2b6a

Crystal structure of HIV-1 reverse transcriptase (RT) in complex with THR-50

Method: X-RAY DIFFRACTION Dmax: 115.8 Å Quality: EXCELLENT

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

Reverse transcriptase p66 subunit

Human immunodeficiency virus 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 599–1158 Chain B; UniProt 599–1028 Fragment:RESIDUES 599-1158 Mutation:C280S Fragment:RESIDUES 599-1028 Mutation:C280S T50 1-(2,6-DIFLUOROBENZYL)-2-(2,6-DIFLUOROPHENYL)-4-METHYL-1H-BENZIMIDAZOLE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.8;296 K;PEG8000, AMMINIUM SULPHATE, SODIUM CHLORIDE, pH 6.8, VAPOR DIFFUSION, temperature 296K Resolution 2.65 Å R-free 0.277

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 1–560; UniProt 599–1158 Author chain B; PDBConstruct 1–430; UniProt 599–1028

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 2b6a

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2b6a
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2b6a
Deposition date deposition_date2005-09-30
Structure title titleCrystal structure of HIV-1 reverse transcriptase (RT) in complex with THR-50
Keywords keywordsAIDS, HIV, DRUG DESIGN, REVERSE TRANSCRIPTASE, RT, PROTEIN-INHIBITOR COMPLEX, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.63
Radius of gyration Rg (electron density) rg_electron34.85
Forward intensity I(0) i0175422000.00
Molecular weight molecular_weight111820.0 kDa
Excluded volume excluded_volume142350 ų
Envelope volume envelope_volume198330 ų
Hydration-shell volume shell_volume47222 ų
Envelope diameter envelope_diameter120.6
Shell Rg shell_rg41.58
Envelope Rg envelope_rg34.27
Shape Rg shape_rg34.80
Total Rg total_rg35.57
Total atoms total_atoms7921
Residues n_residues985
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 dmax115.8
Rg (real space) rg_real35.55
Rg uncertainty (real space) rg_real_error0.79
I(0) (real space) i0_real1.7540e+08
I(0) uncertainty (real space) i0_real_error2.8880e+06
Rg (reciprocal space) rg_reciprocal35.60
I(0) (reciprocal space) i0_reciprocal175400000.0000
Solution quality estimate total_estimate0.9013
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary44.7
Skewness Skewness skewness0.215
Kurtosis Kurtosis kurtosis-0.503
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24540000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.925; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.940

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2b6aa1
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_idd2b6aa2
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.55.3.1 — Ribonuclease H
Domain ID domain_idd2b6ab_
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_id2b6aA01
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_id2b6aA02
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_id2b6aA03
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_id2b6aA04
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_id2b6aA05
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_id2b6aB01
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_id2b6aB02
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_id2b6aB03
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_id2b6aB04
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 (2)

9. Files and Curves (10)