1eiy

THE CRYSTAL STRUCTURE OF PHENYLALANYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS COMPLEXED WITH COGNATE TRNAPHE

Method: X-RAY DIFFRACTION Dmax: 166.6 Å Quality: GOOD

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

TRNA(PHE)

OrganismNot specified

UniProt Q5SGX1

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–RNA Heteromer Protein × 4 RNA 2 PDB declaration: hexameric(6) Consistent with all polymer counts Chain C; UniProt 1–76 Not recorded PHENYLALANYL-TRNA SYNTHETASE × 2 (P27001) PHENYLALANYL-TRNA SYNTHETASE × 2 (Q5SGX2) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;293 K;ammonium sulphate, magnesium sulphate, pH 7.2, VAPOR DIFFUSION, HANGING DROP at 293K Resolution 3.30 Å R-free 0.287

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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q5SGX1_THET8
Isoform
PDB entities 1
Chains and sequence ranges Author chain C; PDBConstruct 1–76; UniProt 1–76

PHENYLALANYL-TRNA SYNTHETASE

OrganismNot specified

UniProt P27001

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–RNA Heteromer Protein × 4 RNA 2 PDB declaration: hexameric(6) Consistent with all polymer counts Chain A; UniProt 1–350 Fragment:ALPHA CHAIN TRNA(PHE) × 2 (Q5SGX1) PHENYLALANYL-TRNA SYNTHETASE × 2 (Q5SGX2) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;293 K;ammonium sulphate, magnesium sulphate, pH 7.2, VAPOR DIFFUSION, HANGING DROP at 293K Resolution 3.30 Å R-free 0.287

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.

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYFA_THETH
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–350; UniProt 1–350

PHENYLALANYL-TRNA SYNTHETASE

OrganismNot specified

UniProt Q5SGX2

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–RNA Heteromer Protein × 4 RNA 2 PDB declaration: hexameric(6) Consistent with all polymer counts Chain B; UniProt 1–785 Fragment:BETA CHAIN TRNA(PHE) × 2 (Q5SGX1) PHENYLALANYL-TRNA SYNTHETASE × 2 (P27001) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;293 K;ammonium sulphate, magnesium sulphate, pH 7.2, VAPOR DIFFUSION, HANGING DROP at 293K Resolution 3.30 Å R-free 0.287

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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q5SGX2_THET8
Isoform
PDB entities 3
Chains and sequence ranges Author chain B; PDBConstruct 1–785; UniProt 1–785

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 1eiy

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1eiy
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1eiy
Deposition date deposition_date2000-02-29
Structure title titleTHE CRYSTAL STRUCTURE OF PHENYLALANYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS COMPLEXED WITH COGNATE TRNAPHE
Keywords keywordsaminoacyl-tRNA synthetase, tRNA recognition, LIGASE-RNA COMPLEX; LIGASE/RNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier42.58
Radius of gyration Rg (electron density) rg_electron43.55
Forward intensity I(0) i0407406000.00
Molecular weight molecular_weight149850.0 kDa
Excluded volume excluded_volume181270 ų
Envelope volume envelope_volume278430 ų
Hydration-shell volume shell_volume56223 ų
Envelope diameter envelope_diameter176.9
Shell Rg shell_rg44.85
Envelope Rg envelope_rg45.53
Shape Rg shape_rg43.50
Total Rg total_rg43.74
Total atoms total_atoms10485
Residues n_residues1206
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 dmax166.6
Rg (real space) rg_real43.01
Rg uncertainty (real space) rg_real_error2.26
I(0) (real space) i0_real4.0740e+08
I(0) uncertainty (real space) i0_real_error8.4130e+06
Rg (reciprocal space) rg_reciprocal42.58
I(0) (reciprocal space) i0_reciprocal407200000.0000
Solution quality estimate total_estimate0.7957
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary49.5
Skewness Skewness skewness0.733
Kurtosis Kurtosis kurtosis0.594
Angular range angular_range— – 0.1850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha27420000.0000
Real-space data points n_real_points38
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.528; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.806; Smooth: 0.950

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd1eiya1
Class classa — All alpha proteins
Fold Fold folda.2 — Long alpha-hairpin
Superfamily Superfamily superfamilya.2.7 — tRNA-binding arm
Family Family familya.2.7.2 — Phenylalanyl-tRNA synthetase (PheRS)
Domain ID domain_idd1eiya2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.104 — Class II aaRS and biotin synthetases
Superfamily Superfamily superfamilyd.104.1 — Class II aaRS and biotin synthetases
Family Family familyd.104.1.1 — Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain
Domain ID domain_idd1eiyb1
Class classa — All alpha proteins
Fold Fold folda.6 — Putative DNA-binding domain
Superfamily Superfamily superfamilya.6.1 — Putative DNA-binding domain
Family Family familya.6.1.1 — Domains B1 and B5 of PheRS-beta, PheT
Domain ID domain_idd1eiyb2
Class classa — All alpha proteins
Fold Fold folda.6 — Putative DNA-binding domain
Superfamily Superfamily superfamilya.6.1 — Putative DNA-binding domain
Family Family familya.6.1.1 — Domains B1 and B5 of PheRS-beta, PheT
Domain ID domain_idd1eiyb3
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
Family Family familyb.40.4.4 — Myf domain
Domain ID domain_idd1eiyb4
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.13 — Anticodon-binding domain of PheRS
Family Family familyd.58.13.1 — Anticodon-binding domain of PheRS
Domain ID domain_idd1eiyb5
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.104 — Class II aaRS and biotin synthetases
Superfamily Superfamily superfamilyd.104.1 — Class II aaRS and biotin synthetases
Family Family familyd.104.1.1 — Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain
Domain ID domain_idd1eiyb6
Class classb — All beta proteins
Fold Fold foldb.153 — PheT/TilS domain
Superfamily Superfamily superfamilyb.153.1 — PheT/TilS domain
Family Family familyb.153.1.1 — B3/B4 domain of PheRS, PheT

CATH v4.4 (7 domains)

Domain ID domain_id1eiyA00
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_id1eiyB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology56 — Phenylalanyl-tRNA Synthetase; Chain B, domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1eiyB02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily140 — Nucleic acid-binding proteins
Domain ID domain_id1eiyB03
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology40 — Phenylalanyl-tRNA Synthetase; Chain B, domain 3
Homologous superfamily homologous superfamily10 — Phenylalanyl-trna Synthetase, Chain B, domain 3
Domain ID domain_id1eiyB04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology56 — Phenylalanyl-tRNA Synthetase; Chain B, domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1eiyB05
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_id1eiyB06
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily380 — Ferrodoxin-fold anticodon-binding domain

8. Citations (1)

9. Files and Curves (10)