7b7r

MEK1 in complex with compound 4

Method: X-RAY DIFFRACTION Dmax: 88.1 Å Quality: GOOD

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

Dual specificity mitogen-activated protein kinase kinase 1,Dual specificity mitogen-activated protein kinase kinase 1

Homo sapiens

UniProt Q02750

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 37–263 Chain A; UniProt 308–383 Not recorded ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 MG MAGNESIUM ION × 1 T1K 2-[5-[ethyl(methyl)amino]imidazo[1,2-a]pyrimidin-7-yl]phenol × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;Crystals were obtained from hanging drops by mixing a 1:1 ratio of protein solution with well solution containing 2 M AmSO4, 0.1 M NaCl and 0.1 M Bis-tris pH 6.1-6.2 Resolution 1.70 Å R-free 0.218
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 37–263 Chain B; UniProt 308–383 Not recorded ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 MG MAGNESIUM ION × 1 T1K 2-[5-[ethyl(methyl)amino]imidazo[1,2-a]pyrimidin-7-yl]phenol × 1 SO4 SULFATE ION × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;Crystals were obtained from hanging drops by mixing a 1:1 ratio of protein solution with well solution containing 2 M AmSO4, 0.1 M NaCl and 0.1 M Bis-tris pH 6.1-6.2 Resolution 1.70 Å R-free 0.218

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.

92 other PDB entries and 121 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MP2K1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 18–244; UniProt 37–263 Author chain A; PDBConstruct 251–326; UniProt 308–383 Author chain B; PDBConstruct 18–244; UniProt 37–263 Author chain B; PDBConstruct 251–326; UniProt 308–383

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 7b7r

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7b7r
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7b7r
Deposition date deposition_date2020-12-11
Structure title titleMEK1 in complex with compound 4
Keywords keywordsKinase, allosteric, fragments, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.56
Radius of gyration Rg (electron density) rg_electron26.84
Forward intensity I(0) i078638300.00
Molecular weight molecular_weight69189.0 kDa
Excluded volume excluded_volume86573 ų
Envelope volume envelope_volume106800 ų
Hydration-shell volume shell_volume33067 ų
Envelope diameter envelope_diameter91.9
Shell Rg shell_rg34.37
Envelope Rg envelope_rg26.77
Shape Rg shape_rg26.88
Total Rg total_rg27.51
Total atoms total_atoms4845
Residues n_residues600
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 dmax88.1
Rg (real space) rg_real27.54
Rg uncertainty (real space) rg_real_error0.57
I(0) (real space) i0_real7.8640e+07
I(0) uncertainty (real space) i0_real_error1.2330e+06
Rg (reciprocal space) rg_reciprocal27.55
I(0) (reciprocal space) i0_reciprocal78640000.0000
Solution quality estimate total_estimate0.8961
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.4
Skewness Skewness skewness0.343
Kurtosis Kurtosis kurtosis-0.380
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26380000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.900; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.945

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd7b7rb_
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.144.1.7 — Protein kinases, catalytic subunit

CATH v4.4 (3 domains)

Domain ID domain_id7b7rA01
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_id7b7rA02
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_id7b7rB01
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)