primary metabolic process DNA metabolic process leading strand elongation nucleic acid metabolic process nucleobase-containing compound metabolic process DNA strand elongation DNA replication metabolic process cellular process DNA strand elongation involved in DNA replication macromolecule metabolic process translesion synthesis cellular response to stimulus response to stimulus nucleobase-containing compound biosynthetic process DNA damage tolerance macromolecule biosynthetic process DNA synthesis involved in DNA replication nucleic acid biosynthetic process biosynthetic process cellular response to stress DNA damage response response to stress DNA biosynthetic process mismatch repair DNA repair regulation of biological process regulation of cellular process biological regulation regulation of macromolecule metabolic process regulation of primary metabolic process regulation of nucleobase-containing compound metabolic process regulation of metabolic process regulation of DNA replication regulation of DNA metabolic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure PCNA complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle enzyme activator complex DNA polymerase processivity factor complex intracellular organelle cellular anatomical structure organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth P]	IPR006086	XPG-I domain	Domain
B [auth P]	IPR023426	Flap endonuclease 1	Family
B [auth P]	IPR029060	PIN-like domain superfamily	Homologous Superfamily
B [auth P]	IPR036279	5'-3' exonuclease, C-terminal domain superfamily	Homologous Superfamily
B [auth P]	IPR008918	Helix-hairpin-helix motif, class 2	Conserved Site
B [auth P]	IPR019974	XPG conserved site	Conserved Site
B [auth P]	IPR006085	XPG, N-terminal	Domain
B [auth P]	IPR006084	XPG/Rad2 endonuclease	Family
A	IPR046938	DNA clamp superfamily	Homologous Superfamily
A	IPR000730	Proliferating cell nuclear antigen, PCNA	Family
A	IPR022649	Proliferating cell nuclear antigen, PCNA, C-terminal	Domain
A	IPR022659	Proliferating cell nuclear antigen, PCNA, conserved site	Conserved Site
A	IPR022648	Proliferating cell nuclear antigen, PCNA, N-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.