4ncx

Crystal Structure of Prolyl-tRNA synthetase (ProRS, Proline--tRNA ligase) from Plasmodium falciparum 3D7

Method: X-RAY DIFFRACTION Dmax: 108.0 Å Quality: GOOD

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

Proline--tRNA ligase

Plasmodium falciparum 3D7

UniProt Q8I5R7

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 249–746 Chain B; UniProt 249–746 Fragment:C-terimus residues 249-746 EDO 1,2-ETHANEDIOL × 6 CL CHLORIDE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;289 K;Morpheus(b2): 0.1M each MES, Imidazole, pH 6.5, 0.09M each NaF, NaBr, NaI, 30% ethylene glycol, PEG-8000 and 5mM L-Proline, 5mM ATP, VAPOR DIFFUSION, SITTING DROP, temperature 289K Resolution 1.85 Å R-free 0.206

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 25 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYP_PLAF7
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 9–506; UniProt 249–746 Author chain B; PDBConstruct 9–506; UniProt 249–746

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 4ncx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4ncx
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4ncx
Deposition date deposition_date2013-10-25
Structure title titleCrystal Structure of Prolyl-tRNA synthetase (ProRS, Proline--tRNA ligase) from Plasmodium falciparum 3D7
Keywords keywords;Structural Genomics, NIAID, National Institute of Allergy and Infectious Diseases, Seattle Structural Genomics Center for Infectious Disease, SSGCID, ligase, Prolyl-tRNA synthetase ;; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.24
Radius of gyration Rg (electron density) rg_electron31.14
Forward intensity I(0) i0153352000.00
Molecular weight molecular_weight100950.0 kDa
Excluded volume excluded_volume127140 ų
Envelope volume envelope_volume156580 ų
Hydration-shell volume shell_volume41634 ų
Envelope diameter envelope_diameter113.6
Shell Rg shell_rg38.33
Envelope Rg envelope_rg31.13
Shape Rg shape_rg31.10
Total Rg total_rg31.89
Total atoms total_atoms7111
Residues n_residues882
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 dmax108.0
Rg (real space) rg_real32.11
Rg uncertainty (real space) rg_real_error0.78
I(0) (real space) i0_real1.5340e+08
I(0) uncertainty (real space) i0_real_error2.3960e+06
Rg (reciprocal space) rg_reciprocal32.17
I(0) (reciprocal space) i0_reciprocal153400000.0000
Solution quality estimate total_estimate0.8922
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary37.5
Skewness Skewness skewness0.176
Kurtosis Kurtosis kurtosis-0.552
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha21390000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.868; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id4ncxA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology930 — BirA Bifunctional Protein; domain 2
Homologous superfamily homologous superfamily10 — Bira Bifunctional Protein; Domain 2
Domain ID domain_id4ncxA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily800 — Anticodon-binding domain
Domain ID domain_id4ncxA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily30 — C-terminal domain of ProRS
Domain ID domain_id4ncxB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology930 — BirA Bifunctional Protein; domain 2
Homologous superfamily homologous superfamily10 — Bira Bifunctional Protein; Domain 2
Domain ID domain_id4ncxB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily800 — Anticodon-binding domain
Domain ID domain_id4ncxB03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily30 — C-terminal domain of ProRS

8. Citations (1)

9. Files and Curves (10)