4ifv

Detecting Allosteric Sites of HIV-1 Reverse Transcriptase by X-Ray Crystallographic Fragment Screening

Method: X-RAY DIFFRACTION Dmax: 115.9 Å Quality: GOOD

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

Exoribonuclease H, p66 RT

Human immunodeficiency virus type 1

UniProt P03366

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 600–1154 Chain B; UniProt 600–1027 Fragment:P66 (unp residues 600-1154) Mutation:K771A, K772A, C879S Fragment:P51 (unp residues 600-1027) Mutation:C879S T27 4-{[4-({4-[(E)-2-cyanoethenyl]-2,6-dimethylphenyl}amino)pyrimidin-2-yl]amino}benzonitrile × 1 FMQ [1-(4-fluorophenyl)-5-methyl-1H-pyrazol-4-yl]methanol × 2 DMS DIMETHYL SULFOXIDE × 11 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.7;277 K;11% PEG 8000, 4% PEG 400, 50 MM IMIDAZOLE, 10 MM SPERMINE, 15 MM MGSO4, 100 MM AMMONIUM SULFATE, AND 5 MM TRIS(2-CARBOXYETHYL)PHOSPHINE, PH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.05 Å R-free 0.219

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.

383 other PDB entries and 469 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1B1
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 3–557; UniProt 600–1154 Author chain B; PDBConstruct 2–429; UniProt 600–1027

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 4ifv

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4ifv
Deposition date deposition_date2012-12-15
Structure title titleDetecting Allosteric Sites of HIV-1 Reverse Transcriptase by X-Ray Crystallographic Fragment Screening
Keywords keywords;RNA-DIRECTED DNA POLYMERASE, DNA POLYMERASE, ENDONUCLEASE, HYDROLASE, MULTIFUNCTIONAL ENZYME, transferase-transferase inhibitor complex ;; transferase/transferase inhibitor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.39
Radius of gyration Rg (electron density) rg_electron34.67
Forward intensity I(0) i0179396000.00
Molecular weight molecular_weight113690.0 kDa
Excluded volume excluded_volume144870 ų
Envelope volume envelope_volume191440 ų
Hydration-shell volume shell_volume45857 ų
Envelope diameter envelope_diameter121.3
Shell Rg shell_rg41.38
Envelope Rg envelope_rg34.33
Shape Rg shape_rg34.63
Total Rg total_rg35.35
Total atoms total_atoms8032
Residues n_residues967
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 dmax115.9
Rg (real space) rg_real35.35
Rg uncertainty (real space) rg_real_error0.87
I(0) (real space) i0_real1.7940e+08
I(0) uncertainty (real space) i0_real_error2.9810e+06
Rg (reciprocal space) rg_reciprocal35.38
I(0) (reciprocal space) i0_reciprocal179400000.0000
Solution quality estimate total_estimate0.8946
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary43.8
Skewness Skewness skewness0.264
Kurtosis Kurtosis kurtosis-0.428
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24800000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.915; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.883

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 13 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4ifva1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.2 — Reverse transcriptase
Domain ID domain_idd4ifva2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.3 — Ribonuclease H-like
Family Family familyc.55.3.0 — automated matches
Domain ID domain_idd4ifva3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4ifvb_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.2 — Reverse transcriptase

CATH v4.4 (9 domains)

Domain ID domain_id4ifvA01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology10 — HIV Type 1 Reverse Transcriptase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — HIV Type 1 Reverse Transcriptase, subunit A, domain 1
Domain ID domain_id4ifvA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id4ifvA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id4ifvA04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id4ifvA05
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_id4ifvB01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology10 — HIV Type 1 Reverse Transcriptase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — HIV Type 1 Reverse Transcriptase, subunit A, domain 1
Domain ID domain_id4ifvB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id4ifvB03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id4ifvB04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain

8. Citations (1)

9. Files and Curves (10)