2ov4

Crystal structure of B. stearothermophilus tryptophanyl tRNA synthetase in complex with adenosine tetraphosphate

Method: X-RAY DIFFRACTION Dmax: 80.1 Å Quality: GOOD

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

Tryptophanyl-tRNA synthetase

Geobacillus stearothermophilus

UniProt P00953

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 1–328 Not recorded CS CESIUM ION × 2 AQP ADENOSINE-5'-TETRAPHOSPHATE × 2 ANL ANILINE × 2 GOL GLYCEROL × 4 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.5;310 K;SODIUM CITRATE 1M, MAGRNESIUM ACETATE 10MM, ADENOSINE TETRAPHOSPHATE 10MM, PH 7.50, MICRODIALYSIS, temperature 310K Resolution 2.50 Å R-free 0.258

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.

14 other PDB entries and 32 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYW_BACST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–328; UniProt 1–328

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 2ov4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ov4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2ov4
Deposition date deposition_date2007-02-12
Structure title titleCrystal structure of B. stearothermophilus tryptophanyl tRNA synthetase in complex with adenosine tetraphosphate
Keywords keywordsAMINOACYL-TRNA SYNTHETASE, NUCLEOTIDE BINDING SITE, ROSSMANN FOLD, TRANSITION STATE ANALOG INHIBITOR, LIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.87
Radius of gyration Rg (electron density) rg_electron20.90
Forward intensity I(0) i025403800.00
Molecular weight molecular_weight38171.0 kDa
Excluded volume excluded_volume47663 ų
Envelope volume envelope_volume55343 ų
Hydration-shell volume shell_volume22330 ų
Envelope diameter envelope_diameter80.4
Shell Rg shell_rg27.48
Envelope Rg envelope_rg21.32
Shape Rg shape_rg20.91
Total Rg total_rg21.73
Total atoms total_atoms2668
Residues n_residues328
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 dmax80.1
Rg (real space) rg_real21.88
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real2.5400e+07
I(0) uncertainty (real space) i0_real_error3.7270e+05
Rg (reciprocal space) rg_reciprocal21.88
I(0) (reciprocal space) i0_reciprocal25400000.0000
Solution quality estimate total_estimate0.8303
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.9
Skewness Skewness skewness0.425
Kurtosis Kurtosis kurtosis-0.044
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6367000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.636; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.883; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2ov4a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.26 — Adenine nucleotide alpha hydrolase-like
Superfamily Superfamily superfamilyc.26.1 — Nucleotidylyl transferase
Family Family familyc.26.1.1 — Class I aminoacyl-tRNA synthetases (RS), catalytic domain

CATH v4.4 (2 domains)

Domain ID domain_id2ov4A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id2ov4A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily10 — Tyrosyl-Transfer RNA Synthetase

8. Citations (1)

9. Files and Curves (10)