2h6k

Histone H3 recognition and presentation by the WDR5 module of the MLL1 complex

Method: X-RAY DIFFRACTION Dmax: 85.7 Å Quality: EXCELLENT

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

WD-repeat protein 5

Homo sapiens

UniProt P61964

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 23–334 Fragment:residues 23-334 Histone H3 K4-Me 9-residue peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:Crystals were grown by hanging drop vapour equilibration in Nextal plates as follows: 1 ul of 10 15 mg ml-1 protein solution (10 mM Tris, HCl (pH 7.4), 50 mM NaCl, and 10 mM 2-mercaptoethanol) were mixed with 1 ul of well solution composed of 50 mM HEPES (pH 7.5), 100 mM potassium formate, and 10-20% (w/v) polyethylene glycol 3350 and equilibrated at room temperature overnight against 1 ml of well solution. Resolution 1.89 Å R-free 0.190
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 23–334 Fragment:residues 23-334 Histone H3 K4-Me 9-residue peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:Crystals were grown by hanging drop vapour equilibration in Nextal plates as follows: 1 ul of 10 15 mg ml-1 protein solution (10 mM Tris, HCl (pH 7.4), 50 mM NaCl, and 10 mM 2-mercaptoethanol) were mixed with 1 ul of well solution composed of 50 mM HEPES (pH 7.5), 100 mM potassium formate, and 10-20% (w/v) polyethylene glycol 3350 and equilibrated at room temperature overnight against 1 ml of well solution. Resolution 1.89 Å R-free 0.190

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.

198 other PDB entries and 293 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name WDR5_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–312; UniProt 23–334 Author chain B; PDBConstruct 1–312; UniProt 23–334

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 2h6k

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2h6k
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2h6k
Deposition date deposition_date2006-05-31
Structure title titleHistone H3 recognition and presentation by the WDR5 module of the MLL1 complex
Keywords keywordsWD40 WD-repeat histone modification MLL SET chromatin, GENE REGULATION; GENE REGULATION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.48
Radius of gyration Rg (electron density) rg_electron26.68
Forward intensity I(0) i075849600.00
Molecular weight molecular_weight69212.0 kDa
Excluded volume excluded_volume87055 ų
Envelope volume envelope_volume100670 ų
Hydration-shell volume shell_volume31473 ų
Envelope diameter envelope_diameter89.6
Shell Rg shell_rg34.00
Envelope Rg envelope_rg26.49
Shape Rg shape_rg26.65
Total Rg total_rg27.55
Total atoms total_atoms4875
Residues n_residues626
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 dmax85.7
Rg (real space) rg_real27.50
Rg uncertainty (real space) rg_real_error0.61
I(0) (real space) i0_real7.5850e+07
I(0) uncertainty (real space) i0_real_error1.0780e+06
Rg (reciprocal space) rg_reciprocal27.49
I(0) (reciprocal space) i0_reciprocal75850000.0000
Solution quality estimate total_estimate0.9003
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary84.3
Skewness Skewness skewness0.325
Kurtosis Kurtosis kurtosis-0.585
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha20730000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.919; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.953

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2h6ka_
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.4 — WD40 repeat-like
Family Family familyb.69.4.0 — automated matches
Domain ID domain_idd2h6kb_
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.4 — WD40 repeat-like
Family Family familyb.69.4.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id2h6kA00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id2h6kB00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

8. Citations (1)

9. Files and Curves (10)