2tss

TOXIC SHOCK SYNDROME TOXIN-1 FROM STAPHYLOCOCCUS AUREUS: ORTHORHOMBICC222(1) CRYSTAL FORM

Method: X-RAY DIFFRACTION Dmax: 100.8 Å Quality: GOOD

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

TOXIC SHOCK SYNDROME TOXIN-1

OrganismNot specified

UniProt P06886

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 41–234 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.5;50-100 MM CITRATE-PHOSPHATE OR ACETATE BUFFER, PH 4-5, 4-8% PEG 4000, 0.25-1M LICL, pH 4.5 Resolution 2.05 Å
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 41–234 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.5;50-100 MM CITRATE-PHOSPHATE OR ACETATE BUFFER, PH 4-5, 4-8% PEG 4000, 0.25-1M LICL, pH 4.5 Resolution 2.05 Å
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 41–234 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.5;50-100 MM CITRATE-PHOSPHATE OR ACETATE BUFFER, PH 4-5, 4-8% PEG 4000, 0.25-1M LICL, pH 4.5 Resolution 2.05 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.

11 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TSST_STAAU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–194; UniProt 41–234 Author chain B; PDBConstruct 1–194; UniProt 41–234 Author chain C; PDBConstruct 1–194; UniProt 41–234

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 2tss

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2tss
Deposition date deposition_date1996-12-04
Structure title titleTOXIC SHOCK SYNDROME TOXIN-1 FROM STAPHYLOCOCCUS AUREUS: ORTHORHOMBICC222(1) CRYSTAL FORM
Keywords keywordsTOXIN, SUPERANTIGEN; TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.74
Radius of gyration Rg (electron density) rg_electron29.12
Forward intensity I(0) i069655800.00
Molecular weight molecular_weight66221.0 kDa
Excluded volume excluded_volume83205 ų
Envelope volume envelope_volume104590 ų
Hydration-shell volume shell_volume31266 ų
Envelope diameter envelope_diameter107.4
Shell Rg shell_rg35.04
Envelope Rg envelope_rg28.86
Shape Rg shape_rg29.10
Total Rg total_rg29.78
Total atoms total_atoms4677
Residues n_residues582
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 dmax100.8
Rg (real space) rg_real29.86
Rg uncertainty (real space) rg_real_error0.95
I(0) (real space) i0_real6.9660e+07
I(0) uncertainty (real space) i0_real_error1.0410e+06
Rg (reciprocal space) rg_reciprocal29.81
I(0) (reciprocal space) i0_reciprocal69650000.0000
Solution quality estimate total_estimate0.8742
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.3
Skewness Skewness skewness0.448
Kurtosis Kurtosis kurtosis-0.343
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11270000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.821; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.923; Smooth: 0.980

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd2tssa1
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.2 — Bacterial enterotoxins
Family Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
Domain ID domain_idd2tssa2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
Family Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
Domain ID domain_idd2tssb1
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.2 — Bacterial enterotoxins
Family Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
Domain ID domain_idd2tssb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
Family Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
Domain ID domain_idd2tssc1
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.2 — Bacterial enterotoxins
Family Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
Domain ID domain_idd2tssc2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
Family Family familyd.15.6.1 — Superantigen toxins, C-terminal domain

CATH v4.4 (6 domains)

Domain ID domain_id2tssA01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily120
Domain ID domain_id2tssA02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily110
Domain ID domain_id2tssB01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily120
Domain ID domain_id2tssB02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily110
Domain ID domain_id2tssC01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily120
Domain ID domain_id2tssC02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily110

8. Citations (2)

9. Files and Curves (10)