1hrh

CRYSTAL STRUCTURE OF THE RIBONUCLEASE H DOMAIN OF HIV-1 REVERSE TRANSCRIPTASE

Method: X-RAY DIFFRACTION Dmax: 61.2 Å Quality: EXCELLENT

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

RIBONUCLEASE H

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 594–729 Chain B; UniProt 594–729 Not recorded No other associated polymer X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å

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
Chains and sequence ranges Author chain A; PDBConstruct 1–136; UniProt 594–729 Author chain B; PDBConstruct 1–136; UniProt 594–729

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 1hrh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1hrh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1hrh
Deposition date deposition_date1991-03-06
Structure title titleCRYSTAL STRUCTURE OF THE RIBONUCLEASE H DOMAIN OF HIV-1 REVERSE TRANSCRIPTASE
Keywords keywordsHYDROLASE(ENDORIBONUCLEASE); HYDROLASE(ENDORIBONUCLEASE)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.83
Radius of gyration Rg (electron density) rg_electron18.95
Forward intensity I(0) i011123900.00
Molecular weight molecular_weight25492.0 kDa
Excluded volume excluded_volume32194 ų
Envelope volume envelope_volume37723 ų
Hydration-shell volume shell_volume16859 ų
Envelope diameter envelope_diameter61.6
Shell Rg shell_rg24.77
Envelope Rg envelope_rg19.10
Shape Rg shape_rg18.97
Total Rg total_rg19.80
Total atoms total_atoms1803
Residues n_residues247
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 dmax61.2
Rg (real space) rg_real19.77
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real1.1120e+07
I(0) uncertainty (real space) i0_real_error1.3970e+05
Rg (reciprocal space) rg_reciprocal19.78
I(0) (reciprocal space) i0_reciprocal11120000.0000
Solution quality estimate total_estimate0.9117
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.4
Skewness Skewness skewness0.224
Kurtosis Kurtosis kurtosis-0.524
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1892000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.950; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1hrha1
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_idd1hrhb1
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_id1hrhA00
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_id1hrhB00
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 (2)

9. Files and Curves (10)