9e3b

Cryo-EM structure of PRMT5/WDR77 in complex with 6S complex

Method: ELECTRON MICROSCOPY Dmax: 163.5 Å Quality: GOOD

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

Protein arginine N-methyltransferase 5

Homo sapiens

UniProt O14744

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 × 16 PDB declaration: hexadecameric(16) Consistent with protein copy count Chain A; UniProt 1–637 Chain C; UniProt 1–637 Chain G; UniProt 1–637 Chain J; UniProt 1–637 Not recorded Methylosome protein WDR77 × 4 (Q9BQA1) Methylosome subunit pICln × 4 (P54105) Small nuclear ribonucleoprotein Sm D1 × 4 (P62314) SFG SINEFUNGIN × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;30 mM HEPES pH 7.4, 150 mM NaCl, 3 mM TCEP, 3.33 mM sinefungin cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.06 Å

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.

91 other PDB entries and 96 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ANM5_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–637; UniProt 1–637 Author chain C; PDBConstruct 1–637; UniProt 1–637 Author chain G; PDBConstruct 1–637; UniProt 1–637 Author chain J; PDBConstruct 1–637; UniProt 1–637

Methylosome protein WDR77

Homo sapiens

UniProt Q9BQA1

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 × 16 PDB declaration: hexadecameric(16) Consistent with protein copy count Chain B; UniProt 1–342 Chain E; UniProt 1–342 Chain H; UniProt 1–342 Chain K; UniProt 1–342 Not recorded Protein arginine N-methyltransferase 5 × 4 (O14744) Methylosome subunit pICln × 4 (P54105) Small nuclear ribonucleoprotein Sm D1 × 4 (P62314) SFG SINEFUNGIN × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;30 mM HEPES pH 7.4, 150 mM NaCl, 3 mM TCEP, 3.33 mM sinefungin cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.06 Å

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.

89 other PDB entries and 94 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MEP50_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 6–347; UniProt 1–342 Author chain E; PDBConstruct 6–347; UniProt 1–342 Author chain H; PDBConstruct 6–347; UniProt 1–342 Author chain K; PDBConstruct 6–347; UniProt 1–342

Methylosome subunit pICln

Homo sapiens

UniProt P54105

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 × 16 PDB declaration: hexadecameric(16) Consistent with protein copy count Chain D; UniProt 1–237 Chain F; UniProt 1–237 Chain I; UniProt 1–237 Chain L; UniProt 1–237 Not recorded Protein arginine N-methyltransferase 5 × 4 (O14744) Methylosome protein WDR77 × 4 (Q9BQA1) Small nuclear ribonucleoprotein Sm D1 × 4 (P62314) SFG SINEFUNGIN × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;30 mM HEPES pH 7.4, 150 mM NaCl, 3 mM TCEP, 3.33 mM sinefungin cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.06 Å

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.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ICLN_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain D; PDBConstruct 5–241; UniProt 1–237 Author chain F; PDBConstruct 5–241; UniProt 1–237 Author chain I; PDBConstruct 5–241; UniProt 1–237 Author chain L; PDBConstruct 5–241; UniProt 1–237

Small nuclear ribonucleoprotein Sm D1

Homo sapiens

UniProt P62314

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 × 16 PDB declaration: hexadecameric(16) Consistent with protein copy count Chain M; UniProt 1–119 Chain N; UniProt 1–119 Chain O; UniProt 1–119 Chain P; UniProt 1–119 Not recorded Protein arginine N-methyltransferase 5 × 4 (O14744) Methylosome protein WDR77 × 4 (Q9BQA1) Methylosome subunit pICln × 4 (P54105) SFG SINEFUNGIN × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;30 mM HEPES pH 7.4, 150 mM NaCl, 3 mM TCEP, 3.33 mM sinefungin cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.06 Å

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.

81 other PDB entries and 118 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMD1_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain M; PDBConstruct 10–128; UniProt 1–119 Author chain N; PDBConstruct 10–128; UniProt 1–119 Author chain O; PDBConstruct 10–128; UniProt 1–119 Author chain P; PDBConstruct 10–128; UniProt 1–119

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 9e3b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9e3b
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9e3b
Deposition date deposition_date2024-10-23
最后修订 last_revision2025-02-19
Structure title titleCryo-EM structure of PRMT5/WDR77 in complex with 6S complex
Keywords keywordsPRMT5, Methyl transferase, WDR77, arginine, TRANSFERASE; TRANSFERASE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier51.44
Radius of gyration Rg (electron density) rg_electron50.97
Forward intensity I(0) i02636920000.00
Molecular weight molecular_weight427670.0 kDa
Excluded volume excluded_volume533640 ų
Envelope volume envelope_volume702010 ų
Hydration-shell volume shell_volume111270 ų
Envelope diameter envelope_diameter161.2
Shell Rg shell_rg57.21
Envelope Rg envelope_rg50.08
Shape Rg shape_rg50.96
Total Rg total_rg51.20
Total atoms total_atoms59458
Residues n_residues3799
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 dmax163.5
Rg (real space) rg_real51.22
Rg uncertainty (real space) rg_real_error1.04
I(0) (real space) i0_real2.6370e+09
I(0) uncertainty (real space) i0_real_error4.6090e+07
Rg (reciprocal space) rg_reciprocal51.61
I(0) (reciprocal space) i0_reciprocal2638000000.0000
Solution quality estimate total_estimate0.8252
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary63.3
Skewness Skewness skewness0.095
Kurtosis Kurtosis kurtosis-0.585
Angular range angular_range— – 0.1550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha224100000.0000
Real-space data points n_real_points32
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.914; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (2)

9. Files and Curves (10)