1bgx

TAQ POLYMERASE IN COMPLEX WITH TP7, AN INHIBITORY FAB

Method: X-RAY DIFFRACTION Dmax: 118.3 Å Quality: GOOD

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

TAQ DNA POLYMERASE

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain T; UniProt 1–832 Not recorded TP7 MAB × 1 TP7 MAB × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;277 K;PROTEIN WAS CRYSTALLIZED FROM 22% PEG 3350, 200 MM TRIS/HCL, PH 7.4. COMPLEX WAS MADE AT A PROTEIN CONCENTRATION OF 0.5 MG/ML, LEFT FOR 2-3 DAYS AT 4 DEGREES CELSIUS, CONCENTRATED TO 5MG/ML PROTEIN AND CRYSTALLIZATION CARRIED OUT IN HANGING DROPS., vapor diffusion - hanging drop, temperature 277K Resolution 2.30 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.

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 T; PDBConstruct 1–832; UniProt 1–832

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 1bgx

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1bgx
Deposition date deposition_date1998-06-02
Structure title titleTAQ POLYMERASE IN COMPLEX WITH TP7, AN INHIBITORY FAB
Keywords keywords;DNA POLYMERASE, FAB, PCR, INHIBITION, HELIX-COIL DYNAMICS, INHIBITOR DESIGN, COMPLEX (POLYMERASE-INHIBITOR), COMPLEX (POLYMERASE-INHIBITOR) complex ;; COMPLEX (POLYMERASE/INHIBITOR)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.39
Radius of gyration Rg (electron density) rg_electron35.76
Forward intensity I(0) i0291508000.00
Molecular weight molecular_weight139090.0 kDa
Excluded volume excluded_volume174820 ų
Envelope volume envelope_volume235570 ų
Hydration-shell volume shell_volume54500 ų
Envelope diameter envelope_diameter119.4
Shell Rg shell_rg42.42
Envelope Rg envelope_rg35.46
Shape Rg shape_rg35.75
Total Rg total_rg36.28
Total atoms total_atoms9815
Residues n_residues1247
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 dmax118.3
Rg (real space) rg_real36.34
Rg uncertainty (real space) rg_real_error0.84
I(0) (real space) i0_real2.9150e+08
I(0) uncertainty (real space) i0_real_error4.3770e+06
Rg (reciprocal space) rg_reciprocal36.38
I(0) (reciprocal space) i0_reciprocal291500000.0000
Solution quality estimate total_estimate0.8890
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary41.3
Skewness Skewness skewness0.300
Kurtosis Kurtosis kurtosis-0.429
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha59210000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.902; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.850

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd1bgxh1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd1bgxh2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd1bgxl1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd1bgxl2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd1bgxt1
Class classa — All alpha proteins
Fold Fold folda.60 — SAM domain-like
Superfamily Superfamily superfamilya.60.7 — 5' to 3' exonuclease, C-terminal subdomain
Family Family familya.60.7.1 — 5' to 3' exonuclease, C-terminal subdomain
Domain ID domain_idd1bgxt2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.120 — PIN domain-like
Superfamily Superfamily superfamilyc.120.1 — PIN domain-like
Family Family familyc.120.1.2 — 5' to 3' exonuclease catalytic domain
Domain ID domain_idd1bgxt3
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_idd1bgxt4
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 (10 domains)

Domain ID domain_id1bgxH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bgxH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bgxL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bgxL02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bgxT01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1010 — 5'-nuclease
Domain ID domain_id1bgxT02
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_id1bgxT03
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_id1bgxT04
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_id1bgxT05
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily370
Domain ID domain_id1bgxT06
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 (2)

9. Files and Curves (10)