8gog

Structure of streptavidin mutant (S112Y-K121E) complexed with biotin-cyclopentadienyl-rhodium (III)(Cp*-Rh(III))

Method: X-RAY DIFFRACTION Dmax: 69.4 Å Quality: REASONABLE

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

Streptavidin

Streptomyces avidinii

UniProt P22629

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 39–157 Chain B; UniProt 39–157 Mutation:S112Y,K121E RH3 RHODIUM(III) ION × 8 JSU trichloro((3~{a}~{S},4~{S},6~{a}~{R})-4-[(5~{R})-5-oxidanyl-5-[2-(2,3,4,5-tetramethylcyclopenta-2,4-dien-1-ylidene)ethylamino]pentyl]-1,3,3~{a},4,6,6~{a}-hexahydrothieno[3,4-d]imidazol-2-one)rhodium(3+) × 4 GOL GLYCEROL × 18 CL CHLORIDE ION × 8 SO4 SULFATE ION × 10 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.7;291 K;0.2 M sodium sulfate pH 6.7 with 20% w/v PEG 3350 Resolution 2.00 Å R-free 0.294

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.

312 other PDB entries and 368 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SAV_STRAV
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–121; UniProt 39–157 Author chain B; PDBConstruct 3–121; UniProt 39–157

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 8gog

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8gog
Deposition date deposition_date2022-08-24
Structure title titleStructure of streptavidin mutant (S112Y-K121E) complexed with biotin-cyclopentadienyl-rhodium (III)(Cp*-Rh(III))
Keywords keywordsStreptavidin, Biotin, Rhodium, Enantioselectivity, Protein Engineering, Enzyme, 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_guinier18.55
Radius of gyration Rg (electron density) rg_electron17.15
Forward intensity I(0) i017166600.00
Molecular weight molecular_weight28578.0 kDa
Excluded volume excluded_volume34354 ų
Envelope volume envelope_volume39653 ų
Hydration-shell volume shell_volume18727 ų
Envelope diameter envelope_diameter59.0
Shell Rg shell_rg23.96
Envelope Rg envelope_rg17.64
Shape Rg shape_rg17.02
Total Rg total_rg18.41
Total atoms total_atoms1965
Residues n_residues242
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 dmax69.4
Rg (real space) rg_real18.43
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real1.7170e+07
I(0) uncertainty (real space) i0_real_error2.1020e+05
Rg (reciprocal space) rg_reciprocal18.45
I(0) (reciprocal space) i0_reciprocal17170000.0000
Solution quality estimate total_estimate0.6036
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary22.8
Skewness Skewness skewness0.143
Kurtosis Kurtosis kurtosis-0.464
Angular range angular_range— – 0.4300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6124000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.568; Stabil: 1.000; Sysdev: 0.391; Positv: 1.000; Valcen: 0.967; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)