4r1r

RIBONUCLEOTIDE REDUCTASE R1 PROTEIN WITH SUBSTRATE, GDP AND EFFECTOR DTTP FROM ESCHERICHIA COLI

Method: X-RAY DIFFRACTION Dmax: 159.1 Å Quality: GOOD

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

RIBONUCLEOTIDE REDUCTASE R1 PROTEIN

Escherichia coli

UniProt P00452

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 2 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
10 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 1 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 1 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 1 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
4 Protein heterocomplex Heteromer Protein × 15 PDB declaration: pentadecameric(15) Consistent with protein copy count Chain A; UniProt 1–761 Chain B; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 9 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 6 GDP GUANOSINE-5'-DIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
5 Protein heterocomplex Heteromer Protein × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain C; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 6 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 6 GDP GUANOSINE-5'-DIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
6 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 1–761 Chain B; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 3 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
7 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 2 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
8 Protein heterocomplex Heteromer Protein × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain A; UniProt 1–761 Chain B; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 6 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 6 GDP GUANOSINE-5'-DIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
9 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–761 Chain B; UniProt 1–761 Mutation:C292A RIBONUCLEOTIDE REDUCTASE R2 PROTEIN × 2 (P69924) TTP THYMIDINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308

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.

33 other PDB entries and 95 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RIR1_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–761; UniProt 1–761 Author chain B; PDBConstruct 1–761; UniProt 1–761 Author chain C; PDBConstruct 1–761; UniProt 1–761

RIBONUCLEOTIDE REDUCTASE R2 PROTEIN

Escherichia coli

UniProt P69924

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 356–375 Chain P; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 1 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
10 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 1 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 1 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 1 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
4 Protein heterocomplex Heteromer Protein × 15 PDB declaration: pentadecameric(15) Consistent with protein copy count Chain D; UniProt 356–375 Chain E; UniProt 356–375 Chain P; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 6 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 6 GDP GUANOSINE-5'-DIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
5 Protein heterocomplex Heteromer Protein × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain F; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 6 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 6 GDP GUANOSINE-5'-DIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
6 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain D; UniProt 356–375 Chain E; UniProt 356–375 Chain P; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 2 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
7 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain F; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 2 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
8 Protein heterocomplex Heteromer Protein × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain D; UniProt 356–375 Chain E; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 6 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 6 GDP GUANOSINE-5'-DIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308
9 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain D; UniProt 356–375 Chain E; UniProt 356–375 Fragment:C-TERMINAL PORTION, 20 RESIDUES RIBONUCLEOTIDE REDUCTASE R1 PROTEIN × 2 (P00452) TTP THYMIDINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;PROTEIN WAS CRYSTALLIZED FROM 1.7 M LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS Resolution 3.20 Å R-free 0.308

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.

62 other PDB entries and 117 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RIR2_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain D; PDBConstruct 1–20; UniProt 356–375 Author chain E; PDBConstruct 1–20; UniProt 356–375 Author chain F; PDBConstruct 1–20; UniProt 356–375 Author chain P; PDBConstruct 1–20; UniProt 356–375

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 4r1r

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4r1r
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id4r1r
Deposition date deposition_date1997-07-22
Structure title titleRIBONUCLEOTIDE REDUCTASE R1 PROTEIN WITH SUBSTRATE, GDP AND EFFECTOR DTTP FROM ESCHERICHIA COLI
Keywords keywords;RIBONUCLEOTIDE REDUCTASE, DEOXYRIBONUCLEOTIDE SYNTHESIS, RADICAL CHEMISTRY, ALLOSTERIC REGULATION, SPECIFICITY, COMPLEX (OXIDOREDUCTASE-PEPTIDE), COMPLEX (OXIDOREDUCTASE-PEPTIDE) complex ;; COMPLEX (OXIDOREDUCTASE/PEPTIDE)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier49.30
Radius of gyration Rg (electron density) rg_electron49.13
Forward intensity I(0) i0962522000.00
Molecular weight molecular_weight256960.0 kDa
Excluded volume excluded_volume320720 ų
Envelope volume envelope_volume439340 ų
Hydration-shell volume shell_volume72710 ų
Envelope diameter envelope_diameter157.0
Shell Rg shell_rg54.83
Envelope Rg envelope_rg48.18
Shape Rg shape_rg49.17
Total Rg total_rg49.21
Total atoms total_atoms18093
Residues n_residues2250
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 dmax159.1
Rg (real space) rg_real49.23
Rg uncertainty (real space) rg_real_error1.25
I(0) (real space) i0_real9.6250e+08
I(0) uncertainty (real space) i0_real_error1.7440e+07
Rg (reciprocal space) rg_reciprocal49.30
I(0) (reciprocal space) i0_reciprocal962600000.0000
Solution quality estimate total_estimate0.8266
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary69.6
Skewness Skewness skewness0.156
Kurtosis Kurtosis kurtosis-0.739
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0002
Highest regularization parameter α highest_alpha127400000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.917; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd4r1ra1
Class classa — All alpha proteins
Fold Fold folda.98 — R1 subunit of ribonucleotide reductase, N-terminal domain
Superfamily Superfamily superfamilya.98.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Family Family familya.98.1.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Domain ID domain_idd4r1ra2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamilyc.7.1 — PFL-like glycyl radical enzymes
Family Family familyc.7.1.2 — R1 subunit of ribonucleotide reductase, C-terminal domain
Domain ID domain_idd4r1rb1
Class classa — All alpha proteins
Fold Fold folda.98 — R1 subunit of ribonucleotide reductase, N-terminal domain
Superfamily Superfamily superfamilya.98.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Family Family familya.98.1.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Domain ID domain_idd4r1rb2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamilyc.7.1 — PFL-like glycyl radical enzymes
Family Family familyc.7.1.2 — R1 subunit of ribonucleotide reductase, C-terminal domain
Domain ID domain_idd4r1rc1
Class classa — All alpha proteins
Fold Fold folda.98 — R1 subunit of ribonucleotide reductase, N-terminal domain
Superfamily Superfamily superfamilya.98.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Family Family familya.98.1.1 — R1 subunit of ribonucleotide reductase, N-terminal domain
Domain ID domain_idd4r1rc2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.7 — PFL-like glycyl radical enzymes
Superfamily Superfamily superfamilyc.7.1 — PFL-like glycyl radical enzymes
Family Family familyc.7.1.2 — R1 subunit of ribonucleotide reductase, C-terminal domain

CATH v4.4 (3 domains)

Domain ID domain_id4r1rA02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id4r1rB02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20
Domain ID domain_id4r1rC02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology70 — Anaerobic Ribonucleotide-triphosphate Reductase Large Chain
Homologous superfamily homologous superfamily20

8. Citations (2)

9. Files and Curves (10)