3q74

Crystal Structure Analysis of the L7A Mutant of the Apo Form of Human Alpha Class Glutathione Transferase

Method: X-RAY DIFFRACTION Dmax: 66.8 Å Quality: EXCELLENT

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

Glutathione S-transferase A1

Homo sapiens

UniProt P08263

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 2–222 Chain B; UniProt 2–222 Mutation:L7A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:hanging drop;pH 7.5;293 K;0.1 M Tris, 20% PEG 3350, 2 mM DTT, 0.02% azide, pH 7.5, hanging drop, temperature 293K Resolution 1.79 Å R-free 0.271

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.

38 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GSTA1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–221; UniProt 2–222 Author chain B; PDBConstruct 1–221; UniProt 2–222

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 3q74

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3q74
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3q74
Deposition date deposition_date2011-01-04
Structure title titleCrystal Structure Analysis of the L7A Mutant of the Apo Form of Human Alpha Class Glutathione Transferase
Keywords keywordsGlutathione Transferase, thioredoxin, conserved residues, hydrophobic core, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.68
Radius of gyration Rg (electron density) rg_electron21.46
Forward intensity I(0) i033882400.00
Molecular weight molecular_weight47618.0 kDa
Excluded volume excluded_volume60884 ų
Envelope volume envelope_volume72260 ų
Hydration-shell volume shell_volume27092 ų
Envelope diameter envelope_diameter68.0
Shell Rg shell_rg28.93
Envelope Rg envelope_rg21.48
Shape Rg shape_rg21.46
Total Rg total_rg22.42
Total atoms total_atoms3352
Residues n_residues416
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 dmax66.8
Rg (real space) rg_real22.51
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real3.3880e+07
I(0) uncertainty (real space) i0_real_error4.2290e+05
Rg (reciprocal space) rg_reciprocal22.55
I(0) (reciprocal space) i0_reciprocal33880000.0000
Solution quality estimate total_estimate0.9101
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.4
Skewness Skewness skewness0.062
Kurtosis Kurtosis kurtosis-0.550
Angular range angular_range— – 0.3500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7778000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.953; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.976; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3q74a1
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
Domain ID domain_idd3q74a2
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_idd3q74b1
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
Domain ID domain_idd3q74b2
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

CATH v4.4 (4 domains)

Domain ID domain_id3q74A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id3q74A02
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
Domain ID domain_id3q74B01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id3q74B02
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)