Crystal structure of rat DNA polymerase beta: evidence for a common polymerase mechanism.

139717 Biological Macromolecular Structures Enabling Breakthroughs in Research and Education

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
A9-91	d1bpda1	All alpha proteins	SAM domain-like	DNA polymerase beta, N-terminal domain-like	DNA polymerase beta, N-terminal domain-like	DNA polymerase beta, N-terminal (8 kD)-domain	Rat (Rattus norvegicus) [TaxId: 10116]
A92-148	d1bpda2	All alpha proteins	SAM domain-like	PsbU/PolX domain-like	DNA polymerase beta-like, second domain	DNA polymerase beta	Rat (Rattus norvegicus) [TaxId: 10116]
A149-335	d1bpda3	Alpha and beta proteins (a+b)	Nucleotidyltransferase	Nucleotidyltransferase	DNA polymerase beta-like	DNA polymerase beta, catalytic (31 kD) fragment	Rat (Rattus norvegicus) [TaxId: 10116]

Chains	Domain	Class	Architecture	Topology	Homology
A1	1bpdA01	Mainly Alpha	Orthogonal Bundle	DNA polymerase; domain 1	DNA polymerase beta, N-terminal domain-like
A2	1bpdA02	Mainly Alpha	Orthogonal Bundle	DNA polymerase; domain 1	5' to 3' exonuclease, C-terminal subdomain
A3	1bpdA03	Alpha Beta	2-Layer Sandwich	Beta Polymerase; domain 2	Beta Polymerase, domain 2
A4	1bpdA04	Alpha Beta	2-Layer Sandwich	Beta Polymerase; domain 3	Beta Polymerase, domain 3

Chains	Pfam Accession	Pfam Identifier	Pfam Description	Type	Source

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DNA POLYMERASE BETA (1BPD:A)	DNA Binding Damaged DNA Binding DNA Directed DNA Polymerase Activity Protein Binding Microtubule Binding Transferase Activity Nucleotidyltransferase Activity Lyase Activity Enzyme Binding DNA Polymerase Activity Metal Ion Binding	DNA Replication DNA Repair Base Excision Repair Base Excision Repair Gap Filling Pyrimidine Dimer Repair Apoptotic Process Inflammatory Response Cellular Response to DNA Damage Stimulus Salivary Gland Morphogenesis Aging Intrinsic Apoptotic Signaling Pathway in Response to DNA Damage Response to Gamma Radiation Somatic Diversification of Immunoglobulins Somatic Hypermutation of Immunoglobulin Genes Response to Ethanol Lymph Node Development Spleen Development Homeostasis of Number of Cells Neuron Apoptotic Process Response to Hyperoxia Immunoglobulin Heavy Chain V D J Recombination DNA Biosynthetic Process	Nucleus Cytoplasm Microtubule Spindle Microtubule Protein Containing Complex

Type	PDB Residue Nr.	Description