1hk7

Middle Domain of HSP90

Method: X-RAY DIFFRACTION Dmax: 79.9 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 273–560 Fragment:MIDDLE DOMAIN, RESIDUES 273-560 CD CADMIUM ION × 5 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 7.5;CRYSTALS GROWN USING MICROBATCH METHOD BY MIXING 1UL OF 24MG/ML,PROTEIN IN BUFFER (20MM TRISHCL),PH 7.5, 1MM EDTA, 0.5MM DTT) WITH 1UL OF 11MM CDSO4, 20MM MGCL2, 80MM TRIS HCL, PH 7.5 AND 5% GLYCEROL. Resolution 2.50 Å R-free 0.277
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 273–560 Fragment:MIDDLE DOMAIN, RESIDUES 273-560 CD CADMIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 7.5;CRYSTALS GROWN USING MICROBATCH METHOD BY MIXING 1UL OF 24MG/ML,PROTEIN IN BUFFER (20MM TRISHCL),PH 7.5, 1MM EDTA, 0.5MM DTT) WITH 1UL OF 11MM CDSO4, 20MM MGCL2, 80MM TRIS HCL, PH 7.5 AND 5% GLYCEROL. Resolution 2.50 Å R-free 0.277

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 60 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 1–288; UniProt 273–560 Author chain B; PDBConstruct 1–288; UniProt 273–560

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 1hk7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1hk7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1hk7
Deposition date deposition_date2003-03-06
Structure title titleMiddle Domain of HSP90
Keywords keywordsHEAT SHOCK PROTEIN, ATPASE, CHAPERONE; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.77
Radius of gyration Rg (electron density) rg_electron24.68
Forward intensity I(0) i053639900.00
Molecular weight molecular_weight58503.0 kDa
Excluded volume excluded_volume73790 ų
Envelope volume envelope_volume92204 ų
Hydration-shell volume shell_volume30776 ų
Envelope diameter envelope_diameter82.2
Shell Rg shell_rg32.44
Envelope Rg envelope_rg24.54
Shape Rg shape_rg24.66
Total Rg total_rg25.64
Total atoms total_atoms4100
Residues n_residues496
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 dmax79.9
Rg (real space) rg_real25.61
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real5.3640e+07
I(0) uncertainty (real space) i0_real_error8.0940e+05
Rg (reciprocal space) rg_reciprocal25.66
I(0) (reciprocal space) i0_reciprocal53640000.0000
Solution quality estimate total_estimate0.9034
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.5
Skewness Skewness skewness0.114
Kurtosis Kurtosis kurtosis-0.495
Angular range angular_range— – 0.3100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11850000.0000
Real-space data points n_real_points63
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.920; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.984; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1hk7a_
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_idd1hk7b_
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

CATH v4.4 (4 domains)

Domain ID domain_id1hk7A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily80
Domain ID domain_id1hk7A02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11260
Domain ID domain_id1hk7B01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily80
Domain ID domain_id1hk7B02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11260

8. Citations (1)

9. Files and Curves (10)