1UD9

Crystal Structure of Proliferating Cell Nuclear Antigen (PCNA) Homolog From Sulfolobus tokodaii

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ud9a1	Alpha and beta proteins (a+b)	DNA clamp	DNA clamp	DNA polymerase processivity factor	Proliferating cell nuclear antigen (PCNA)	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
D	d1ud9d1	Alpha and beta proteins (a+b)	DNA clamp	DNA clamp	DNA polymerase processivity factor	Proliferating cell nuclear antigen (PCNA)	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
B	d1ud9b1	Alpha and beta proteins (a+b)	DNA clamp	DNA clamp	DNA polymerase processivity factor	Proliferating cell nuclear antigen (PCNA)	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
C	d1ud9c1	Alpha and beta proteins (a+b)	DNA clamp	DNA clamp	DNA polymerase processivity factor	Proliferating cell nuclear antigen (PCNA)	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	DNA polymerase processivity factor	8028403	4002066	SCOP2 (2022-06-29)
A	SCOP2 Family	DNA polymerase processivity factor	8028404	4002066	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DNA clamp	8040782	3000780	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DNA clamp	8040783	3000780	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	DNA clamp	8040782	3000780	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	DNA clamp	8040783	3000780	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	DNA clamp	8040783	3000780	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	DNA clamp	8040782	3000780	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	DNA clamp	8040783	3000780	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	DNA clamp	8040782	3000780	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	PCNA_C	e1ud9A2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PCNA_C	ECOD (1.6)
A	PCNA_N_1	e1ud9A1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PCNA_N_1	ECOD (1.6)
D	PCNA_C	e1ud9D2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PCNA_C	ECOD (1.6)
D	PCNA_N_1	e1ud9D1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PCNA_N_1	ECOD (1.6)
B	PCNA_C	e1ud9B2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PCNA_C	ECOD (1.6)
B	PCNA_N_1	e1ud9B1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PCNA_N_1	ECOD (1.6)
C	PCNA_C	e1ud9C2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PCNA_C	ECOD (1.6)
C	PCNA_N_1	e1ud9C1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PCNA_N_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.70.10.10	Alpha Beta	Box	Proliferating Cell Nuclear Antigen		CATH (4.3.0)
D	3.70.10.10	Alpha Beta	Box	Proliferating Cell Nuclear Antigen		CATH (4.3.0)
B	3.70.10.10	Alpha Beta	Box	Proliferating Cell Nuclear Antigen		CATH (4.3.0)
C	3.70.10.10	Alpha Beta	Box	Proliferating Cell Nuclear Antigen		CATH (4.3.0)

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 A	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	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process 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 nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process 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	-

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 R01GM157729.