ISDA

Deposition Date 2024-08-28

Release Date 2025-07-09

Last Version Date 2025-07-09

Entry Detail

PDB ID:

9DDR

Keywords:

REPLICATION

Title:

Ternary substrate complex of DNA polymerase iota with DNA (template A), Ca2+, and dTTP

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Escherichia coli BL21(DE3)

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.15 Å

R-Value Free:

0.28

R-Value Work:

0.23

R-Value Observed:

0.23

Space Group:

P 65 2 2

Download Validation Report

Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:DNA polymerase iota
Gene (Uniprot):POLI
Chain IDs:A
Chain Length:420
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:Q9UNA4 Pfam ID:PF00817, PF21999, PF11799 EC:2.7.7.7

Polymer Type:polydeoxyribonucleotide
Molecule:DNA (5'-D(P*AP*AP*GP*GP*GP*TP*CP*CP*TP*AP*GP*GP*AP*CP*CP*C)-3')
Chain IDs:B
Chain Length:18
Number of Molecules:1
Biological Source:Homo sapiens

Ligand Molecules

TTP

Primary Citation

Visualizing DNA polymerase iota catalyze Hoogsteen-directed DNA synthesis

Frevert, Z, Reusch, D.T, Gildenberg, M.S, Jordan, S.M, Ryan, B.J, Freudenthal, B.D, Washington, M.T, Liebschner, D, Afonine, P.V, Baker, M.L, Bunkoczi, G, Chen, V.B, Croll, T.I, Hintze, B, Hung, L.W, Jain, S, McCoy, A.J, Moriarty, N.W, Oeffner, R.D, Poon, B.K, Prisant, M.G, Read, R.J, Richardson, J.S, Richardson, D.C, Sammito, M.D, Sobolev, O.V, Stockwell, D.H, Terwilliger, T.C, Urzhumtsev, A.G, Videau, L.L, Williams, C.J, Adams, P.D.Show

Nat Commun 16 5979 ? (2025)

DOI: 10.1038/s41467-025-61245-8

Primary Citation of related structures