1gtb

CRYSTAL STRUCTURES OF A SCHISTOSOMAL DRUG AND VACCINE TARGET: GLUTATHIONE S-TRANSFERASE FROM SCHISTOSOMA JAPONICA AND ITS COMPLEX WITH THE LEADING ANTISCHISTOSOMAL DRUG PRAZIQUANTEL

Method: X-RAY DIFFRACTION Dmax: 57.6 Å Quality: EXCELLENT

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

GLUTATHIONE S-TRANSFERASE

Schistosoma japonicum

UniProt P08515

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 1–218 Not recorded PZQ PRAZIQUANTEL × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.60 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.

64 other PDB entries and 70 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GST26_SCHJA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–218; UniProt 1–218

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 1gtb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1gtb
Deposition date deposition_date1994-12-01
Structure title titleCRYSTAL STRUCTURES OF A SCHISTOSOMAL DRUG AND VACCINE TARGET: GLUTATHIONE S-TRANSFERASE FROM SCHISTOSOMA JAPONICA AND ITS COMPLEX WITH THE LEADING ANTISCHISTOSOMAL DRUG PRAZIQUANTEL
Keywords keywordsGLUTATHIONE TRANSFERASE; GLUTATHIONE TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.75
Radius of gyration Rg (electron density) rg_electron17.39
Forward intensity I(0) i010705600.00
Molecular weight molecular_weight25682.0 kDa
Excluded volume excluded_volume32697 ų
Envelope volume envelope_volume36937 ų
Hydration-shell volume shell_volume17704 ų
Envelope diameter envelope_diameter58.1
Shell Rg shell_rg23.58
Envelope Rg envelope_rg17.60
Shape Rg shape_rg17.35
Total Rg total_rg18.52
Total atoms total_atoms1809
Residues n_residues218
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 dmax57.6
Rg (real space) rg_real18.63
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real1.0710e+07
I(0) uncertainty (real space) i0_real_error1.2900e+05
Rg (reciprocal space) rg_reciprocal18.65
I(0) (reciprocal space) i0_reciprocal10710000.0000
Solution quality estimate total_estimate0.9002
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.2
Skewness Skewness skewness0.112
Kurtosis Kurtosis kurtosis-0.474
Angular range angular_range— – 0.4250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2641000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.910; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.981

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_idd1gtba1
Class classa — All alpha proteins
Fold Fold folda.45 — GST C-terminal domain-like
Superfamily Superfamily superfamilya.45.1 — GST C-terminal domain-like
Family Family familya.45.1.1 — Glutathione S-transferase (GST), C-terminal domain
Domain ID domain_idd1gtba2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.5 — Glutathione S-transferase (GST), N-terminal domain

CATH v4.4 (2 domains)

Domain ID domain_id1gtbA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id1gtbA02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1050 — Glutathione S-transferase Yfyf (Class Pi); Chain A, domain 2
Homologous superfamily homologous superfamily10

8. Citations (1)

9. Files and Curves (10)