1usu

The Structure of the complex between Aha1 and HSP90

Method: X-RAY DIFFRACTION Dmax: 77.7 Å Quality: EXCELLENT

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

HEAT SHOCK PROTEIN HSP82

SACCHAROMYCES CEREVISIAE

UniProt P02829

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 273–530 Fragment:MIDDLE DOMAIN, RESIDUES 273-530 AHA1 × 1 (Q12449) GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 6.5;292 K;CRYSTALS GREW FROM A MIXTURE OF MIDDLE DOMAIN HSP90 AND N- TERMINAL AHA1 AT A FINAL CONCENTRATION OF 110 UM AND 165 UM, RESPECTIVELY, IN A SOLUTION CONTAINING 90 MM AMMONIUM SULPHATE, 13.5% (W/V) PEG8K AND 45 MM SODIUM CACODYLATE PH 6.5 IN UNDER-OIL MICROBATCH EXPERIMENTS AT 19C. Resolution 2.15 Å R-free 0.268

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.

47 other PDB entries and 61 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HS82_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–260; UniProt 273–530

AHA1

SACCHAROMYCES CEREVISIAE

UniProt Q12449

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–156 Fragment:N-TERMINAL DOMAIN, RESIDUES 1-156 HEAT SHOCK PROTEIN HSP82 × 1 (P02829) GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 6.5;292 K;CRYSTALS GREW FROM A MIXTURE OF MIDDLE DOMAIN HSP90 AND N- TERMINAL AHA1 AT A FINAL CONCENTRATION OF 110 UM AND 165 UM, RESPECTIVELY, IN A SOLUTION CONTAINING 90 MM AMMONIUM SULPHATE, 13.5% (W/V) PEG8K AND 45 MM SODIUM CACODYLATE PH 6.5 IN UNDER-OIL MICROBATCH EXPERIMENTS AT 19C. Resolution 2.15 Å R-free 0.268

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.

7 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q12449
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 15–170; UniProt 1–156

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 1usu

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1usu
Deposition date deposition_date2003-12-01
Structure title titleThe Structure of the complex between Aha1 and HSP90
Keywords keywordsCHAPERONE-COMPLEX, CHAPERONE, ACTIVATOR, HSP90; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.46
Radius of gyration Rg (electron density) rg_electron23.34
Forward intensity I(0) i029271700.00
Molecular weight molecular_weight43453.0 kDa
Excluded volume excluded_volume55207 ų
Envelope volume envelope_volume67786 ų
Hydration-shell volume shell_volume24260 ų
Envelope diameter envelope_diameter82.5
Shell Rg shell_rg30.19
Envelope Rg envelope_rg23.37
Shape Rg shape_rg23.33
Total Rg total_rg24.25
Total atoms total_atoms3074
Residues n_residues378
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 dmax77.7
Rg (real space) rg_real24.36
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real2.9270e+07
I(0) uncertainty (real space) i0_real_error3.6970e+05
Rg (reciprocal space) rg_reciprocal24.39
I(0) (reciprocal space) i0_reciprocal29270000.0000
Solution quality estimate total_estimate0.9069
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.4
Skewness Skewness skewness0.192
Kurtosis Kurtosis kurtosis-0.573
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8693000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.931; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1usua_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamilyd.14.1 — Ribosomal protein S5 domain 2-like
Family Family familyd.14.1.8 — Hsp90 middle domain
Domain ID domain_idd1usub_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.83 — Aha1/BPI domain-like
Superfamily Superfamily superfamilyd.83.2 — Activator of Hsp90 ATPase, Aha1
Family Family familyd.83.2.1 — Activator of Hsp90 ATPase, Aha1

CATH v4.4 (3 domains)

Domain ID domain_id1usuA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily80
Domain ID domain_id1usuA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11260
Domain ID domain_id1usuB00
Class class3 — Alpha Beta
Architecture architecture15 — Super Roll
Topology topology10 — Bactericidal permeability-increasing protein; domain 1
Homologous superfamily homologous superfamily20 — Activator of Hsp90 ATPase Aha1, N-terminal domain

8. Citations (1)

9. Files and Curves (10)