2wjz

Crystal structure of (HisH) K181A Y138A mutant of imidazoleglycerolphosphate synthase (HisH HisF) which displays constitutive glutaminase activity

Method: X-RAY DIFFRACTION Dmax: 117.4 Å Quality: EXCELLENT

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

IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE 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:pH 8.5;PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML Resolution 2.60 Å R-free 0.218
2 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:pH 8.5;PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML Resolution 2.60 Å R-free 0.218
3 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:pH 8.5;PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML Resolution 2.60 Å R-free 0.218

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 Mutation:YES IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE HISF × 1 (Q9X0C6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML Resolution 2.60 Å R-free 0.218
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 1–201 Mutation:YES IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE HISF × 1 (Q9X0C6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML Resolution 2.60 Å R-free 0.218
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–201 Mutation:YES IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE HISF × 1 (Q9X0C6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML Resolution 2.60 Å R-free 0.218

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 2wjz

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2wjz
Deposition date deposition_date2009-06-02
Structure title titleCrystal structure of (HisH) K181A Y138A mutant of imidazoleglycerolphosphate synthase (HisH HisF) which displays constitutive glutaminase activity
Keywords keywordsLYASE-TRANSFERASE COMPLEX, AMINO-ACID BIOSYNTHESIS, AMMONIA CHANNEL, HISTIDINE BIOSYNTHESIS, CYCLASE, GLUTAMINASE; LYASE/TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.87
Radius of gyration Rg (electron density) rg_electron37.17
Forward intensity I(0) i0297882000.00
Molecular weight molecular_weight141800.0 kDa
Excluded volume excluded_volume178040 ų
Envelope volume envelope_volume232940 ų
Hydration-shell volume shell_volume51081 ų
Envelope diameter envelope_diameter116.6
Shell Rg shell_rg44.70
Envelope Rg envelope_rg36.00
Shape Rg shape_rg37.17
Total Rg total_rg37.67
Total atoms total_atoms9994
Residues n_residues1324
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 dmax117.4
Rg (real space) rg_real37.66
Rg uncertainty (real space) rg_real_error0.86
I(0) (real space) i0_real2.9790e+08
I(0) uncertainty (real space) i0_real_error4.8010e+06
Rg (reciprocal space) rg_reciprocal37.79
I(0) (reciprocal space) i0_reciprocal297900000.0000
Solution quality estimate total_estimate0.9094
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary53.1
Skewness Skewness skewness0.054
Kurtosis Kurtosis kurtosis-0.708
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha73920000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.950; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.970

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_idd2wjza_
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_idd2wjzb_
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_idd2wjzc_
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_idd2wjzd_
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_idd2wjze_
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_idd2wjzf_
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_id2wjzA00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2wjzB00
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_id2wjzC00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2wjzD00
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_id2wjzE00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2wjzF00
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)