1jxe

STOFFEL FRAGMENT OF TAQ DNA POLYMERASE I

Method: X-RAY DIFFRACTION Dmax: 83.5 Å Quality: EXCELLENT

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

TAQ DNA POLYMERASE I

Thermus aquaticus

UniProt P19821

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 293–832 Fragment:STOFFEL FRAGMENT, RESIDUES 290 - 832 No other associated polymer X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.85 Å

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.

81 other PDB entries and 83 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DPO1_THEAQ
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–540; UniProt 293–832

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 1jxe

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1jxe
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1jxe
Deposition date deposition_date1996-10-09
Structure title titleSTOFFEL FRAGMENT OF TAQ DNA POLYMERASE I
Keywords keywordsNUCLEOTIDYLTRANSFERASE, DNA-DIRECTED DNA POLYMERASE, DNA REPLICATION; NUCLEOTIDYLTRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.28
Radius of gyration Rg (electron density) rg_electron26.14
Forward intensity I(0) i056308000.00
Molecular weight molecular_weight58979.0 kDa
Excluded volume excluded_volume74155 ų
Envelope volume envelope_volume96124 ų
Hydration-shell volume shell_volume30696 ų
Envelope diameter envelope_diameter86.5
Shell Rg shell_rg33.55
Envelope Rg envelope_rg25.98
Shape Rg shape_rg26.17
Total Rg total_rg26.85
Total atoms total_atoms4162
Residues n_residues525
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 dmax83.5
Rg (real space) rg_real27.14
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real5.6310e+07
I(0) uncertainty (real space) i0_real_error7.4160e+05
Rg (reciprocal space) rg_reciprocal27.18
I(0) (reciprocal space) i0_reciprocal56310000.0000
Solution quality estimate total_estimate0.9093
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary82.1
Skewness Skewness skewness0.141
Kurtosis Kurtosis kurtosis-0.531
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16000000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.956; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.952

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1jxea1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.3 — Ribonuclease H-like
Family Family familyc.55.3.5 — DnaQ-like 3'-5' exonuclease
Domain ID domain_idd1jxea2
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.8.1.1 — DNA polymerase I

CATH v4.4 (4 domains)

Domain ID domain_id1jxeA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id1jxeA02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1060 — Taq DNA Polymerase; Chain T, domain 4
Homologous superfamily homologous superfamily10 — Taq DNA Polymerase; Chain T, domain 4
Domain ID domain_id1jxeA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily370
Domain ID domain_id1jxeA04
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

8. Citations (0)

9. Files and Curves (10)