6ecl

Crystal Structure of a 1,2,4-Triazole Allosteric RNase H Inhibitor in Complex with HIV Reverse Transcriptase

Method: X-RAY DIFFRACTION Dmax: 117.4 Å Quality: GOOD

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

Reverse transcriptase/ribonuclease H

Human immunodeficiency virus type 1 group M subtype B (isolate BH10)

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 domain Mutation:C879S Fragment:p51 domain Mutation:C879S MN MANGANESE (II) ION × 2 T90 1-[4-methoxy-3-[[5-methyl-4-(phenylmethyl)-1,2,4-triazol-3-yl]sulfanylmethyl]phenyl]ethanone × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6;277 K;PEG 3350, SODIUM POTASSIUM PHOSPHATE, BIS TRIS PROPANE Resolution 2.38 Å R-free 0.229

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 6ecl

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6ecl
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6ecl
Deposition date deposition_date2018-08-08
Structure title titleCrystal Structure of a 1,2,4-Triazole Allosteric RNase H Inhibitor in Complex with HIV Reverse Transcriptase
Keywords keywordsHIV-1, REVERSE TRANSCRIPTASE, RNASE H, INHIBITOR, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.55
Radius of gyration Rg (electron density) rg_electron34.84
Forward intensity I(0) i0172333000.00
Molecular weight molecular_weight111440.0 kDa
Excluded volume excluded_volume142070 ų
Envelope volume envelope_volume192090 ų
Hydration-shell volume shell_volume46049 ų
Envelope diameter envelope_diameter121.0
Shell Rg shell_rg41.35
Envelope Rg envelope_rg34.30
Shape Rg shape_rg34.78
Total Rg total_rg35.55
Total atoms total_atoms7882
Residues n_residues956
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 dmax117.4
Rg (real space) rg_real35.52
Rg uncertainty (real space) rg_real_error1.20
I(0) (real space) i0_real1.7230e+08
I(0) uncertainty (real space) i0_real_error3.0090e+06
Rg (reciprocal space) rg_reciprocal35.54
I(0) (reciprocal space) i0_reciprocal172300000.0000
Solution quality estimate total_estimate0.8953
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary44.4
Skewness Skewness skewness0.274
Kurtosis Kurtosis kurtosis-0.424
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23400000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.904; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.925

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd6ecla1
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_idd6ecla2
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_idd6eclb_
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_id6eclA01
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_id6eclA02
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_id6eclA03
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_id6eclA04
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_id6eclA05
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_id6eclB01
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_id6eclB02
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_id6eclB03
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_id6eclB04
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)