1rdh

CRYSTALLOGRAPHIC ANALYSES OF AN ACTIVE HIV-1 RIBONUCLEASE H DOMAIN SHOW STRUCTURAL FEATURES THAT DISTINGUISH IT FROM THE INACTIVE FORM

Method: X-RAY DIFFRACTION Dmax: 63.0 Å Quality: EXCELLENT

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

HIV-1 REVERSE TRANSCRIPTASE (RIBONUCLEASE H DOMAIN)

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 594–727 Not recorded No other associated polymer X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.80 Å
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 594–727 Not recorded No other associated polymer X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.80 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 468 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 13–146; UniProt 594–727 Author chain B; PDBConstruct 13–146; UniProt 594–727

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 1rdh

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1rdh
Deposition date deposition_date1993-03-05
Structure title titleCRYSTALLOGRAPHIC ANALYSES OF AN ACTIVE HIV-1 RIBONUCLEASE H DOMAIN SHOW STRUCTURAL FEATURES THAT DISTINGUISH IT FROM THE INACTIVE FORM
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_guinier19.87
Radius of gyration Rg (electron density) rg_electron19.21
Forward intensity I(0) i012161400.00
Molecular weight molecular_weight27842.0 kDa
Excluded volume excluded_volume34255 ų
Envelope volume envelope_volume23754 ų
Hydration-shell volume shell_volume11479 ų
Envelope diameter envelope_diameter57.5
Shell Rg shell_rg22.94
Envelope Rg envelope_rg17.96
Shape Rg shape_rg19.08
Total Rg total_rg19.62
Total atoms total_atoms
Residues n_residues
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 dmax63.0
Rg (real space) rg_real19.80
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real1.2160e+07
I(0) uncertainty (real space) i0_real_error1.5780e+05
Rg (reciprocal space) rg_reciprocal19.81
I(0) (reciprocal space) i0_reciprocal12160000.0000
Solution quality estimate total_estimate0.9090
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.2
Skewness Skewness skewness0.181
Kurtosis Kurtosis kurtosis-0.622
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2007000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.943; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1rdha1
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_idd1rdhb1
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

8. Citations (3)

9. Files and Curves (10)