9dpi

Cryo-EM structure of SerRS dimer in complex with two SIRT2

Method: ELECTRON MICROSCOPY Dmax: 144.8 Å Quality: GOOD

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

Serine--tRNA ligase, cytoplasmic

Homo sapiens

UniProt P49591

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain D; UniProt 1–514 Chain F; UniProt 1–514 Not recorded NAD-dependent protein deacetylase sirtuin-2 × 2 (Q8IXJ6) AR6 [(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL[HYDROXY-[[(2R,3S,4R,5S)-3,4,5-TRIHYDROXYOXOLAN-2-YL]METHOXY]PHOSPHORYL] HYDROGEN PHOSPHATE × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5;in 25mM HEPES-Na pH7.5, 150mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.90 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.

8 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYSC_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain D; PDBConstruct 1–514; UniProt 1–514 Author chain F; PDBConstruct 1–514; UniProt 1–514

NAD-dependent protein deacetylase sirtuin-2

Homo sapiens

UniProt Q8IXJ6

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 1–389 Chain E; UniProt 1–389 Not recorded Serine--tRNA ligase, cytoplasmic × 2 (P49591) AR6 [(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL[HYDROXY-[[(2R,3S,4R,5S)-3,4,5-TRIHYDROXYOXOLAN-2-YL]METHOXY]PHOSPHORYL] HYDROGEN PHOSPHATE × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5;in 25mM HEPES-Na pH7.5, 150mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.90 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.

77 other PDB entries and 97 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SIR2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–389; UniProt 1–389 Author chain E; PDBConstruct 1–389; UniProt 1–389

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 9dpi

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9dpi
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id9dpi
Deposition date deposition_date2024-09-21
Structure title titleCryo-EM structure of SerRS dimer in complex with two SIRT2
Keywords keywordsenzymes, protein complexes, RNA BINDING PROTEIN; RNA BINDING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier40.76
Radius of gyration Rg (electron density) rg_electron40.63
Forward intensity I(0) i0172503000.00
Molecular weight molecular_weight108580.0 kDa
Excluded volume excluded_volume136760 ų
Envelope volume envelope_volume192570 ų
Hydration-shell volume shell_volume42010 ų
Envelope diameter envelope_diameter143.0
Shell Rg shell_rg42.75
Envelope Rg envelope_rg40.07
Shape Rg shape_rg40.65
Total Rg total_rg40.72
Total atoms total_atoms7635
Residues n_residues959
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 dmax144.8
Rg (real space) rg_real41.02
Rg uncertainty (real space) rg_real_error1.56
I(0) (real space) i0_real1.7250e+08
I(0) uncertainty (real space) i0_real_error3.0540e+06
Rg (reciprocal space) rg_reciprocal40.76
I(0) (reciprocal space) i0_reciprocal172500000.0000
Solution quality estimate total_estimate0.8200
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary52.0
Skewness Skewness skewness0.480
Kurtosis Kurtosis kurtosis-0.267
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18550000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.738; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.666; Smooth: 0.775

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)