3esk

Structure of HOP TPR2A domain in complex with the non-cognate Hsc70 peptide ligand

Method: X-RAY DIFFRACTION Dmax: 55.7 Å Quality: REASONABLE

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

Stress-induced-phosphoprotein 1

Homo sapiens

UniProt P31948

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 222–349 Fragment:TPR2A domain, UNP residues 223-350 Heat shock cognate 71 kDa protein × 1 (P11142) NI NICKEL (II) ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;298 K;TRIS pH 8.5, PEG MME 2000, NiCl2, Xylitol, VAPOR DIFFUSION, temperature 298K Resolution 2.05 Å R-free 0.244

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 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name STIP1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–129; UniProt 222–349

Heat shock cognate 71 kDa protein

OrganismNot specified

UniProt P11142

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 635–646 Fragment:Hsc70 C-terminal peptide, UNP residues 635-646 Stress-induced-phosphoprotein 1 × 1 (P31948) NI NICKEL (II) ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;298 K;TRIS pH 8.5, PEG MME 2000, NiCl2, Xylitol, VAPOR DIFFUSION, temperature 298K Resolution 2.05 Å R-free 0.244

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.

37 other PDB entries and 66 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HSP7C_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–12; UniProt 635–646

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 3esk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3esk
Deposition date deposition_date2008-10-06
Structure title titleStructure of HOP TPR2A domain in complex with the non-cognate Hsc70 peptide ligand
Keywords keywordsTPR2A, Hsp90, Hsc70, tetratricopeptide repeat, Nucleus, TPR repeat, Chaperone, Stress response; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.85
Radius of gyration Rg (electron density) rg_electron15.05
Forward intensity I(0) i04942180.00
Molecular weight molecular_weight15454.0 kDa
Excluded volume excluded_volume19135 ų
Envelope volume envelope_volume21600 ų
Hydration-shell volume shell_volume12533 ų
Envelope diameter envelope_diameter55.6
Shell Rg shell_rg20.42
Envelope Rg envelope_rg15.38
Shape Rg shape_rg15.02
Total Rg total_rg16.15
Total atoms total_atoms1086
Residues n_residues136
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 dmax55.7
Rg (real space) rg_real15.86
Rg uncertainty (real space) rg_real_error0.19
I(0) (real space) i0_real4.9420e+06
I(0) uncertainty (real space) i0_real_error5.2510e+04
Rg (reciprocal space) rg_reciprocal15.84
I(0) (reciprocal space) i0_reciprocal4942000.0000
Solution quality estimate total_estimate0.6272
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary18.3
Skewness Skewness skewness0.383
Kurtosis Kurtosis kurtosis-0.067
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.2650
Highest regularization parameter α highest_alpha1415000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.739; Stabil: 1.000; Sysdev: 0.000; Positv: 1.000; Valcen: 0.941; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3eska1
Class classa — All alpha proteins
Fold Fold folda.118 — alpha-alpha superhelix
Superfamily Superfamily superfamilya.118.8 — TPR-like
Family Family familya.118.8.1 — Tetratricopeptide repeat (TPR)
Domain ID domain_idd3eska2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id3eskA00
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily10 — Tetratricopeptide repeat domain

8. Citations (1)

9. Files and Curves (10)