1f5t

DIPHTHERIA TOX REPRESSOR (C102D MUTANT) COMPLEXED WITH NICKEL AND DTXR CONSENSUS BINDING SEQUENCE

Method: X-RAY DIFFRACTION Dmax: 144.4 Å Quality: GOOD

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

DIPHTHERIA TOXIN REPRESSOR

Corynebacterium diphtheriae

UniProt P33120

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 × 4 DNA 2 PDB declaration: hexameric(6) Consistent with all polymer counts Chain A; UniProt 1–121 Chain B; UniProt 1–121 Chain C; UniProt 1–121 Chain D; UniProt 1–121 Mutation:C102D 43MER DNA CONTAINING DXTR CONSENSUS BINDING SEQUENCE × 1 43MER DNA CONTAINING DXTR CONSENSUS BINDING SEQUENCE × 1 NI NICKEL (II) ION × 8 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;100 mM sodium cacodylate pH7.3, 10 mM MgCl2, 2 mM spermine, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 3.00 Å R-free 0.273

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 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DTXR_CORDI
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–121; UniProt 1–121 Author chain B; PDBConstruct 1–121; UniProt 1–121 Author chain C; PDBConstruct 1–121; UniProt 1–121 Author chain D; PDBConstruct 1–121; UniProt 1–121

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 1f5t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1f5t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1f5t
Deposition date deposition_date2000-06-15
Structure title titleDIPHTHERIA TOX REPRESSOR (C102D MUTANT) COMPLEXED WITH NICKEL AND DTXR CONSENSUS BINDING SEQUENCE
Keywords keywords;iron-regulated repressor, DNA-protein complex, helix-turn-helix motif, transcription regulator, diphtheria tox repressor, DNA-binding regulatory protein, TRANSCRIPTION-DNA COMPLEX ;; TRANSCRIPTION/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.67
Radius of gyration Rg (electron density) rg_electron34.82
Forward intensity I(0) i0161908000.00
Molecular weight molecular_weight82063.0 kDa
Excluded volume excluded_volume94386 ų
Envelope volume envelope_volume135360 ų
Hydration-shell volume shell_volume34170 ų
Envelope diameter envelope_diameter153.7
Shell Rg shell_rg38.45
Envelope Rg envelope_rg35.51
Shape Rg shape_rg34.77
Total Rg total_rg35.16
Total atoms total_atoms5617
Residues n_residues566
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 dmax144.4
Rg (real space) rg_real36.02
Rg uncertainty (real space) rg_real_error1.98
I(0) (real space) i0_real1.6190e+08
I(0) uncertainty (real space) i0_real_error3.1000e+06
Rg (reciprocal space) rg_reciprocal35.80
I(0) (reciprocal space) i0_reciprocal161900000.0000
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_primary39.4
Skewness Skewness skewness0.623
Kurtosis Kurtosis kurtosis0.373
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8231000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.529; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.503; Smooth: 0.963

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd1f5ta1
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.4.5.24 — Iron-dependent repressor protein
Domain ID domain_idd1f5ta2
Class classa — All alpha proteins
Fold Fold folda.76 — Iron-dependent repressor protein, dimerization domain
Superfamily Superfamily superfamilya.76.1 — Iron-dependent repressor protein, dimerization domain
Family Family familya.76.1.1 — Iron-dependent repressor protein, dimerization domain
Domain ID domain_idd1f5tb1
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.4.5.24 — Iron-dependent repressor protein
Domain ID domain_idd1f5tb2
Class classa — All alpha proteins
Fold Fold folda.76 — Iron-dependent repressor protein, dimerization domain
Superfamily Superfamily superfamilya.76.1 — Iron-dependent repressor protein, dimerization domain
Family Family familya.76.1.1 — Iron-dependent repressor protein, dimerization domain
Domain ID domain_idd1f5tc1
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.4.5.24 — Iron-dependent repressor protein
Domain ID domain_idd1f5tc2
Class classa — All alpha proteins
Fold Fold folda.76 — Iron-dependent repressor protein, dimerization domain
Superfamily Superfamily superfamilya.76.1 — Iron-dependent repressor protein, dimerization domain
Family Family familya.76.1.1 — Iron-dependent repressor protein, dimerization domain
Domain ID domain_idd1f5td1
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.4.5.24 — Iron-dependent repressor protein
Domain ID domain_idd1f5td2
Class classa — All alpha proteins
Fold Fold folda.76 — Iron-dependent repressor protein, dimerization domain
Superfamily Superfamily superfamilya.76.1 — Iron-dependent repressor protein, dimerization domain
Family Family familya.76.1.1 — Iron-dependent repressor protein, dimerization domain

CATH v4.4 (8 domains)

Domain ID domain_id1f5tA01
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_id1f5tA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology60 — Diphtheria Toxin Repressor; domain 2
Homologous superfamily homologous superfamily10 — Iron dependent repressor, metal binding and dimerisation domain
Domain ID domain_id1f5tB01
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_id1f5tB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology60 — Diphtheria Toxin Repressor; domain 2
Homologous superfamily homologous superfamily10 — Iron dependent repressor, metal binding and dimerisation domain
Domain ID domain_id1f5tC01
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_id1f5tC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology60 — Diphtheria Toxin Repressor; domain 2
Homologous superfamily homologous superfamily10 — Iron dependent repressor, metal binding and dimerisation domain
Domain ID domain_id1f5tD01
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_id1f5tD02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology60 — Diphtheria Toxin Repressor; domain 2
Homologous superfamily homologous superfamily10 — Iron dependent repressor, metal binding and dimerisation domain

8. Citations (1)

9. Files and Curves (10)