3gv5

Human DNA polymerase iota in complex with T template DNA and incoming ddADP

Method: X-RAY DIFFRACTION Dmax: 117.0 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA polymerase iota

Homo sapiens

UniProt Q9UNA4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Monomer Protein × 1 DNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain B; UniProt 1–420 Non-standard monomer:Yes (specific site not provided by mmCIF) 5'-D(*GP*TP*GP*GP*AP*TP*GP*AP*G)-3' × 1 5'-D(P*CP*AP*TP*TP*CP*TP*CP*AP*TP*CP*CP*AP*C)-3' × 1 CA CALCIUM ION × 4 GOL GLYCEROL × 1 ADI 2',3'-DIDEOXYADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:hanging drop;pH 7.5;298 K;15% PEG 3350, 0.15 M CaCl2, 5% glycerol, 0.005M DTT, pH 7.5, hanging drop, temperature 298K Resolution 2.00 Å R-free 0.253
2 Protein–DNA Monomer Protein × 1 DNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain D; UniProt 1–420 Non-standard monomer:Yes (specific site not provided by mmCIF) 5'-D(*GP*TP*GP*GP*AP*TP*GP*AP*G)-3' × 1 5'-D(P*CP*AP*TP*TP*CP*TP*CP*AP*TP*CP*CP*AP*C)-3' × 1 CA CALCIUM ION × 4 ADI 2',3'-DIDEOXYADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:hanging drop;pH 7.5;298 K;15% PEG 3350, 0.15 M CaCl2, 5% glycerol, 0.005M DTT, pH 7.5, hanging drop, temperature 298K Resolution 2.00 Å R-free 0.253

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

52 other PDB entries and 52 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLI_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain B; PDBConstruct 1–420; UniProt 1–420 Author chain D; PDBConstruct 1–420; UniProt 1–420

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 3gv5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3gv5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3gv5
Deposition date deposition_date2009-03-30
Structure title titleHuman DNA polymerase iota in complex with T template DNA and incoming ddADP
Keywords keywords;Y-family polymerase, polymerase iota, error prone replication, DNA damage, DNA repair, DNA replication, DNA synthesis, DNA-binding, DNA-directed DNA polymerase, Magnesium, Metal-binding, Mutator protein, Nucleotidyltransferase, Nucleus, Schiff base, Transferase, TRANSFERASE-DNA COMPLEX ;; TRANSFERASE/DNA
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier35.42
Radius of gyration Rg (electron density) rg_electron35.21
Forward intensity I(0) i0191169000.00
Molecular weight molecular_weight101480.0 kDa
Excluded volume excluded_volume122660 ų
Envelope volume envelope_volume166250 ų
Hydration-shell volume shell_volume40066 ų
Envelope diameter envelope_diameter120.7
Shell Rg shell_rg40.88
Envelope Rg envelope_rg34.82
Shape Rg shape_rg35.19
Total Rg total_rg35.64
Total atoms total_atoms6958
Residues n_residues784
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax117.0
Rg (real space) rg_real35.51
Rg uncertainty (real space) rg_real_error0.99
I(0) (real space) i0_real1.9120e+08
I(0) uncertainty (real space) i0_real_error3.3390e+06
Rg (reciprocal space) rg_reciprocal35.46
I(0) (reciprocal space) i0_reciprocal191200000.0000
Solution quality estimate total_estimate0.6914
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary33.8
Skewness Skewness skewness0.324
Kurtosis Kurtosis kurtosis-0.636
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha25440000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.874; Stabil: 1.000; Sysdev: 0.186; Positv: 1.000; Valcen: 0.923; Smooth: 0.880

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3gv5b1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.7 — Lesion bypass DNA polymerase (Y-family), catalytic domain
Domain ID domain_idd3gv5b2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.240 — Lesion bypass DNA polymerase (Y-family), little finger domain
Superfamily Superfamily superfamilyd.240.1 — Lesion bypass DNA polymerase (Y-family), little finger domain
Family Family familyd.240.1.1 — Lesion bypass DNA polymerase (Y-family), little finger domain
Domain ID domain_idd3gv5d1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.7 — Lesion bypass DNA polymerase (Y-family), catalytic domain
Domain ID domain_idd3gv5d2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.240 — Lesion bypass DNA polymerase (Y-family), little finger domain
Superfamily Superfamily superfamilyd.240.1 — Lesion bypass DNA polymerase (Y-family), little finger domain
Family Family familyd.240.1.1 — Lesion bypass DNA polymerase (Y-family), little finger domain

CATH v4.4 (8 domains)

Domain ID domain_id3gv5B01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id3gv5B02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1170 — MutS, DNA mismatch repair protein, domain I
Homologous superfamily homologous superfamily60
Domain ID domain_id3gv5B03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily20 — 5' to 3' exonuclease, C-terminal subdomain
Domain ID domain_id3gv5B04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily100 — DNA polymerase, Y-family, little finger domain
Domain ID domain_id3gv5D01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id3gv5D02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1170 — MutS, DNA mismatch repair protein, domain I
Homologous superfamily homologous superfamily60
Domain ID domain_id3gv5D03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily20 — 5' to 3' exonuclease, C-terminal subdomain
Domain ID domain_id3gv5D04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily100 — DNA polymerase, Y-family, little finger domain

8. Citations (1)

9. Files and Curves (10)