6rtz

Light-Regulation of Imidazole Glycerol Phosphate Synthase by Interference with its Allosteric Machinery through Photo-Sensitive Unnatural Amino Acids

Method: X-RAY DIFFRACTION Dmax: 78.9 Å Quality: REASONABLE

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

Imidazole glycerol phosphate synthase subunit HisF

Thermotoga maritima

UniProt Q9X0C6

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–253 Not recorded Imidazole glycerol phosphate synthase subunit HisH × 1 (Q9X0C8) PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;PEG Resolution 2.87 Å R-free 0.336

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.

24 other PDB entries and 40 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HIS6_THEMA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–253; UniProt 1–253

Imidazole glycerol phosphate synthase subunit HisH

Thermotoga maritima

UniProt Q9X0C8

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–201 Not recorded Imidazole glycerol phosphate synthase subunit HisF × 1 (Q9X0C6) PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;PEG Resolution 2.87 Å R-free 0.336

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 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HIS5_THEMA
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–201; UniProt 1–201

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 6rtz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6rtz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6rtz
Deposition date deposition_date2019-05-27
Structure title titleLight-Regulation of Imidazole Glycerol Phosphate Synthase by Interference with its Allosteric Machinery through Photo-Sensitive Unnatural Amino Acids
Keywords keywords;unnatural amino acids, phenylalanine-4'-azobenzene (AzoF), o-nitropiperonyl-O-tyrosine (NPY), lyase ;; LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.56
Radius of gyration Rg (electron density) rg_electron22.35
Forward intensity I(0) i041823500.00
Molecular weight molecular_weight50487.0 kDa
Excluded volume excluded_volume63465 ų
Envelope volume envelope_volume73283 ų
Hydration-shell volume shell_volume26923 ų
Envelope diameter envelope_diameter78.2
Shell Rg shell_rg29.63
Envelope Rg envelope_rg22.54
Shape Rg shape_rg22.35
Total Rg total_rg23.24
Total atoms total_atoms3553
Residues n_residues452
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 dmax78.9
Rg (real space) rg_real23.49
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real4.1820e+07
I(0) uncertainty (real space) i0_real_error4.9570e+05
Rg (reciprocal space) rg_reciprocal23.51
I(0) (reciprocal space) i0_reciprocal41820000.0000
Solution quality estimate total_estimate0.6464
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.4
Skewness Skewness skewness0.300
Kurtosis Kurtosis kurtosis-0.322
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0119
Highest regularization parameter α highest_alpha13900000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.801; Stabil: 1.000; Sysdev: 0.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6rtza_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.2 — Ribulose-phoshate binding barrel
Family Family familyc.1.2.1 — Histidine biosynthesis enzymes
Domain ID domain_idd6rtzb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.16 — Class I glutamine amidotransferase-like
Family Family familyc.23.16.1 — Class I glutamine amidotransferases (GAT)

CATH v4.4 (2 domains)

Domain ID domain_id6rtzA00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id6rtzB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily880 — Class I glutamine amidotransferase (GATase) domain

8. Citations (1)

9. Files and Curves (10)