5znr

Crystal structure of PtSHL in complex with an H3K27me3 peptide

Method: X-RAY DIFFRACTION Dmax: 95.0 Å Quality: GOOD

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

SHORT LIFE family protein

Populus trichocarpa

UniProt B9H0V2

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 1–215 Not recorded 17-mer peptide from Histone H3.2 × 1 (P59226) ZN ZINC ION × 2 SO4 SULFATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 10.5;277 K;0.2 M lithium sulfate, 2.0 M ammonium sulfate, 0.1 M CAPS, pH 10.5 Resolution 3.20 Å R-free 0.232
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–215 Not recorded 17-mer peptide from Histone H3.2 × 1 (P59226) ZN ZINC ION × 2 SO4 SULFATE ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 10.5;277 K;0.2 M lithium sulfate, 2.0 M ammonium sulfate, 0.1 M CAPS, pH 10.5 Resolution 3.20 Å R-free 0.232

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 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B9H0V2_POPTR
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–216; UniProt 1–215 Author chain B; PDBConstruct 2–216; UniProt 1–215

17-mer peptide from Histone H3.2

OrganismNot specified

UniProt P59226

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 P; UniProt 21–37 Non-standard monomer:Yes (specific site not provided by mmCIF) SHORT LIFE family protein × 1 (B9H0V2) ZN ZINC ION × 2 SO4 SULFATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 10.5;277 K;0.2 M lithium sulfate, 2.0 M ammonium sulfate, 0.1 M CAPS, pH 10.5 Resolution 3.20 Å R-free 0.232
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain Q; UniProt 21–37 Non-standard monomer:Yes (specific site not provided by mmCIF) SHORT LIFE family protein × 1 (B9H0V2) ZN ZINC ION × 2 SO4 SULFATE ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 10.5;277 K;0.2 M lithium sulfate, 2.0 M ammonium sulfate, 0.1 M CAPS, pH 10.5 Resolution 3.20 Å R-free 0.232

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.

36 other PDB entries and 46 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H32_ARATH
Isoform
PDB entities 2
Chains and sequence ranges Author chain P; PDBConstruct 1–17; UniProt 21–37 Author chain Q; PDBConstruct 1–17; UniProt 21–37

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 5znr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5znr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5znr
Deposition date deposition_date2018-04-10
Structure title titleCrystal structure of PtSHL in complex with an H3K27me3 peptide
Keywords keywordsBAH, PHD, SHL, plant, H3K27me3, epigenetics, 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_guinier27.34
Radius of gyration Rg (electron density) rg_electron26.63
Forward intensity I(0) i040614600.00
Molecular weight molecular_weight45623.0 kDa
Excluded volume excluded_volume55357 ų
Envelope volume envelope_volume76172 ų
Hydration-shell volume shell_volume24431 ų
Envelope diameter envelope_diameter98.5
Shell Rg shell_rg32.92
Envelope Rg envelope_rg26.56
Shape Rg shape_rg26.60
Total Rg total_rg27.36
Total atoms total_atoms3165
Residues n_residues389
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 dmax95.0
Rg (real space) rg_real27.37
Rg uncertainty (real space) rg_real_error0.88
I(0) (real space) i0_real4.0610e+07
I(0) uncertainty (real space) i0_real_error6.2880e+05
Rg (reciprocal space) rg_reciprocal27.36
I(0) (reciprocal space) i0_reciprocal40610000.0000
Solution quality estimate total_estimate0.8822
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.8
Skewness Skewness skewness0.315
Kurtosis Kurtosis kurtosis-0.362
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4657000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.846; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.942; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id5znrB01
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily490 — Bromo adjacent homology (BAH) domain

8. Citations (1)

9. Files and Curves (10)