6ru0

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

Method: X-RAY DIFFRACTION Dmax: 113.0 Å Quality: GOOD

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 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;PEG Resolution 2.65 Å R-free 0.272
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–253 Not recorded Imidazole glycerol phosphate synthase subunit HisH × 1 (Q9X0C8) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;PEG Resolution 2.65 Å R-free 0.272
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 1–253 Not recorded Imidazole glycerol phosphate synthase subunit HisH × 1 (Q9X0C8) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;PEG Resolution 2.65 Å R-free 0.272

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 38 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 Author chain C; PDBConstruct 1–253; UniProt 1–253 Author chain E; 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 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;PEG Resolution 2.65 Å R-free 0.272
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–201 Not recorded Imidazole glycerol phosphate synthase subunit HisF × 1 (Q9X0C6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;PEG Resolution 2.65 Å R-free 0.272
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 1–201 Not recorded Imidazole glycerol phosphate synthase subunit HisF × 1 (Q9X0C6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;PEG Resolution 2.65 Å R-free 0.272

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 19 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 Author chain D; PDBConstruct 1–201; UniProt 1–201 Author chain F; 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 6ru0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6ru0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6ru0
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_guinier39.21
Radius of gyration Rg (electron density) rg_electron38.42
Forward intensity I(0) i0333877000.00
Molecular weight molecular_weight151390.0 kDa
Excluded volume excluded_volume190690 ų
Envelope volume envelope_volume246370 ų
Hydration-shell volume shell_volume53036 ų
Envelope diameter envelope_diameter124.5
Shell Rg shell_rg44.71
Envelope Rg envelope_rg37.62
Shape Rg shape_rg38.41
Total Rg total_rg38.84
Total atoms total_atoms10663
Residues n_residues1358
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 dmax113.0
Rg (real space) rg_real39.03
Rg uncertainty (real space) rg_real_error0.70
I(0) (real space) i0_real3.3390e+08
I(0) uncertainty (real space) i0_real_error5.6400e+06
Rg (reciprocal space) rg_reciprocal39.15
I(0) (reciprocal space) i0_reciprocal333900000.0000
Solution quality estimate total_estimate0.8575
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary53.7
Skewness Skewness skewness0.104
Kurtosis Kurtosis kurtosis-0.692
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha69100000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.995; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.158

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd6ru0a_
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_idd6ru0b_
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)
Domain ID domain_idd6ru0c_
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_idd6ru0d_
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)
Domain ID domain_idd6ru0e_
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_idd6ru0f_
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 (6 domains)

Domain ID domain_id6ru0A00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id6ru0B00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily880 — Class I glutamine amidotransferase (GATase) domain
Domain ID domain_id6ru0C00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id6ru0D00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily880 — Class I glutamine amidotransferase (GATase) domain
Domain ID domain_id6ru0E00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id6ru0F00
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)