1wug

complex structure of PCAF bromodomain with small chemical ligand NP1

Method: SOLUTION NMR Dmax: 58.5 Å Quality: GOOD

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

Histone acetyltransferase PCAF

Homo sapiens

UniProt Q92831

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 719–832 Fragment:BROMODOMAIN NP1 N-(3-AMINOPROPYL)-4-METHYL-2-NITROBENZENAMINE × 1 SOLUTION NMR NMR measurement conditions:pH 6.5;303 K NMR sample composition:0.5mM sample in 100mM phosphate buffer containing 5mM perdeuterated DTT | 10% 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.

24 other PDB entries and 39 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PCAF_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–118; UniProt 719–832

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 1wug

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1wug
Deposition date deposition_date2004-12-07
Structure title titlecomplex structure of PCAF bromodomain with small chemical ligand NP1
Keywords keywordsBROMODOMAIN, HISTONE-ACETYLTRANSFERASE, NMR-STRUCTURE, CHEMICAL LIGAND, TRANSFERASE; TRANSFERASE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier16.23
Radius of gyration Rg (electron density) rg_electron14.84
Forward intensity I(0) i03852980.00
Molecular weight molecular_weight14245.0 kDa
Excluded volume excluded_volume17999 ų
Envelope volume envelope_volume20672 ų
Hydration-shell volume shell_volume12090 ų
Envelope diameter envelope_diameter57.9
Shell Rg shell_rg20.28
Envelope Rg envelope_rg15.54
Shape Rg shape_rg14.83
Total Rg total_rg16.02
Total atoms total_atoms2004
Residues n_residues118
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 dmax58.5
Rg (real space) rg_real16.24
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real3.8530e+06
I(0) uncertainty (real space) i0_real_error4.5770e+04
Rg (reciprocal space) rg_reciprocal16.24
I(0) (reciprocal space) i0_reciprocal3853000.0000
Solution quality estimate total_estimate0.8373
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.0
Skewness Skewness skewness0.412
Kurtosis Kurtosis kurtosis-0.096
Angular range angular_range— – 0.4900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1108000.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.647; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.950; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1wuga2
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.2 — Bromodomain
Family Family familya.29.2.1 — Bromodomain
Domain ID domain_idd1wuga3
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_id1wugA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology920 — Histone Acetyltransferase; Chain A
Homologous superfamily homologous superfamily10 — Bromodomain-like

8. Citations (1)

9. Files and Curves (10)