9xs9

Crystal structure of a cupin protein (tm1459, R39K/H52A/H54A/H92A/C106E mutant) in ruthenium(p-cymene) bound form

Method: X-RAY DIFFRACTION Dmax: 63.1 Å Quality: GOOD

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

Cupin type-2 domain-containing protein

Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)

UniProt Q9X1H0

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–114 Chain B; UniProt 1–114 Mutation:R39K/H52A/H54A/H92A/C106E MML 1-methyl-4-(1-methylethyl)benzene × 2 RU RUTHENIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;25% w/v Jeffamine ED-2001, 0.1M MES Resolution 1.09 Å R-free 0.161

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.

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

View Construct and Data Evidence
UniProt name Q9X1H0_THEMA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–118; UniProt 1–114 Author chain B; PDBConstruct 5–118; UniProt 1–114

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 9xs9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9xs9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9xs9
Deposition date deposition_date2025-11-20
最后修订 last_revision2026-04-29
Structure title titleCrystal structure of a cupin protein (tm1459, R39K/H52A/H54A/H92A/C106E mutant) in ruthenium(p-cymene) bound form
Keywords keywordsArtificial metalloenzymes, Biocatalysis, Ruthenium(p-cymene), METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.84
Radius of gyration Rg (electron density) rg_electron17.27
Forward intensity I(0) i011473200.00
Molecular weight molecular_weight26357.0 kDa
Excluded volume excluded_volume33442 ų
Envelope volume envelope_volume37459 ų
Hydration-shell volume shell_volume17999 ų
Envelope diameter envelope_diameter62.1
Shell Rg shell_rg23.59
Envelope Rg envelope_rg17.57
Shape Rg shape_rg17.26
Total Rg total_rg18.32
Total atoms total_atoms3690
Residues n_residues232
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 dmax63.1
Rg (real space) rg_real18.74
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real1.1470e+07
I(0) uncertainty (real space) i0_real_error1.3850e+05
Rg (reciprocal space) rg_reciprocal18.76
I(0) (reciprocal space) i0_reciprocal11470000.0000
Solution quality estimate total_estimate0.8755
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary23.7
Skewness Skewness skewness0.212
Kurtosis Kurtosis kurtosis-0.349
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3090000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.794; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)