1c1a

CRYSTAL STRUCTURE OF RSV TWO-DOMAIN INTEGRASE

Method: X-RAY DIFFRACTION Dmax: 80.6 Å Quality: GOOD

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

RSV INTEGRASE

Rous sarcoma virus

UniProt P03354

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 621–858 Chain B; UniProt 621–858 Fragment:RESIDUES 49-286 Mutation:F199K No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:ROD-SHAPED CRYSTALS WERE GROWN BY SITTING DROP VAPOR DIFFUSION METHOD. RESERVOIR SOLUTION CONTAINED 0.050M KCL, 0.01M MGCL2, 0.1M SODIUM CACODYLATE, 0.02M IMIDAZOLE, PH 7.2, 10% PEG3350, AND 20% (V/V) ETHYLENE GLYCOL. THE DROP CONTAINED 1:1 MIXTURE OF RESERVOIR SOLUTION AND PROTEIN (10-15 MG/ML) Resolution 3.10 Å R-free 0.337

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.

36 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_RSVP
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–238; UniProt 621–858 Author chain B; PDBConstruct 1–238; UniProt 621–858

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 1c1a

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1c1a
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1c1a
Deposition date deposition_date1999-07-21
Structure title titleCRYSTAL STRUCTURE OF RSV TWO-DOMAIN INTEGRASE
Keywords keywordsINTEGRASE, ROUS SARCOMA VIRUS, HIV, VIRUS/VIRAL PROTEIN, Viral protein; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.87
Radius of gyration Rg (electron density) rg_electron24.00
Forward intensity I(0) i038695700.00
Molecular weight molecular_weight48151.0 kDa
Excluded volume excluded_volume60517 ų
Envelope volume envelope_volume73629 ų
Hydration-shell volume shell_volume26084 ų
Envelope diameter envelope_diameter83.4
Shell Rg shell_rg30.74
Envelope Rg envelope_rg24.19
Shape Rg shape_rg23.97
Total Rg total_rg24.89
Total atoms total_atoms3397
Residues n_residues430
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 dmax80.6
Rg (real space) rg_real24.87
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real3.8700e+07
I(0) uncertainty (real space) i0_real_error5.4180e+05
Rg (reciprocal space) rg_reciprocal24.87
I(0) (reciprocal space) i0_reciprocal38700000.0000
Solution quality estimate total_estimate0.8934
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.4
Skewness Skewness skewness0.348
Kurtosis Kurtosis kurtosis-0.377
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7459000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.887; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.968

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1c1aa1
Class classb — All beta proteins
Fold Fold foldb.34 — SH3-like barrel
Superfamily Superfamily superfamilyb.34.7 — DNA-binding domain of retroviral integrase
Family Family familyb.34.7.1 — DNA-binding domain of retroviral integrase
Domain ID domain_idd1c1aa2
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.55.3.2 — Retroviral integrase, catalytic domain
Domain ID domain_idd1c1ab1
Class classb — All beta proteins
Fold Fold foldb.34 — SH3-like barrel
Superfamily Superfamily superfamilyb.34.7 — DNA-binding domain of retroviral integrase
Family Family familyb.34.7.1 — DNA-binding domain of retroviral integrase
Domain ID domain_idd1c1ab2
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.55.3.2 — Retroviral integrase, catalytic domain

CATH v4.4 (4 domains)

Domain ID domain_id1c1aA01
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_id1c1aA02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily10 — Integrase, C-terminal domain superfamily, retroviral
Domain ID domain_id1c1aB01
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_id1c1aB02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily10 — Integrase, C-terminal domain superfamily, retroviral

8. Citations (1)

9. Files and Curves (10)