6yev

Crystal structure of MsrA C206 and Trx C35S complex from Escherichia coli

Method: X-RAY DIFFRACTION Dmax: 127.0 Å Quality: REASONABLE

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

Thioredoxin 1

Escherichia coli K-12

UniProt P0AA25

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 1–109 Mutation:Cys35Ser Peptide methionine sulfoxide reductase MsrA × 1 (P0A744) NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;277.15 K;0.1M BIS-TRIS propane pH 6.5, 0.2M trisodium citrate, 20% PEG 3350 Resolution 2.94 Å R-free 0.258
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 1–109 Mutation:Cys35Ser Peptide methionine sulfoxide reductase MsrA × 1 (P0A744) NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;277.15 K;0.1M BIS-TRIS propane pH 6.5, 0.2M trisodium citrate, 20% PEG 3350 Resolution 2.94 Å R-free 0.258
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 1–109 Mutation:Cys35Ser Peptide methionine sulfoxide reductase MsrA × 1 (P0A744) NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;277.15 K;0.1M BIS-TRIS propane pH 6.5, 0.2M trisodium citrate, 20% PEG 3350 Resolution 2.94 Å R-free 0.258

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.

52 other PDB entries and 98 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name THIO_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain E; PDBConstruct 1–109; UniProt 1–109 Author chain F; PDBConstruct 1–109; UniProt 1–109 Author chain G; PDBConstruct 1–109; UniProt 1–109

Peptide methionine sulfoxide reductase MsrA

Escherichia coli K-12

UniProt P0A744

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–212 Mutation:Cys51Ala, Cys86Ala, Cys198Ala Thioredoxin 1 × 1 (P0AA25) NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;277.15 K;0.1M BIS-TRIS propane pH 6.5, 0.2M trisodium citrate, 20% PEG 3350 Resolution 2.94 Å R-free 0.258
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–212 Mutation:Cys51Ala, Cys86Ala, Cys198Ala Thioredoxin 1 × 1 (P0AA25) NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;277.15 K;0.1M BIS-TRIS propane pH 6.5, 0.2M trisodium citrate, 20% PEG 3350 Resolution 2.94 Å R-free 0.258
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–212 Mutation:Cys51Ala, Cys86Ala, Cys198Ala Thioredoxin 1 × 1 (P0AA25) NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;277.15 K;0.1M BIS-TRIS propane pH 6.5, 0.2M trisodium citrate, 20% PEG 3350 Resolution 2.94 Å R-free 0.258
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 1–212 Mutation:Cys51Ala, Cys86Ala, Cys198Ala NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;277.15 K;0.1M BIS-TRIS propane pH 6.5, 0.2M trisodium citrate, 20% PEG 3350 Resolution 2.94 Å R-free 0.258

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.

3 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MSRA_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–212; UniProt 1–212 Author chain B; PDBConstruct 1–212; UniProt 1–212 Author chain C; PDBConstruct 1–212; UniProt 1–212 Author chain D; PDBConstruct 1–212; UniProt 1–212

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 6yev

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6yev
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6yev
Deposition date deposition_date2020-03-25
Structure title titleCrystal structure of MsrA C206 and Trx C35S complex from Escherichia coli
Keywords keywordsReductase, S-Methionine sulfoxide reductase, Oxidative stress, OXIDOREDUCTASE, complex, thioredoxin; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.75
Radius of gyration Rg (electron density) rg_electron35.51
Forward intensity I(0) i0243099000.00
Molecular weight molecular_weight124290.0 kDa
Excluded volume excluded_volume154780 ų
Envelope volume envelope_volume205630 ų
Hydration-shell volume shell_volume49519 ų
Envelope diameter envelope_diameter134.6
Shell Rg shell_rg40.58
Envelope Rg envelope_rg35.49
Shape Rg shape_rg35.48
Total Rg total_rg35.97
Total atoms total_atoms8777
Residues n_residues1142
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 dmax127.0
Rg (real space) rg_real35.74
Rg uncertainty (real space) rg_real_error1.35
I(0) (real space) i0_real2.4310e+08
I(0) uncertainty (real space) i0_real_error4.3320e+06
Rg (reciprocal space) rg_reciprocal35.75
I(0) (reciprocal space) i0_reciprocal243100000.0000
Solution quality estimate total_estimate0.6412
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.2
Skewness Skewness skewness0.388
Kurtosis Kurtosis kurtosis0.015
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha42580000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.700; Stabil: 1.000; Sysdev: 0.101; Positv: 1.000; Valcen: 0.985; Smooth: 0.944

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (7 domains)

Domain ID domain_idd6yeva_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.28 — Peptide methionine sulfoxide reductase
Family Family familyd.58.28.1 — Peptide methionine sulfoxide reductase
Domain ID domain_idd6yevb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.28 — Peptide methionine sulfoxide reductase
Family Family familyd.58.28.1 — Peptide methionine sulfoxide reductase
Domain ID domain_idd6yevc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.28 — Peptide methionine sulfoxide reductase
Family Family familyd.58.28.1 — Peptide methionine sulfoxide reductase
Domain ID domain_idd6yevd_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.28 — Peptide methionine sulfoxide reductase
Family Family familyd.58.28.1 — Peptide methionine sulfoxide reductase
Domain ID domain_idd6yeve_
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
Domain ID domain_idd6yevf_
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
Domain ID domain_idd6yevg_
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 (3 domains)

Domain ID domain_id6yevE01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id6yevF01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id6yevG01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin

8. Citations (1)

9. Files and Curves (10)