2z0p

Crystal structure of PH domain of Bruton's tyrosine kinase

Method: X-RAY DIFFRACTION Dmax: 126.0 Å Quality: REASONABLE

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 ZN ZINC ION × 1 4PT (2R)-3-{[(S)-{[(2S,3R,5S,6S)-2,6-DIHYDROXY-3,4,5-TRIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-2-(1-HYDROXY BUTOXY)PROPYL BUTYRATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;25% PEG3350, 0.2M Li2SO4, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.58 Å R-free 0.300
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 2–170 Fragment:PH domain ZN ZINC ION × 1 4PT (2R)-3-{[(S)-{[(2S,3R,5S,6S)-2,6-DIHYDROXY-3,4,5-TRIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-2-(1-HYDROXY BUTOXY)PROPYL BUTYRATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;25% PEG3350, 0.2M Li2SO4, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.58 Å R-free 0.300
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 2–170 Fragment:PH domain ZN ZINC ION × 1 4PT (2R)-3-{[(S)-{[(2S,3R,5S,6S)-2,6-DIHYDROXY-3,4,5-TRIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-2-(1-HYDROXY BUTOXY)PROPYL BUTYRATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;25% PEG3350, 0.2M Li2SO4, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.58 Å R-free 0.300
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 2–170 Fragment:PH domain ZN ZINC ION × 1 4PT (2R)-3-{[(S)-{[(2S,3R,5S,6S)-2,6-DIHYDROXY-3,4,5-TRIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-2-(1-HYDROXY BUTOXY)PROPYL BUTYRATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;25% PEG3350, 0.2M Li2SO4, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.58 Å R-free 0.300
5 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–170 Chain B; UniProt 2–170 Fragment:PH domain ZN ZINC ION × 2 4PT (2R)-3-{[(S)-{[(2S,3R,5S,6S)-2,6-DIHYDROXY-3,4,5-TRIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-2-(1-HYDROXY BUTOXY)PROPYL BUTYRATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;25% PEG3350, 0.2M Li2SO4, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.58 Å R-free 0.300
6 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 2–170 Chain D; UniProt 2–170 Fragment:PH domain ZN ZINC ION × 2 4PT (2R)-3-{[(S)-{[(2S,3R,5S,6S)-2,6-DIHYDROXY-3,4,5-TRIS(PHOSPHONOOXY)CYCLOHEXYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-2-(1-HYDROXY BUTOXY)PROPYL BUTYRATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;25% PEG3350, 0.2M Li2SO4, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.58 Å R-free 0.300

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 222 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 Author chain C; PDBConstruct 1–169; UniProt 2–170 Author chain D; 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 2z0p

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2z0p
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2z0p
Deposition date deposition_date2007-05-07
Structure title titleCrystal structure of PH domain of Bruton's tyrosine kinase
Keywords keywords;PH domain, PIP3C4, ATP-binding, Disease mutation, Kinase, Membrane, Metal-binding, Nucleotide-binding, Nucleus, Phosphorylation, SH2 domain, SH3 domain, Transferase, Tyrosine-protein kinase, Zinc-finger, SIGNALING PROTEIN, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI ;; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.92
Radius of gyration Rg (electron density) rg_electron38.08
Forward intensity I(0) i093871500.00
Molecular weight molecular_weight77843.0 kDa
Excluded volume excluded_volume97491 ų
Envelope volume envelope_volume130580 ų
Hydration-shell volume shell_volume31693 ų
Envelope diameter envelope_diameter133.7
Shell Rg shell_rg38.77
Envelope Rg envelope_rg37.88
Shape Rg shape_rg38.02
Total Rg total_rg38.35
Total atoms total_atoms5442
Residues n_residues635
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 dmax126.0
Rg (real space) rg_real38.45
Rg uncertainty (real space) rg_real_error1.33
I(0) (real space) i0_real9.3870e+07
I(0) uncertainty (real space) i0_real_error1.7800e+06
Rg (reciprocal space) rg_reciprocal38.13
I(0) (reciprocal space) i0_reciprocal93840000.0000
Solution quality estimate total_estimate0.7469
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary51.0
Skewness Skewness skewness0.552
Kurtosis Kurtosis kurtosis-0.251
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23820000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.659; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.685; Smooth: 0.046

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2z0pa_
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_idd2z0pb_
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_idd2z0pc_
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_idd2z0pd_
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)

CATH v4.4 (4 domains)

Domain ID domain_id2z0pA00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
Domain ID domain_id2z0pB00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
Domain ID domain_id2z0pC00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
Domain ID domain_id2z0pD00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

8. Citations (1)

9. Files and Curves (10)