1ir6

Crystal structure of exonuclease RecJ bound to manganese

Method: X-RAY DIFFRACTION
▼

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

exonuclease RecJ

Thermus thermophilus

UniProt Q93R48

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 MANGANESE (II) ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q93R48_THETH
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–424; UniProt 40–463

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id1ir6
Deposition date deposition_date2001-09-11
Structure title titleCrystal structure of exonuclease RecJ bound to manganese
Keywords keywords;manganese, DNA repair, DNA recombination, nuclease, single-stranded DNA, two domains interconnected by alpha-helix, RIKEN Structural Genomics/Proteomics Initiative, RSGI, Structural Genomics, HYDROLASE ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION
▼

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.

1ir6__assembly_1__model_1

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

Download this curve (.dat)

1ir6__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1ir6__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)22.59 Å
Rg (electron density)21.81 Å
Total Rg22.64 Å
Atom count2920
Residues385
Excluded volume52470 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1ir6__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1ir6a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.107 — DHH phosphoesterases
Superfamily Superfamily superfamilyc.107.1 — DHH phosphoesterases
Family Family familyc.107.1.2 — Exonuclease RecJ

CATH v4.4 (2 domains)

Domain ID domain_id1ir6A01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1640 — inorganic pyrophosphatase (n-terminal core)
Homologous superfamily homologous superfamily30 —
Domain ID domain_id1ir6A02
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology310 — Diaminopimelate Epimerase; Chain A, domain 1
Homologous superfamily homologous superfamily30 —
▶

7. Citations (2)