6p39

Crystal Structure Analysis of TAF1 Bromodomain

Method: X-RAY DIFFRACTION Dmax: 61.3 Å Quality: GOOD

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

Transcription initiation factor TFIID subunit 1

Homo sapiens

UniProt P21675

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 1521–1656 Not recorded NQY 3-methoxy-4-{[(6aR)-5-methyl-6-oxo-6,6a,7,8,9,10-hexahydro-5H-dipyrido[1,2-a:3',2'-e]pyrazin-2-yl]amino}-N-(1-methylpiperidin-4-yl)benzamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG1000, Tris pH 8.0 Resolution 2.94 Å R-free 0.212

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.

62 other PDB entries and 65 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAF1_HUMAN
Isoform P21675-12
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–138; UniProt 1521–1656

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 6p39

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6p39
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6p39
Deposition date deposition_date2019-05-23
Structure title titleCrystal Structure Analysis of TAF1 Bromodomain
Keywords keywordskinase, bromodomain, inhibitor, TRANSCRIPTION, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.01
Radius of gyration Rg (electron density) rg_electron16.18
Forward intensity I(0) i04443160.00
Molecular weight molecular_weight15312.0 kDa
Excluded volume excluded_volume19217 ų
Envelope volume envelope_volume22101 ų
Hydration-shell volume shell_volume12296 ų
Envelope diameter envelope_diameter60.4
Shell Rg shell_rg21.31
Envelope Rg envelope_rg16.75
Shape Rg shape_rg16.19
Total Rg total_rg17.11
Total atoms total_atoms1080
Residues n_residues128
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 dmax61.3
Rg (real space) rg_real17.09
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real4.4430e+06
I(0) uncertainty (real space) i0_real_error5.8660e+04
Rg (reciprocal space) rg_reciprocal17.08
I(0) (reciprocal space) i0_reciprocal4443000.0000
Solution quality estimate total_estimate0.8197
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.7
Skewness Skewness skewness0.512
Kurtosis Kurtosis kurtosis-0.097
Angular range angular_range— – 0.4700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha959800.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.610; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.839; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6p39a_
Class classa — All alpha proteins
Fold Fold folda.29 — Bromodomain-like
Superfamily Superfamily superfamilya.29.2 — Bromodomain
Family Family familya.29.2.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id6p39A00
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)