2rnz

Solution structure of the presumed chromodomain of the yeast histone acetyltransferase, Esa1

Method: SOLUTION NMR Dmax: 48.2 Å Quality: REASONABLE

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

Histone acetyltransferase ESA1

Saccharomyces cerevisiae

UniProt Q08649

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 17–89 Fragment:Residues 17-89 No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6.8;295 K;Pressure AMBIENT NMR sample composition:0.1mM CHROMODOMAIN [U-99% 13C; U-99% 15N], 200mM potassium phosphate, 5mM D-DTT, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:0.1mM CHROMODOMAIN [U-99% 13C; U-99% 15N], 200mM potassium phosphate, 5mM D-DTT, 100% D2O | 100% D2O Resolution not provided

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.

13 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ESA1_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 22–94; UniProt 17–89

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 2rnz

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2rnz
Deposition date deposition_date2008-03-01
Structure title titleSolution structure of the presumed chromodomain of the yeast histone acetyltransferase, Esa1
Keywords keywords;Esa1, HAT, chromodomain, tudor domain, RNA binding, Activator, Chromatin regulator, Transcription, Transcription regulation, Transferase ;; TRANSFERASE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier17.88
Radius of gyration Rg (electron density) rg_electron17.18
Forward intensity I(0) i0741212000.00
Molecular weight molecular_weight220650.0 kDa
Excluded volume excluded_volume273090 ų
Envelope volume envelope_volume83974 ų
Hydration-shell volume shell_volume28124 ų
Envelope diameter envelope_diameter92.0
Shell Rg shell_rg32.30
Envelope Rg envelope_rg25.95
Shape Rg shape_rg17.16
Total Rg total_rg17.82
Total atoms total_atoms30640
Residues n_residues1880
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 dmax48.2
Rg (real space) rg_real16.80
Rg uncertainty (real space) rg_real_error0.08
I(0) (real space) i0_real7.0570e+08
I(0) uncertainty (real space) i0_real_error5.8840e+06
Rg (reciprocal space) rg_reciprocal18.07
I(0) (reciprocal space) i0_reciprocal741200000.0000
Solution quality estimate total_estimate0.6833
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary18.2
Skewness Skewness skewness0.365
Kurtosis Kurtosis kurtosis-0.373
Angular range angular_range— – 0.4450 −1
Current regularization parameter α current_alpha3.6410
Highest regularization parameter α highest_alpha565200.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.003; Oscil: 0.977; Stabil: 0.985; Sysdev: 0.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)