6tt2

The PH domain of Bruton's tyrosine kinase mutant R28C

Method: X-RAY DIFFRACTION Dmax: 78.8 Å Quality: GOOD

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 2–170 Fragment:PH DOMAIN AND BTK MOTIF Mutation:R28C MG MAGNESIUM ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;298 K;0.1 M TRIS 8.5 pH, 32.5% w/v PEG 3350, 200mM MgCl2, 500mM NaCl Resolution 1.36 Å R-free 0.234
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 2–170 Fragment:PH DOMAIN AND BTK MOTIF Mutation:R28C MG MAGNESIUM ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;298 K;0.1 M TRIS 8.5 pH, 32.5% w/v PEG 3350, 200mM MgCl2, 500mM NaCl Resolution 1.36 Å R-free 0.234

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
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–169; UniProt 2–170 Author chain B; PDBConstruct 1–169; UniProt 2–170

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 6tt2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6tt2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6tt2
Deposition date deposition_date2019-12-23
Structure title titleThe PH domain of Bruton's tyrosine kinase mutant R28C
Keywords keywordsBTK, Covalent fragments, surface entrophy reduction, crystal engineering, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.87
Radius of gyration Rg (electron density) rg_electron22.71
Forward intensity I(0) i024148800.00
Molecular weight molecular_weight38367.0 kDa
Excluded volume excluded_volume48473 ų
Envelope volume envelope_volume61920 ų
Hydration-shell volume shell_volume23021 ų
Envelope diameter envelope_diameter80.8
Shell Rg shell_rg29.16
Envelope Rg envelope_rg22.88
Shape Rg shape_rg22.66
Total Rg total_rg23.75
Total atoms total_atoms2694
Residues n_residues324
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 dmax78.8
Rg (real space) rg_real23.85
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real2.4150e+07
I(0) uncertainty (real space) i0_real_error3.2580e+05
Rg (reciprocal space) rg_reciprocal23.85
I(0) (reciprocal space) i0_reciprocal24150000.0000
Solution quality estimate total_estimate0.8950
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.1
Skewness Skewness skewness0.301
Kurtosis Kurtosis kurtosis-0.418
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4185000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.885; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6tt2a_
Class classb — All beta proteins
Fold Fold foldb.55 — PH domain-like barrel
Superfamily Superfamily superfamilyb.55.1 — PH domain-like
Family Family familyb.55.1.1 — Pleckstrin-homology domain (PH domain)
Domain ID domain_idd6tt2b_
Class classb — All beta proteins
Fold Fold foldb.55 — PH domain-like barrel
Superfamily Superfamily superfamilyb.55.1 — PH domain-like
Family Family familyb.55.1.1 — Pleckstrin-homology domain (PH domain)

8. Citations (1)

9. Files and Curves (10)