9t0t

Crystal Structure of the correct enantiomer bound to the PH domain of Btk

Method: X-RAY DIFFRACTION Dmax: 99.1 Å Quality: EXCELLENT

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

Tyrosine-protein kinase BTK

Homo sapiens

UniProt Q06187

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 36–204 Chain C; UniProt 36–204 Fragment:PH DOMAIN AND BTK MOTIF A1JS1 (6~{R})-6-(2-bromanyl-6-chloranyl-phenyl)-4-oxidanylidene-6,7-dihydro-5~{H}-1-benzofuran-3-carboxylic acid × 1 A1JS0 (6~{R})-6-(2-bromanyl-6-chloranyl-phenyl)-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylic acid × 3 MG MAGNESIUM ION × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;293 K;0.1 M TRIS, 32.5% w/v PEG 3350, 200mM MgCl2 Resolution 1.73 Å R-free 0.301
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 36–204 Chain J; UniProt 36–204 Fragment:PH DOMAIN AND BTK MOTIF A1JS0 (6~{R})-6-(2-bromanyl-6-chloranyl-phenyl)-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylic acid × 2 MG MAGNESIUM ION × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;293 K;0.1 M TRIS, 32.5% w/v PEG 3350, 200mM MgCl2 Resolution 1.73 Å R-free 0.301

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.

158 other PDB entries and 226 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BTK_HUMAN
Isoform Q06187-2
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–169; UniProt 36–204 Author chain C; PDBConstruct 1–169; UniProt 36–204 Author chain G; PDBConstruct 1–169; UniProt 36–204 Author chain J; PDBConstruct 1–169; UniProt 36–204

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 9t0t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9t0t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9t0t
Deposition date deposition_date2025-10-20
Structure title titleCrystal Structure of the correct enantiomer bound to the PH domain of Btk
Keywords keywordsFragment based drug discovery, ph domain, Hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.01
Radius of gyration Rg (electron density) rg_electron30.20
Forward intensity I(0) i0176578000.00
Molecular weight molecular_weight71560.0 kDa
Excluded volume excluded_volume69660 ų
Envelope volume envelope_volume125200 ų
Hydration-shell volume shell_volume34497 ų
Envelope diameter envelope_diameter100.1
Shell Rg shell_rg37.28
Envelope Rg envelope_rg29.80
Shape Rg shape_rg30.11
Total Rg total_rg30.85
Total atoms total_atoms5430
Residues n_residues631
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 dmax99.1
Rg (real space) rg_real30.94
Rg uncertainty (real space) rg_real_error0.83
I(0) (real space) i0_real1.7660e+08
I(0) uncertainty (real space) i0_real_error2.9060e+06
Rg (reciprocal space) rg_reciprocal30.97
I(0) (reciprocal space) i0_reciprocal176600000.0000
Solution quality estimate total_estimate0.9010
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary42.8
Skewness Skewness skewness0.202
Kurtosis Kurtosis kurtosis-0.567
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha40540000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.934; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.929

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)