2xa4

Inhibitors of Jak2 Kinase domain

Method: X-RAY DIFFRACTION Dmax: 93.9 Å Quality: GOOD

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

TYROSINE-PROTEIN KINASE JAK2

Homo sapiens

UniProt O60674

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 835–1132 Fragment:KINASE DOMAIN RESIDUES 835-1132 Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) AZ5 5-CHLORO-N2-[(1S)-1-(5-FLUOROPYRIMIDIN-2-YL)ETHYL]-N4-(5-METHYL-1H-PYRAZOL-3-YL)PYRIMIDINE-2,4-DIAMINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;HANGING DROP 20 DEG C. 1.5UL PROTEIN PLUS 1UL WELL PROTEIN: 8.7MG/ML IN 20MM TRIS/HCL PH 8.5, 100MM NACL, 1MM DTT WELL: 28% W/V PEG3350, 200MM AMMONIUM ACETATE, 100MM SODIUM CITRATE PH 6.0 Resolution 2.04 Å R-free 0.245
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 835–1132 Fragment:KINASE DOMAIN RESIDUES 835-1132 Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) AZ5 5-CHLORO-N2-[(1S)-1-(5-FLUOROPYRIMIDIN-2-YL)ETHYL]-N4-(5-METHYL-1H-PYRAZOL-3-YL)PYRIMIDINE-2,4-DIAMINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;HANGING DROP 20 DEG C. 1.5UL PROTEIN PLUS 1UL WELL PROTEIN: 8.7MG/ML IN 20MM TRIS/HCL PH 8.5, 100MM NACL, 1MM DTT WELL: 28% W/V PEG3350, 200MM AMMONIUM ACETATE, 100MM SODIUM CITRATE PH 6.0 Resolution 2.04 Å R-free 0.245

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.

161 other PDB entries and 250 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name JAK2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–298; UniProt 835–1132 Author chain B; PDBConstruct 1–298; UniProt 835–1132

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 2xa4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2xa4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2xa4
Deposition date deposition_date2010-03-26
Structure title titleInhibitors of Jak2 Kinase domain
Keywords keywordsKINASE, MEMBRANE, TRANSFERASE, ATP-BINDING, PROTO-ONCOGENE, PHOSPHOPROTEIN; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.63
Radius of gyration Rg (electron density) rg_electron27.74
Forward intensity I(0) i069447400.00
Molecular weight molecular_weight64899.0 kDa
Excluded volume excluded_volume81047 ų
Envelope volume envelope_volume102360 ų
Hydration-shell volume shell_volume31126 ų
Envelope diameter envelope_diameter98.9
Shell Rg shell_rg34.54
Envelope Rg envelope_rg27.80
Shape Rg shape_rg27.72
Total Rg total_rg28.49
Total atoms total_atoms4559
Residues n_residues551
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 dmax93.9
Rg (real space) rg_real28.65
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real6.9450e+07
I(0) uncertainty (real space) i0_real_error1.0590e+06
Rg (reciprocal space) rg_reciprocal28.64
I(0) (reciprocal space) i0_reciprocal69450000.0000
Solution quality estimate total_estimate0.8928
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.7
Skewness Skewness skewness0.380
Kurtosis Kurtosis kurtosis-0.371
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha15490000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.886; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.962; Smooth: 0.983

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2xa4a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.0 — automated matches
Domain ID domain_idd2xa4b_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id2xa4A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
Domain ID domain_id2xa4A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id2xa4B01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
Domain ID domain_id2xa4B02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1

8. Citations (1)

9. Files and Curves (10)