3f22

Crystal structure of Zalpha in complex with d(CGTACG)

Method: X-RAY DIFFRACTION Dmax: 70.9 Å Quality: GOOD

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

Double-stranded RNA-specific adenosine deaminase

Homo sapiens

UniProt P55265

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 Homooligomer Protein × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 133–209 Chain B; UniProt 133–209 Fragment:N-terminal zalpha Domain, UNP residues 133-209 ;DNA (5'-D(*DTP*DCP*DGP*DTP*DAP*DCP*DG)-3') ; × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;295 K;2.2M (NH4)2SO4, 10% Glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.50 Å R-free 0.269
2 Protein–DNA Homooligomer Protein × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain C; UniProt 133–209 Fragment:N-terminal zalpha Domain, UNP residues 133-209 ;DNA (5'-D(*DTP*DCP*DGP*DTP*DAP*DCP*DG)-3') ; × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;295 K;2.2M (NH4)2SO4, 10% Glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.50 Å R-free 0.269

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 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DSRAD_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–81; UniProt 133–209 Author chain B; PDBConstruct 5–81; UniProt 133–209 Author chain C; PDBConstruct 5–81; UniProt 133–209

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 3f22

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3f22
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3f22
Deposition date deposition_date2008-10-28
Structure title titleCrystal structure of Zalpha in complex with d(CGTACG)
Keywords keywords;Protein-Z-DNA complex, Alternative promoter usage, Alternative splicing, Cytoplasm, Disease mutation, DNA-binding, Hydrolase, Metal-binding, mRNA processing, Nucleus, Phosphoprotein, Polymorphism, RNA-binding, RNA-mediated gene silencing, Ubl conjugation, Zinc ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.66
Radius of gyration Rg (electron density) rg_electron21.69
Forward intensity I(0) i015454300.00
Molecular weight molecular_weight27074.0 kDa
Excluded volume excluded_volume32827 ų
Envelope volume envelope_volume41596 ų
Hydration-shell volume shell_volume16972 ų
Envelope diameter envelope_diameter72.2
Shell Rg shell_rg26.92
Envelope Rg envelope_rg21.60
Shape Rg shape_rg21.70
Total Rg total_rg22.33
Total atoms total_atoms1886
Residues n_residues211
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 dmax70.9
Rg (real space) rg_real21.67
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real1.5450e+07
I(0) uncertainty (real space) i0_real_error2.0690e+05
Rg (reciprocal space) rg_reciprocal21.67
I(0) (reciprocal space) i0_reciprocal15450000.0000
Solution quality estimate total_estimate0.8938
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.1
Skewness Skewness skewness0.264
Kurtosis Kurtosis kurtosis-0.528
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2136000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.899; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.922; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd3f22a_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.19 — Z-DNA binding domain
Domain ID domain_idd3f22b_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.19 — Z-DNA binding domain
Domain ID domain_idd3f22c_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.19 — Z-DNA binding domain

CATH v4.4 (3 domains)

Domain ID domain_id3f22A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id3f22B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id3f22C00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

8. Citations (1)

9. Files and Curves (10)