3k2p

HIV-1 Reverse Transcriptase Isolated RnaseH Domain with the Inhibitor beta-thujaplicinol Bound at the Active Site

Method: X-RAY DIFFRACTION Dmax: 61.9 Å Quality: EXCELLENT

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

Reverse Transcriptase

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1026–1159 Not recorded MN MANGANESE (II) ION × 2 JTH 2,7-dihydroxy-4-(propan-2-yl)cyclohepta-2,4,6-trien-1-one × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;295 K;0.2M Formate pH 7.0, 10% PEG 3350, 10mM MnCl2, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.04 Å R-free 0.241
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1026–1159 Not recorded MN MANGANESE (II) ION × 2 JTH 2,7-dihydroxy-4-(propan-2-yl)cyclohepta-2,4,6-trien-1-one × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;295 K;0.2M Formate pH 7.0, 10% PEG 3350, 10mM MnCl2, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.04 Å R-free 0.241
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1026–1159 Chain B; UniProt 1026–1159 Not recorded MN MANGANESE (II) ION × 4 JTH 2,7-dihydroxy-4-(propan-2-yl)cyclohepta-2,4,6-trien-1-one × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;295 K;0.2M Formate pH 7.0, 10% PEG 3350, 10mM MnCl2, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.04 Å R-free 0.241

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 467 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1B1
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–136; UniProt 1026–1159 Author chain B; PDBConstruct 3–136; UniProt 1026–1159

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 3k2p

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3k2p
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3k2p
Deposition date deposition_date2009-09-30
Structure title titleHIV-1 Reverse Transcriptase Isolated RnaseH Domain with the Inhibitor beta-thujaplicinol Bound at the Active Site
Keywords keywords;RNAse H inhibitor, reverse transcriptase, AIDS, HIV, protein-inhibitor complex, structure-based drug design, tropolones, tropylium ion, divalent cation chelator, metal-binding, RNA-binding, hydrolase ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.82
Radius of gyration Rg (electron density) rg_electron18.77
Forward intensity I(0) i014656600.00
Molecular weight molecular_weight29343.0 kDa
Excluded volume excluded_volume37003 ų
Envelope volume envelope_volume43376 ų
Hydration-shell volume shell_volume19287 ų
Envelope diameter envelope_diameter62.3
Shell Rg shell_rg24.98
Envelope Rg envelope_rg18.78
Shape Rg shape_rg18.76
Total Rg total_rg19.72
Total atoms total_atoms2060
Residues n_residues262
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 dmax61.9
Rg (real space) rg_real19.69
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real1.4660e+07
I(0) uncertainty (real space) i0_real_error1.9230e+05
Rg (reciprocal space) rg_reciprocal19.71
I(0) (reciprocal space) i0_reciprocal14660000.0000
Solution quality estimate total_estimate0.9057
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.6
Skewness Skewness skewness0.125
Kurtosis Kurtosis kurtosis-0.502
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1764000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.928; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.988

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3k2pa_
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_idd3k2pb_
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

CATH v4.4 (2 domains)

Domain ID domain_id3k2pA00
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_id3k2pB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H

8. Citations (1)

9. Files and Curves (10)