1mau

Crystal structure of Tryptophanyl-tRNA Synthetase Complexed with ATP and Tryptophanamide in a Pre-Transition state Conformation

Method: X-RAY DIFFRACTION Dmax: 78.3 Å Quality: GOOD

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

tryptophan-tRNA ligase

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 NA SODIUM ION × 2 MG MAGNESIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 LTN L-TRYPTOPHANAMIDE × 2 CIT CITRIC ACID × 2 GOL GLYCEROL × 6 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.5;310 K;sodium citrate, magnesium chloride, sodium ATP , l-tryptophanamide, pH 7.5, MICRODIALYSIS, temperature 310K Resolution 2.15 Å R-free 0.243

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 1mau

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1mau
Deposition date deposition_date2002-08-02
Structure title titleCrystal structure of Tryptophanyl-tRNA Synthetase Complexed with ATP and Tryptophanamide in a Pre-Transition state Conformation
Keywords keywordsAmino-acyl tRNA synthetase, Rossmann fold, atp binding site, pre-transition state, LIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.83
Radius of gyration Rg (electron density) rg_electron20.83
Forward intensity I(0) i025622700.00
Molecular weight molecular_weight38283.0 kDa
Excluded volume excluded_volume47815 ų
Envelope volume envelope_volume55012 ų
Hydration-shell volume shell_volume22292 ų
Envelope diameter envelope_diameter79.7
Shell Rg shell_rg27.42
Envelope Rg envelope_rg21.19
Shape Rg shape_rg20.83
Total Rg total_rg21.67
Total atoms total_atoms2684
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 dmax78.3
Rg (real space) rg_real21.82
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real2.5620e+07
I(0) uncertainty (real space) i0_real_error3.5330e+05
Rg (reciprocal space) rg_reciprocal21.82
I(0) (reciprocal space) i0_reciprocal25620000.0000
Solution quality estimate total_estimate0.8399
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.6
Skewness Skewness skewness0.415
Kurtosis Kurtosis kurtosis-0.063
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6400000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.680; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.918; Smooth: 0.957

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1maua_
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_id1mauA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id1mauA02
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)