1gzg

Complex of a Mg2-dependent porphobilinogen synthase from Pseudomonas aeruginosa (mutant D139N) with 5-fluorolevulinic acid

Method: X-RAY DIFFRACTION Dmax: 83.5 Å Quality: GOOD

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

DELTA-AMINOLEVULINIC ACID DEHYDRATASE

PSEUDOMONAS AERUGINOSA

UniProt Q59643

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 homooligomer Homooligomer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 1–337 Chain B; UniProt 1–337 Mutation:YES LAF 5-FLUOROLEVULINIC ACID × 16 MG MAGNESIUM ION × 8 NA SODIUM ION × 8 SO4 SULFATE ION × 8 K POTASSIUM ION × 8 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 9;PROTEIN SOLUTION: 12 MG/ML PBGS MUTANT D139N IN 50 MM K-HEPES, 10 MM MGCL2. CRYSTALLIZATION SOLUTION: 0.99 ML PROTEIN SOLUTION = 0.01 ML 2MM 5F-LA IN 50 MM K-HEPES, 10 MM MGCL2. RESERVOIR SOLUTION: 1 M NA/K-TARTRATE, 0.2M LI2SO4, 0.1 M CHES PH = 9,5. SITTING DROP: 0.003 ML CRYSTALLISATION SOLUTION + 0.003 ML RESERVOIR SOLUTION Resolution 1.66 Å R-free 0.198

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.

15 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HEM2_PSEAE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–337; UniProt 1–337 Author chain B; PDBConstruct 1–337; UniProt 1–337

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 1gzg

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1gzg
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1gzg
Deposition date deposition_date2002-05-21
Structure title titleComplex of a Mg2-dependent porphobilinogen synthase from Pseudomonas aeruginosa (mutant D139N) with 5-fluorolevulinic acid
Keywords keywordsLYASE, HEME BIOSYNTHESIS, 5-FLUOROLEVULINIC ACID; LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.20
Radius of gyration Rg (electron density) rg_electron26.07
Forward intensity I(0) i087724100.00
Molecular weight molecular_weight72571.0 kDa
Excluded volume excluded_volume90453 ų
Envelope volume envelope_volume103950 ų
Hydration-shell volume shell_volume32910 ų
Envelope diameter envelope_diameter87.4
Shell Rg shell_rg34.06
Envelope Rg envelope_rg26.32
Shape Rg shape_rg26.08
Total Rg total_rg26.83
Total atoms total_atoms5099
Residues n_residues652
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 dmax83.5
Rg (real space) rg_real27.18
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real8.7720e+07
I(0) uncertainty (real space) i0_real_error1.0710e+06
Rg (reciprocal space) rg_reciprocal27.19
I(0) (reciprocal space) i0_reciprocal87720000.0000
Solution quality estimate total_estimate0.8937
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.2
Skewness Skewness skewness0.349
Kurtosis Kurtosis kurtosis-0.438
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22540000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.933; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.815

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1gzga_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.10 — Aldolase
Family Family familyc.1.10.3 — 5-aminolaevulinate dehydratase, ALAD (porphobilinogen synthase)
Domain ID domain_idd1gzgb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.10 — Aldolase
Family Family familyc.1.10.3 — 5-aminolaevulinate dehydratase, ALAD (porphobilinogen synthase)

CATH v4.4 (2 domains)

Domain ID domain_id1gzgA00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id1gzgB00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I

8. Citations (1)

9. Files and Curves (10)