1iky

HIV-1 Reverse Transcriptase in Complex with the Inhibitor MSC194

Method: X-RAY DIFFRACTION Dmax: 115.3 Å Quality: EXCELLENT

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

POL POLYPROTEIN

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 168–727 Chain B; UniProt 168–594 Mutation:K103N, E478Q Mutation:K1103N MSD 1-[2-(3-ACETYL-2-HYDROXY-6-METHOXY-PHENYL)-CYCLOPROPYL]-3-(5-CYANO-PYRIDIN-2-YL)-THIOUREA × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;294 K;Ammonium Sulphate, Potassium chloride, HEPES, Magnesium Chloride, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 294K Resolution 3.00 Å R-free 0.273
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 168–727 Chain B; UniProt 168–594 Mutation:K103N, E478Q Mutation:K1103N MSD 1-[2-(3-ACETYL-2-HYDROXY-6-METHOXY-PHENYL)-CYCLOPROPYL]-3-(5-CYANO-PYRIDIN-2-YL)-THIOUREA × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;294 K;Ammonium Sulphate, Potassium chloride, HEPES, Magnesium Chloride, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 294K Resolution 3.00 Å R-free 0.273

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 468 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 168–727 Author chain B; PDBConstruct 1–427; UniProt 168–594

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 1iky

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1iky
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1iky
Deposition date deposition_date2001-05-07
Structure title titleHIV-1 Reverse Transcriptase in Complex with the Inhibitor MSC194
Keywords keywordsHeterodimer, 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_guinier35.47
Radius of gyration Rg (electron density) rg_electron34.69
Forward intensity I(0) i0173224000.00
Molecular weight molecular_weight111540.0 kDa
Excluded volume excluded_volume142100 ų
Envelope volume envelope_volume190660 ų
Hydration-shell volume shell_volume45716 ų
Envelope diameter envelope_diameter115.8
Shell Rg shell_rg41.43
Envelope Rg envelope_rg34.15
Shape Rg shape_rg34.64
Total Rg total_rg35.39
Total atoms total_atoms7894
Residues n_residues962
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 dmax115.3
Rg (real space) rg_real35.39
Rg uncertainty (real space) rg_real_error0.99
I(0) (real space) i0_real1.7320e+08
I(0) uncertainty (real space) i0_real_error2.6510e+06
Rg (reciprocal space) rg_reciprocal35.44
I(0) (reciprocal space) i0_reciprocal173200000.0000
Solution quality estimate total_estimate0.9027
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary43.5
Skewness Skewness skewness0.203
Kurtosis Kurtosis kurtosis-0.524
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23490000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.927; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.951

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1ikya1
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_idd1ikya2
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_idd1ikyb_
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_id1ikyA01
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_id1ikyA02
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_id1ikyA03
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_id1ikyA04
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_id1ikyA05
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_id1ikyB01
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_id1ikyB02
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_id1ikyB03
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_id1ikyB04
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)