1wtq

Hyperthermophile chromosomal protein SAC7D single mutant M29F in complex with DNA GTAATTAC

Method: X-RAY DIFFRACTION Dmax: 46.4 Å Quality: GOOD

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

DNA-binding proteins 7a/7b/7d

Sulfolobus acidocaldarius

UniProt P13123

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 A; UniProt 0–65 Mutation:M29F 5'-D(*GP*TP*AP*AP*TP*TP*AP*C)-3' × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;298 K;PEG 400, Tris buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K Resolution 1.70 Å R-free 0.225

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.

23 other PDB entries and 25 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DN71_SULAC
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–66; UniProt 0–65

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 1wtq

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1wtq
Deposition date deposition_date2004-11-29
Structure title titleHyperthermophile chromosomal protein SAC7D single mutant M29F in complex with DNA GTAATTAC
Keywords keywords;COMPLEX CHROMATIN PROTEIN-DNA, MINOR-GROOVE DNA BINDING, ARCHEA, KINKED-DNA, INTERCALATION, Sac7d mutant, DNA BINDING PROTEIN-DNA COMPLEX ;; DNA BINDING PROTEIN/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier14.39
Radius of gyration Rg (electron density) rg_electron13.23
Forward intensity I(0) i04373030.00
Molecular weight molecular_weight12183.0 kDa
Excluded volume excluded_volume14074 ų
Envelope volume envelope_volume16707 ų
Hydration-shell volume shell_volume10894 ų
Envelope diameter envelope_diameter44.3
Shell Rg shell_rg18.66
Envelope Rg envelope_rg13.57
Shape Rg shape_rg13.14
Total Rg total_rg14.42
Total atoms total_atoms840
Residues n_residues80
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 dmax46.4
Rg (real space) rg_real14.30
Rg uncertainty (real space) rg_real_error0.24
I(0) (real space) i0_real4.3730e+06
I(0) uncertainty (real space) i0_real_error4.6050e+04
Rg (reciprocal space) rg_reciprocal14.31
I(0) (reciprocal space) i0_reciprocal4373000.0000
Solution quality estimate total_estimate0.7736
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.2
Skewness Skewness skewness0.127
Kurtosis Kurtosis kurtosis-0.377
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha488400.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.854; Stabil: 1.000; Sysdev: 0.499; Positv: 1.000; Valcen: 0.998; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1wtqa_
Class classb — All beta proteins
Fold Fold foldb.34 — SH3-like barrel
Superfamily Superfamily superfamilyb.34.13 — Chromo domain-like
Family Family familyb.34.13.1 — Histone-like proteins from archaea

CATH v4.4 (1 domains)

Domain ID domain_id1wtqA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily40

8. Citations (1)

9. Files and Curves (10)