1juk

INDOLE-3-GLYCEROLPHOSPHATE SYNTHASE FROM SULFOLOBUS SOLFATARICUS IN A TRIGONAL CRYSTAL FORM

Method: X-RAY DIFFRACTION Dmax: 54.6 Å Quality: GOOD

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:pH 6;pH 6.0 Resolution 2.50 Å

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 20 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

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 1juk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1juk
Deposition date deposition_date1996-05-03
Structure title titleINDOLE-3-GLYCEROLPHOSPHATE SYNTHASE FROM SULFOLOBUS SOLFATARICUS IN A TRIGONAL CRYSTAL FORM
Keywords keywordsTHERMOPHILE, TIM-BARREL, TRYPTOPHAN BIOSYNTHESIS, LYASE; LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.26
Radius of gyration Rg (electron density) rg_electron16.92
Forward intensity I(0) i013663900.00
Molecular weight molecular_weight28553.0 kDa
Excluded volume excluded_volume36135 ų
Envelope volume envelope_volume40146 ų
Hydration-shell volume shell_volume19198 ų
Envelope diameter envelope_diameter53.9
Shell Rg shell_rg23.77
Envelope Rg envelope_rg17.11
Shape Rg shape_rg16.92
Total Rg total_rg17.95
Total atoms total_atoms2008
Residues n_residues247
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 dmax54.6
Rg (real space) rg_real18.10
Rg uncertainty (real space) rg_real_error0.22
I(0) (real space) i0_real1.3660e+07
I(0) uncertainty (real space) i0_real_error1.6200e+05
Rg (reciprocal space) rg_reciprocal18.12
I(0) (reciprocal space) i0_reciprocal13660000.0000
Solution quality estimate total_estimate0.8970
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.1
Skewness Skewness skewness-0.001
Kurtosis Kurtosis kurtosis-0.499
Angular range angular_range— – 0.4350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5801000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.901; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.964; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1juka_
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 (1 domains)

Domain ID domain_id1jukA00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I

8. Citations (2)

9. Files and Curves (10)