8qpc

18mer DNA mimic Foldamer with an Aromatic linker in complex with Sac7d V26A/M29A protein

Method: X-RAY DIFFRACTION Dmax: 51.3 Å Quality: GOOD

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

DNA-binding protein 7b

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 heterocomplex Heteromer Protein × 3 PDB declaration: monomeric(1) Count mismatch; review required Chain AA; UniProt 1–66 Mutation:V26A/M29A N-[2-(2-methyl-1,3-dioxolan-2-yl)phenyl]-2-{[5-(trifluoromethyl)pyridin-2-yl]amino}pyridine-4-carboxamide × 1 N-[2-(2-methyl-1,3-dioxolan-2-yl)phenyl]-2-{[5-(trifluoromethyl)pyridin-2-yl]amino}pyridine-4-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293.15 K;10 % PEG 400, 0.1 M MES pH 6.0 Resolution 3.24 Å R-free 0.348

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 DN7D_SULAC
Isoform
PDB entities 1
Chains and sequence ranges Author chain AA; PDBConstruct 1–66; UniProt 1–66

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 8qpc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qpc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qpc
Deposition date deposition_date2023-10-01
Structure title title18mer DNA mimic Foldamer with an Aromatic linker in complex with Sac7d V26A/M29A protein
Keywords keywordsFoldamer, DNA mimic foldamer, DNA mimicry, Sac7d, DNA BINDING PROTEIN; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.32
Radius of gyration Rg (electron density) rg_electron14.34
Forward intensity I(0) i03624000.00
Molecular weight molecular_weight11688.0 kDa
Excluded volume excluded_volume13673 ų
Envelope volume envelope_volume16000 ų
Hydration-shell volume shell_volume10217 ų
Envelope diameter envelope_diameter50.3
Shell Rg shell_rg18.96
Envelope Rg envelope_rg14.61
Shape Rg shape_rg14.25
Total Rg total_rg15.40
Total atoms total_atoms812
Residues n_residues63
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 dmax51.3
Rg (real space) rg_real15.33
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real3.6240e+06
I(0) uncertainty (real space) i0_real_error4.2200e+04
Rg (reciprocal space) rg_reciprocal15.33
I(0) (reciprocal space) i0_reciprocal3624000.0000
Solution quality estimate total_estimate0.8693
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.2
Skewness Skewness skewness0.376
Kurtosis Kurtosis kurtosis-0.252
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha584400.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.800; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.963; Smooth: 0.933

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (3)

9. Files and Curves (10)