6e2q

Structure of human JAK2 FERM/SH2 in complex with Erythropoietin Receptor

Method: X-RAY DIFFRACTION Dmax: 125.0 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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 36–514 Fragment:FERM/SH2 (UNP residues 36-514) Erythropoietin receptor × 1 (P19235) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;277.15 K;100 mM Tris, pH 7.6, 2-4% PEG8000 Resolution 2.65 Å R-free 0.263
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 36–514 Fragment:FERM/SH2 (UNP residues 36-514) Erythropoietin receptor × 1 (P19235) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;277.15 K;100 mM Tris, pH 7.6, 2-4% PEG8000 Resolution 2.65 Å R-free 0.263
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 36–514 Fragment:FERM/SH2 (UNP residues 36-514) Erythropoietin receptor × 1 (P19235) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;277.15 K;100 mM Tris, pH 7.6, 2-4% PEG8000 Resolution 2.65 Å R-free 0.263
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 36–514 Fragment:FERM/SH2 (UNP residues 36-514) Erythropoietin receptor × 1 (P19235) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;277.15 K;100 mM Tris, pH 7.6, 2-4% PEG8000 Resolution 2.65 Å R-free 0.263

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 248 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 3–481; UniProt 36–514 Author chain B; PDBConstruct 3–481; UniProt 36–514 Author chain C; PDBConstruct 3–481; UniProt 36–514 Author chain D; PDBConstruct 3–481; UniProt 36–514

Erythropoietin receptor

Homo sapiens

UniProt P19235

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain N; UniProt 273–338 Fragment:UNP residues 273-338 Tyrosine-protein kinase JAK2 × 1 (O60674) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;277.15 K;100 mM Tris, pH 7.6, 2-4% PEG8000 Resolution 2.65 Å R-free 0.263
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain O; UniProt 273–338 Fragment:UNP residues 273-338 Tyrosine-protein kinase JAK2 × 1 (O60674) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;277.15 K;100 mM Tris, pH 7.6, 2-4% PEG8000 Resolution 2.65 Å R-free 0.263
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain M; UniProt 273–338 Fragment:UNP residues 273-338 Tyrosine-protein kinase JAK2 × 1 (O60674) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;277.15 K;100 mM Tris, pH 7.6, 2-4% PEG8000 Resolution 2.65 Å R-free 0.263
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain P; UniProt 273–338 Fragment:UNP residues 273-338 Tyrosine-protein kinase JAK2 × 1 (O60674) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;277.15 K;100 mM Tris, pH 7.6, 2-4% PEG8000 Resolution 2.65 Å R-free 0.263

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.

20 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name EPOR_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain M; PDBConstruct 15–80; UniProt 273–338 Author chain N; PDBConstruct 15–80; UniProt 273–338 Author chain O; PDBConstruct 15–80; UniProt 273–338 Author chain P; PDBConstruct 15–80; UniProt 273–338

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 6e2q

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6e2q
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6e2q
Deposition date deposition_date2018-07-11
Structure title titleStructure of human JAK2 FERM/SH2 in complex with Erythropoietin Receptor
Keywords keywordsCytokine Receptor, Erythropoietin, Signal Transduction, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier42.00
Radius of gyration Rg (electron density) rg_electron41.12
Forward intensity I(0) i0780218000.00
Molecular weight molecular_weight233150.0 kDa
Excluded volume excluded_volume293000 ų
Envelope volume envelope_volume411070 ų
Hydration-shell volume shell_volume80868 ų
Envelope diameter envelope_diameter137.3
Shell Rg shell_rg48.92
Envelope Rg envelope_rg39.85
Shape Rg shape_rg41.11
Total Rg total_rg41.59
Total atoms total_atoms16454
Residues n_residues2037
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 dmax125.0
Rg (real space) rg_real41.71
Rg uncertainty (real space) rg_real_error0.73
I(0) (real space) i0_real7.8020e+08
I(0) uncertainty (real space) i0_real_error1.4320e+07
Rg (reciprocal space) rg_reciprocal42.00
I(0) (reciprocal space) i0_reciprocal780500000.0000
Solution quality estimate total_estimate0.8925
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary55.9
Skewness Skewness skewness0.026
Kurtosis Kurtosis kurtosis-0.442
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha88440000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.960; Smooth: 0.877

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id6e2qA01
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_id6e2qA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain
Domain ID domain_id6e2qB01
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_id6e2qB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain
Domain ID domain_id6e2qC01
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_id6e2qC02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain
Domain ID domain_id6e2qD01
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_id6e2qD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain

8. Citations (1)

9. Files and Curves (10)