3nyz

Crystal Structure of Kemp Elimination Catalyst 1A53-2

Method: X-RAY DIFFRACTION Dmax: 86.1 Å Quality: REASONABLE

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

Indole-3-glycerol phosphate synthase

Sulfolobus solfataricus

UniProt Q06121

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–248 Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;298 K;0.1 bis-tris, 0.2 M ammonium acetate, 25% PEG 3350, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 1.51 Å R-free 0.251
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–248 Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;298 K;0.1 bis-tris, 0.2 M ammonium acetate, 25% PEG 3350, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 1.51 Å R-free 0.251

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.

17 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRPC_SULSO
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–248; UniProt 1–248 Author chain B; PDBConstruct 1–248; UniProt 1–248

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 3nyz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3nyz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3nyz
Deposition date deposition_date2010-07-15
Structure title titleCrystal Structure of Kemp Elimination Catalyst 1A53-2
Keywords keywordsTim Barrel, Kemp Elimination Enzyme, Lyase; LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.06
Radius of gyration Rg (electron density) rg_electron25.28
Forward intensity I(0) i050811500.00
Molecular weight molecular_weight56872.0 kDa
Excluded volume excluded_volume71959 ų
Envelope volume envelope_volume82326 ų
Hydration-shell volume shell_volume27762 ų
Envelope diameter envelope_diameter86.0
Shell Rg shell_rg32.16
Envelope Rg envelope_rg25.37
Shape Rg shape_rg25.26
Total Rg total_rg26.12
Total atoms total_atoms4004
Residues n_residues494
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 dmax86.1
Rg (real space) rg_real26.15
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real5.0810e+07
I(0) uncertainty (real space) i0_real_error6.8770e+05
Rg (reciprocal space) rg_reciprocal26.12
I(0) (reciprocal space) i0_reciprocal50810000.0000
Solution quality estimate total_estimate0.6606
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary28.2
Skewness Skewness skewness0.463
Kurtosis Kurtosis kurtosis-0.363
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha28440000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.781; Stabil: 1.000; Sysdev: 0.105; Positv: 1.000; Valcen: 0.964; Smooth: 0.961

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3nyza_
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.1.2.4 — Tryptophan biosynthesis enzymes
Domain ID domain_idd3nyzb_
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.1.2.4 — Tryptophan biosynthesis enzymes

CATH v4.4 (2 domains)

Domain ID domain_id3nyzA00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id3nyzB00
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)