Annotations: 7N5K

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00705	e7n5kA1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF00705	ECOD (1.6)
A	PF02747	e7n5kA2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF02747	ECOD (1.6)
B	PF00705	e7n5kB1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF00705	ECOD (1.6)
B	PF02747	e7n5kB2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF02747	ECOD (1.6)
C	PF00705	e7n5kC1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF00705	ECOD (1.6)
C	PF02747	e7n5kC2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF02747	ECOD (1.6)
D	PF00705	e7n5kD1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF00705	ECOD (1.6)
D	PF02747	e7n5kD2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF02747	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	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, B, C, D	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
A, B, C, D	DNA polymerase sliding clamp	DNA binding binding organic cyclic compound 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 organic cyclic compound metabolic process DNA strand elongation organic substance metabolic process DNA replication metabolic process DNA strand elongation involved in DNA replication macromolecule metabolic process 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 organic cyclic compound metabolic process DNA strand elongation organic substance metabolic process DNA replication metabolic process DNA strand elongation involved in DNA replication macromolecule metabolic process cellular response to stimulus postreplication repair response to stimulus cellular biosynthetic process DNA synthesis involved in DNA repair nucleic acid biosynthetic process cellular response to stress response to stress organic substance biosynthetic process DNA repair translesion synthesis cellular metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process biosynthetic process DNA damage response organic cyclic compound biosynthetic process cellular process DNA biosynthetic process mismatch repair regulation of biological 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	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR046938	DNA clamp superfamily	Homologous Superfamily
A, B, C, D	IPR000730	Proliferating cell nuclear antigen, PCNA	Family
A, B, C, D	IPR022649	Proliferating cell nuclear antigen, PCNA, C-terminal	Domain
A, B, C, D	IPR022659	Proliferating cell nuclear antigen, PCNA, conserved site	Conserved Site
A, B, C, D	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 R01GM133198.