2iy5

PHENYLALANYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS complexed with tRNA and a phenylalanyl-adenylate analog

Method: X-RAY DIFFRACTION Dmax: 176.5 Å Quality: GOOD

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

PHENYLALANYL-TRNA SYNTHETASE ALPHA CHAIN

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 Not recorded PHENYLALANYL-TRNA SYNTHETASE BETA CHAIN × 2 (P27002) TRNAPHE × 2 FYA ADENOSINE-5'-[PHENYLALANINOL-PHOSPHATE] × 2 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.8;277 K;20 MM IMIDAZOLE-HCL, PH 7.8, 1 MM MGCL2, 5 MM 2-MERCAPTOETHANOL AND 1 MM NAN3 Resolution 3.10 Å R-free 0.299

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 1
Chains and sequence ranges Author chain A; PDBConstruct 1–350; UniProt 1–350

PHENYLALANYL-TRNA SYNTHETASE BETA CHAIN

OrganismNot specified

UniProt P27002

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 Not recorded PHENYLALANYL-TRNA SYNTHETASE ALPHA CHAIN × 2 (P27001) TRNAPHE × 2 FYA ADENOSINE-5'-[PHENYLALANINOL-PHOSPHATE] × 2 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.8;277 K;20 MM IMIDAZOLE-HCL, PH 7.8, 1 MM MGCL2, 5 MM 2-MERCAPTOETHANOL AND 1 MM NAN3 Resolution 3.10 Å R-free 0.299

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.

8 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYFB_THETH
Isoform
PDB entities 2
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 2iy5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2iy5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2iy5
Deposition date deposition_date2006-07-12
Structure title titlePHENYLALANYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS complexed with tRNA and a phenylalanyl-adenylate analog
Keywords keywords;CLASS II AMINOACYL-TRNA SYNTHETASE, LIGASE, RBD DOMIN, MAGNESIUM, SH3 DOMAIN, PHENYLALANYL-TRNA SYNTHETASE, THERMUS THERMOPHILUS, PROTEIN BIOSYNTHESIS, METAL-BINDING, NUCLEOTIDE-BINDING, RNA-BINDING, ATP-BINDING, TRNA-BINDING, HELIX-TURN-HELIX MOTIF, AMINOACYL-TRNA SYNTHETASE ;; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier49.68
Radius of gyration Rg (electron density) rg_electron48.66
Forward intensity I(0) i0396887000.00
Molecular weight molecular_weight148890.0 kDa
Excluded volume excluded_volume180110 ų
Envelope volume envelope_volume280110 ų
Hydration-shell volume shell_volume53515 ų
Envelope diameter envelope_diameter171.6
Shell Rg shell_rg45.77
Envelope Rg envelope_rg48.09
Shape Rg shape_rg48.47
Total Rg total_rg49.10
Total atoms total_atoms10418
Residues n_residues1193
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 dmax176.5
Rg (real space) rg_real50.44
Rg uncertainty (real space) rg_real_error2.19
I(0) (real space) i0_real3.9690e+08
I(0) uncertainty (real space) i0_real_error7.5810e+06
Rg (reciprocal space) rg_reciprocal49.69
I(0) (reciprocal space) i0_reciprocal396500000.0000
Solution quality estimate total_estimate0.7815
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary33.1
Skewness Skewness skewness0.478
Kurtosis Kurtosis kurtosis-0.594
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18210000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.632; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.535; Smooth: 0.723

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd2iy5a1
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_idd2iy5a2
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_idd2iy5b1
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_idd2iy5b2
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_idd2iy5b3
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_idd2iy5b4
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
Domain ID domain_idd2iy5b5
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_idd2iy5b6
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

CATH v4.4 (7 domains)

Domain ID domain_id2iy5A00
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_id2iy5B01
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_id2iy5B02
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_id2iy5B03
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_id2iy5B04
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_id2iy5B05
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_id2iy5B06
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)