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2r0q

Crystal structure of a serine recombinase- DNA regulatory complex

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Putative transposon Tn552 DNA-invertase bin3

Staphylococcus aureus

UniProt P20384

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Homooligomer Protein 4 DNA 4 31-MER × 2 31-MER × 2 SULFATE ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
5c31 5c31 5c31 5c32 5c34

5 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
2r0q

1 assemblies

View Construct and Data Evidence
UniProt name BIN3_STAAU
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 1–202； UniProt 1–202 Author chain D； PDBConstruct 1–202； UniProt 1–202 Author chain E； PDBConstruct 1–202； UniProt 1–202 Author chain F； PDBConstruct 1–202； UniProt 1–202

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id2r0q
Deposition date deposition_date2007-08-21
Structure title titleCrystal structure of a serine recombinase- DNA regulatory complex
Keywords keywords;site-specific recombinase, resolvase, dna-binding protein, protein-dna complex, DNA integration, DNA invertase, DNA recombination, Plasmid, Transposable element, Transposition, RECOMBINATION-DNA COMPLEX ;; RECOMBINATION/DNA
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2r0q__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2r0q__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2r0q__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）41.77 Å
Rg (electron density)43.79 Å
Total Rg43.82 Å
Atom count8700
Residues892
Excluded volume147780 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2r0q__assembly_1__model_1 octameric （8） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

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6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id2r0qC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1390 — Resolvase, N-terminal catalytic domain
Domain ID domain_id2r0qC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily60 — Homeodomain-like
Domain ID domain_id2r0qD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1390 — Resolvase, N-terminal catalytic domain
Domain ID domain_id2r0qD02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily60 — Homeodomain-like
Domain ID domain_id2r0qE01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1390 — Resolvase, N-terminal catalytic domain
Domain ID domain_id2r0qE02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily60 — Homeodomain-like
Domain ID domain_id2r0qF01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1390 — Resolvase, N-terminal catalytic domain
Domain ID domain_id2r0qF02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily60 — Homeodomain-like
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7. Citations (1)