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9sjz

Serial electron diffraction (SerialED) structure of Ribonucleotide reductase R2 from E. coli in its oxidised (met) form (re-oxidised)

Method: ELECTRON CRYSTALLOGRAPHY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Ribonucleoside-diphosphate reductase 1 subunit beta

Escherichia coli

UniProt P69924

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 FE (III) ION × 4 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2x0x 2xak 2xap 2xav 2xaw 2xax 2xay 2xaz 2xo4 2xo5

10 assemblies

Homodimer
1av8 1biq 1jpr 1jqc 1mrr 1mxr 1pfr 1pim 1piu 1piy 1piz 1pj0

37 assemblies; showing the first 12

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1r1r 1r1r 1r1r 1r1r 1r1r 2r1r 2r1r 2r1r 2r1r 2r1r 2r1r 2r1r

80 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name RIR2_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–375； UniProt 2–376 Author chain B； PDBConstruct 1–375； UniProt 2–376

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_id9sjz
Deposition date deposition_date2025-09-01
Last revision last_revision2026-04-22
Structure title titleSerial electron diffraction (SerialED) structure of Ribonucleotide reductase R2 from E. coli in its oxidised (met) form (re-oxidised)
Keywords keywords;serial electron diffraction, SerialED, microcrystal, metalloenzyme, iron, ribonucleotide reductase, electrostatic potential, OXIDOREDUCTASE ;; OXIDOREDUCTASE
Experimental Method methodELECTRON CRYSTALLOGRAPHY
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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.

9sjz__assembly_1__model_1

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

Download this curve (.dat)

9sjz__assembly_1__model_1 | I(q)

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

9sjz__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）27.23 Å
Rg (electron density)26.04 Å
Total Rg26.89 Å
Atom count11054
Residues681
Excluded volume99584 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9sjz__assembly_1__model_1 dimeric （2） 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 (3)

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7. Citations (1)