1mb2

Crystal Structure of Tryptophanyl-tRNA Synthetase Complexed with Tryptophan in an Open Conformation

Method: X-RAY DIFFRACTION Dmax: 182.6 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 Chain D; UniProt 1–328 Not recorded TRP TRYPTOPHAN × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 6.6;310 K;potassium phosphate, l-tryptophan, pH 6.6, MICRODIALYSIS, temperature 310K Resolution 2.70 Å R-free 0.254
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–328 Chain E; UniProt 1–328 Not recorded TRP TRYPTOPHAN × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 6.6;310 K;potassium phosphate, l-tryptophan, pH 6.6, MICRODIALYSIS, temperature 310K Resolution 2.70 Å R-free 0.254
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–328 Chain F; UniProt 1–328 Not recorded TRP TRYPTOPHAN × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 6.6;310 K;potassium phosphate, l-tryptophan, pH 6.6, MICRODIALYSIS, temperature 310K Resolution 2.70 Å R-free 0.254

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 30 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 Author chain B; PDBConstruct 1–328; UniProt 1–328 Author chain C; PDBConstruct 1–328; UniProt 1–328 Author chain D; PDBConstruct 1–328; UniProt 1–328 Author chain E; PDBConstruct 1–328; UniProt 1–328 Author chain F; 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 1mb2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1mb2
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1mb2
Deposition date deposition_date2002-08-02
Structure title titleCrystal Structure of Tryptophanyl-tRNA Synthetase Complexed with Tryptophan in an Open Conformation
Keywords keywordsAminoacyl-tRNA Synthetase, Rossmann fold, amino acid binding site, LIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier50.89
Radius of gyration Rg (electron density) rg_electron50.95
Forward intensity I(0) i0692890000.00
Molecular weight molecular_weight219880.0 kDa
Excluded volume excluded_volume275910 ų
Envelope volume envelope_volume387710 ų
Hydration-shell volume shell_volume65909 ų
Envelope diameter envelope_diameter191.8
Shell Rg shell_rg51.61
Envelope Rg envelope_rg50.12
Shape Rg shape_rg50.95
Total Rg total_rg50.97
Total atoms total_atoms15468
Residues n_residues1956
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 dmax182.6
Rg (real space) rg_real50.95
Rg uncertainty (real space) rg_real_error2.56
I(0) (real space) i0_real6.9290e+08
I(0) uncertainty (real space) i0_real_error1.4810e+07
Rg (reciprocal space) rg_reciprocal50.84
I(0) (reciprocal space) i0_reciprocal692800000.0000
Solution quality estimate total_estimate0.8601
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary70.7
Skewness Skewness skewness0.306
Kurtosis Kurtosis kurtosis-0.287
Angular range angular_range— – 0.1550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha45600000.0000
Real-space data points n_real_points32
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.779; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.918; Smooth: 0.922

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1mb2a_
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
Domain ID domain_idd1mb2b_
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
Domain ID domain_idd1mb2c_
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
Domain ID domain_idd1mb2d_
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
Domain ID domain_idd1mb2e_
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
Domain ID domain_idd1mb2f_
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 (12 domains)

Domain ID domain_id1mb2A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id1mb2A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily10 — Tyrosyl-Transfer RNA Synthetase
Domain ID domain_id1mb2B01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id1mb2B02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily10 — Tyrosyl-Transfer RNA Synthetase
Domain ID domain_id1mb2C01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id1mb2C02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily10 — Tyrosyl-Transfer RNA Synthetase
Domain ID domain_id1mb2D01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id1mb2D02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily10 — Tyrosyl-Transfer RNA Synthetase
Domain ID domain_id1mb2E01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id1mb2E02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily10 — Tyrosyl-Transfer RNA Synthetase
Domain ID domain_id1mb2F01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id1mb2F02
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)