7z1z

MVV strand transfer complex (STC) intasome in complex with LEDGF/p75 at 3.5 A resolution

Method: ELECTRON MICROSCOPY Dmax: 222.0 Å Quality: GOOD

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

Pol polyprotein

Visna/maedi virus EV1 KV1772

UniProt P35956

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–DNA Heteromer Protein × 18 DNA 6 PDB declaration: 24-meric(24) Consistent with all polymer counts Chain A; UniProt 821–1101 Chain B; UniProt 821–1101 Chain C; UniProt 821–1101 Chain D; UniProt 821–1101 Chain E; UniProt 821–1101 Chain F; UniProt 821–1101 Chain G; UniProt 821–1101 Chain H; UniProt 821–1101 Chain I; UniProt 821–1101 Chain J; UniProt 821–1101 Chain K; UniProt 821–1101 Chain L; UniProt 821–1101 Chain M; UniProt 821–1101 Chain N; UniProt 821–1101 Chain O; UniProt 821–1101 Chain P; UniProt 821–1101 Fragment:UNP residues 821-1101 PC4 and SFRS1-interacting protein × 2 (O75475) ;DNA (5'-D(*GP*CP*TP*GP*CP*GP*AP*GP*AP*TP*CP*CP*GP*CP*TP*CP*CP*GP*GP*TP*G)-3') ; × 2 DNA (37-MER) × 2 ;DNA (5'-D(P*TP*TP*GP*AP*TP*TP*AP*GP*GP*GP*TP*G)-3') ; × 2 ZN ZINC ION × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 6.5;310 mM NaCl, 3 mM CaCl2, 25 mM BisTris-HCl, pH 6.5. cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.50 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.

7 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_VILVK
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–281; UniProt 821–1101 Author chain B; PDBConstruct 1–281; UniProt 821–1101 Author chain C; PDBConstruct 1–281; UniProt 821–1101 Author chain D; PDBConstruct 1–281; UniProt 821–1101 Author chain E; PDBConstruct 1–281; UniProt 821–1101 Author chain F; PDBConstruct 1–281; UniProt 821–1101 Author chain G; PDBConstruct 1–281; UniProt 821–1101 Author chain H; PDBConstruct 1–281; UniProt 821–1101 Author chain I; PDBConstruct 1–281; UniProt 821–1101 Author chain J; PDBConstruct 1–281; UniProt 821–1101 Author chain K; PDBConstruct 1–281; UniProt 821–1101 Author chain L; PDBConstruct 1–281; UniProt 821–1101 Author chain M; PDBConstruct 1–281; UniProt 821–1101 Author chain N; PDBConstruct 1–281; UniProt 821–1101 Author chain O; PDBConstruct 1–281; UniProt 821–1101 Author chain P; PDBConstruct 1–281; UniProt 821–1101

PC4 and SFRS1-interacting protein

Homo sapiens

UniProt O75475

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–DNA Heteromer Protein × 18 DNA 6 PDB declaration: 24-meric(24) Consistent with all polymer counts Chain Q; UniProt 347–435 Chain R; UniProt 347–435 Not recorded Pol polyprotein × 16 (P35956) ;DNA (5'-D(*GP*CP*TP*GP*CP*GP*AP*GP*AP*TP*CP*CP*GP*CP*TP*CP*CP*GP*GP*TP*G)-3') ; × 2 DNA (37-MER) × 2 ;DNA (5'-D(P*TP*TP*GP*AP*TP*TP*AP*GP*GP*GP*TP*G)-3') ; × 2 ZN ZINC ION × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 6.5;310 mM NaCl, 3 mM CaCl2, 25 mM BisTris-HCl, pH 6.5. cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.50 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.

34 other PDB entries and 54 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PSIP1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain Q; PDBConstruct 1–89; UniProt 347–435 Author chain R; PDBConstruct 1–89; UniProt 347–435

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 7z1z

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7z1z
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7z1z
Deposition date deposition_date2022-02-25
Structure title titleMVV strand transfer complex (STC) intasome in complex with LEDGF/p75 at 3.5 A resolution
Keywords keywordsIntasome, Integrase, MVV, Lentivirus, HIV, strand transfer complex, LEDGF, IBD, DNA, integration, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier63.16
Radius of gyration Rg (electron density) rg_electron64.43
Forward intensity I(0) i04026800000.00
Molecular weight molecular_weight507990.0 kDa
Excluded volume excluded_volume624370 ų
Envelope volume envelope_volume1061400 ų
Hydration-shell volume shell_volume137380 ų
Envelope diameter envelope_diameter211.5
Shell Rg shell_rg65.31
Envelope Rg envelope_rg62.16
Shape Rg shape_rg64.50
Total Rg total_rg64.22
Total atoms total_atoms35605
Residues n_residues4171
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 dmax222.0
Rg (real space) rg_real63.28
Rg uncertainty (real space) rg_real_error1.65
I(0) (real space) i0_real4.0280e+09
I(0) uncertainty (real space) i0_real_error8.8210e+07
Rg (reciprocal space) rg_reciprocal63.15
I(0) (reciprocal space) i0_reciprocal4027000000.0000
Solution quality estimate total_estimate0.8659
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary79.9
Skewness Skewness skewness0.337
Kurtosis Kurtosis kurtosis-0.352
Angular range angular_range— – 0.1250 −1
Current regularization parameter α current_alpha0.0387
Highest regularization parameter α highest_alpha433400000.0000
Real-space data points n_real_points26
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.797; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.870

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 18 domains

CATH v4.4 (18 domains)

Domain ID domain_id7z1zA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zD01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zE01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zF01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zF02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily10 — Integrase, C-terminal domain superfamily, retroviral
Domain ID domain_id7z1zG01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zI01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zJ01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zK01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zL01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zM01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zN01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zN02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily10 — Integrase, C-terminal domain superfamily, retroviral
Domain ID domain_id7z1zO01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id7z1zQ01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology930 — Transcription Elongation Factor S-II; Chain A
Homologous superfamily homologous superfamily10 — Conserved domain common to transcription factors TFIIS, elongin A, CRSP70
Domain ID domain_id7z1zR01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology930 — Transcription Elongation Factor S-II; Chain A
Homologous superfamily homologous superfamily10 — Conserved domain common to transcription factors TFIIS, elongin A, CRSP70

8. Citations (1)

9. Files and Curves (10)