2y6z

Crystallographic structure of GM23 an example of Catalytic migration from TIM to thiamin phosphate synthase.

Method: X-RAY DIFFRACTION Dmax: 63.4 Å Quality: GOOD

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

TRIOSE-PHOSPHATE ISOMERASE

TRYPANOSOMA BRUCEI BRUCEI

UniProt P04789

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–250 Mutation:YES TPS THIAMIN PHOSPHATE × 2 POP PYROPHOSPHATE 2- × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;PROTEIN WAS CRYSTALLIZED FROM 2 M LI2SO4, 100 MM MES, PH 6.5 Resolution 2.60 Å R-free 0.235

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.

48 other PDB entries and 80 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TPIS_TRYBB
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 12–256; UniProt 1–250

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 2y6z

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2y6z
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2y6z
Deposition date deposition_date2011-01-27
Structure title titleCrystallographic structure of GM23 an example of Catalytic migration from TIM to thiamin phosphate synthase.
Keywords keywordsISOMERASE; ISOMERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.87
Radius of gyration Rg (electron density) rg_electron17.68
Forward intensity I(0) i013979200.00
Molecular weight molecular_weight27638.0 kDa
Excluded volume excluded_volume34497 ų
Envelope volume envelope_volume40020 ų
Hydration-shell volume shell_volume18640 ų
Envelope diameter envelope_diameter66.9
Shell Rg shell_rg24.37
Envelope Rg envelope_rg18.41
Shape Rg shape_rg17.66
Total Rg total_rg18.73
Total atoms total_atoms1940
Residues n_residues256
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 dmax63.4
Rg (real space) rg_real18.77
Rg uncertainty (real space) rg_real_error0.44
I(0) (real space) i0_real1.3980e+07
I(0) uncertainty (real space) i0_real_error1.5980e+05
Rg (reciprocal space) rg_reciprocal18.79
I(0) (reciprocal space) i0_reciprocal13980000.0000
Solution quality estimate total_estimate0.7904
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary24.6
Skewness Skewness skewness0.235
Kurtosis Kurtosis kurtosis-0.234
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3294000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.757; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2y6za1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)
Domain ID domain_idd2y6za2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id2y6zA00
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)