4z8l

Crystal structure of DCAF1/SIV-MND VPX/MND SAMHD1 NTD ternary complex

Method: X-RAY DIFFRACTION Dmax: 107.6 Å Quality: GOOD

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

Protein VPRBP

Homo sapiens

UniProt Q9Y4B6

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1057–1396 Fragment:UNP residues 1057-1396 Vpx protein × 1 (Q7ZB17) SAM domain and HD domain-containing protein × 1 (H6WEA4) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;298 K;1.6 M NaH2PO4, 0.4 M K2HPO4, 0.1 M Sodium Phosphate/Citrate buffer, pH 4.2 Resolution 2.60 Å R-free 0.228
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 1057–1396 Fragment:UNP residues 1057-1396 Vpx protein × 1 (Q7ZB17) SAM domain and HD domain-containing protein × 1 (H6WEA4) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;298 K;1.6 M NaH2PO4, 0.4 M K2HPO4, 0.1 M Sodium Phosphate/Citrate buffer, pH 4.2 Resolution 2.60 Å R-free 0.228

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.

46 other PDB entries and 59 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VPRBP_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–341; UniProt 1057–1396 Author chain D; PDBConstruct 2–341; UniProt 1057–1396

Vpx protein

Simian immunodeficiency virus

UniProt Q7ZB17

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 1–89 Not recorded Protein VPRBP × 1 (Q9Y4B6) SAM domain and HD domain-containing protein × 1 (H6WEA4) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;298 K;1.6 M NaH2PO4, 0.4 M K2HPO4, 0.1 M Sodium Phosphate/Citrate buffer, pH 4.2 Resolution 2.60 Å R-free 0.228
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain E; UniProt 1–89 Not recorded Protein VPRBP × 1 (Q9Y4B6) SAM domain and HD domain-containing protein × 1 (H6WEA4) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;298 K;1.6 M NaH2PO4, 0.4 M K2HPO4, 0.1 M Sodium Phosphate/Citrate buffer, pH 4.2 Resolution 2.60 Å R-free 0.228

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 Q7ZB17_SIV
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 4–92; UniProt 1–89 Author chain E; PDBConstruct 4–92; UniProt 1–89

SAM domain and HD domain-containing protein

Mandrillus sphinx

UniProt H6WEA4

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 1–115 Fragment:N-terminal Protein VPRBP × 1 (Q9Y4B6) Vpx protein × 1 (Q7ZB17) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;298 K;1.6 M NaH2PO4, 0.4 M K2HPO4, 0.1 M Sodium Phosphate/Citrate buffer, pH 4.2 Resolution 2.60 Å R-free 0.228
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain F; UniProt 1–115 Fragment:N-terminal Protein VPRBP × 1 (Q9Y4B6) Vpx protein × 1 (Q7ZB17) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;298 K;1.6 M NaH2PO4, 0.4 M K2HPO4, 0.1 M Sodium Phosphate/Citrate buffer, pH 4.2 Resolution 2.60 Å R-free 0.228

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 H6WEA4_MANSP
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 4–118; UniProt 1–115 Author chain F; PDBConstruct 4–118; UniProt 1–115

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 4z8l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4z8l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4z8l
Deposition date deposition_date2015-04-09
Structure title titleCrystal structure of DCAF1/SIV-MND VPX/MND SAMHD1 NTD ternary complex
Keywords keywordsHIV, antiviral defense, Viral Protein-VPX-BINDING PROTEIN complex; Viral Protein/VPX-BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.12
Radius of gyration Rg (electron density) rg_electron32.58
Forward intensity I(0) i0197338000.00
Molecular weight molecular_weight109670.0 kDa
Excluded volume excluded_volume135940 ų
Envelope volume envelope_volume175470 ų
Hydration-shell volume shell_volume44327 ų
Envelope diameter envelope_diameter120.0
Shell Rg shell_rg39.88
Envelope Rg envelope_rg32.36
Shape Rg shape_rg32.59
Total Rg total_rg33.11
Total atoms total_atoms7714
Residues n_residues955
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 dmax107.6
Rg (real space) rg_real33.02
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real1.9730e+08
I(0) uncertainty (real space) i0_real_error2.8940e+06
Rg (reciprocal space) rg_reciprocal33.07
I(0) (reciprocal space) i0_reciprocal197300000.0000
Solution quality estimate total_estimate0.8986
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary38.1
Skewness Skewness skewness0.227
Kurtosis Kurtosis kurtosis-0.473
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha54010000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.908; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.957

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id4z8lA00
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_id4z8lB00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily4730
Domain ID domain_id4z8lD00
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_id4z8lE00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily4730

8. Citations (1)

9. Files and Curves (10)