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1qfn

GLUTAREDOXIN-1-RIBONUCLEOTIDE REDUCTASE B1 MIXED DISULFIDE BOND

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

PROTEIN (GLUTAREDOXIN 1)

Escherichia coli

UniProt P68688

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 PROTEIN (RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE 1) × 1 （P00452） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1ego 1egr 1grx

3 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1qfn

1 assemblies

View Construct and Data Evidence
UniProt name GLRX1_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–85； UniProt 1–85

PROTEIN (RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE 1)

Escherichia coli

UniProt P00452

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 PROTEIN (GLUTAREDOXIN 1) × 1 （P68688） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1rlr

1 assemblies

Homodimer
8vhn 8vho 8vhp 8vhp 8vhp 8vhp 8vhq 8vhq 8vhr 8vhr

10 assemblies

Homotetramer

None

Other homooligomers
1r1r 3r1r 5r1r 6r1r 7r1r

5 assemblies

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

89 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name RIR1_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–25； UniProt 737–761

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_id1qfn
Deposition date deposition_date1999-04-12
Structure title titleGLUTAREDOXIN-1-RIBONUCLEOTIDE REDUCTASE B1 MIXED DISULFIDE BOND
Keywords keywordsGLUTAREDOXIN, RIBONUCLEOTIDE REDUCTASE, DISULFIDE, ELECTRON TRANSFER, ELECTRON TRANSPORT-OXIDOREDUCTASE COMPLEX; ELECTRON TRANSPORT/OXIDOREDUCTASE
Experimental Method methodSOLUTION NMR
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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.

1qfn__assembly_1__model_15

Assembly 1 · Model 15 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1qfn__assembly_1__model_15 | I(q)

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

1qfn__assembly_1__model_15 | 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）16.04 Å
Rg (electron density)14.70 Å
Total Rg15.85 Å
Atom count1670
Residues110
Excluded volume14977 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1qfn__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1qfn__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1qfn__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1qfn__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1qfn__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1qfn__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1qfn__assembly_1__model_7 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1qfn__assembly_1__model_8 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1qfn__assembly_1__model_9 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1qfn__assembly_1__model_10 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1qfn__assembly_1__model_11 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1qfn__assembly_1__model_12 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1qfn__assembly_1__model_13 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1qfn__assembly_1__model_14 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 1qfn__assembly_1__model_15 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 1qfn__assembly_1__model_16 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 1qfn__assembly_1__model_17 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 1qfn__assembly_1__model_18 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 1qfn__assembly_1__model_19 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 1qfn__assembly_1__model_20 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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1qfna_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.1 — Thioltransferase

CATH v4.4 (1 domains)

Domain ID domain_id1qfnA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
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7. Citations (1)