1wbd

Crystal structure of E. coli DNA mismatch repair enzyme MutS, E38Q mutant, in complex with a G.T mismatch

Method: X-RAY DIFFRACTION Dmax: 130.6 Å Quality: GOOD

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

DNA MISMATCH REPAIR PROTEIN MUTS

ESCHERICHIA COLI

UniProt P23909

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–DNA Homooligomer Protein × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 1–800 Chain B; UniProt 1–800 Fragment:RESIDUES 1-800 Mutation:YES ;5'-D(*AP*GP*CP*TP*GP*CP*CP*AP*GP*GP *CP*AP*CP*CP*AP*GP*TP*G)-3' ; × 1 ;5'-D(*AP*CP*TP*GP*GP*TP*GP*CP*TP*TP *GP*GP*CP*AP*GP*CP*T)-3' ; × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;25 MM HEPES(7.5), 300 MM NACL, 10 MM MGCL2, 14 % PEG 6000., pH 7.50 Resolution 2.40 Å R-free 0.259

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.

24 other PDB entries and 30 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MUTS_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–800; UniProt 1–800 Author chain B; PDBConstruct 1–800; UniProt 1–800

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 1wbd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1wbd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1wbd
Deposition date deposition_date2004-10-31
Structure title titleCrystal structure of E. coli DNA mismatch repair enzyme MutS, E38Q mutant, in complex with a G.T mismatch
Keywords keywordsDNA-BINDING, ATP-BINDING, DNA BINDING, DNA REPAIR, MISMATCH RECOGNITION; DNA-BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier40.86
Radius of gyration Rg (electron density) rg_electron40.21
Forward intensity I(0) i0554493000.00
Molecular weight molecular_weight184370.0 kDa
Excluded volume excluded_volume227550 ų
Envelope volume envelope_volume323260 ų
Hydration-shell volume shell_volume65308 ų
Envelope diameter envelope_diameter130.1
Shell Rg shell_rg47.74
Envelope Rg envelope_rg39.02
Shape Rg shape_rg40.22
Total Rg total_rg40.58
Total atoms total_atoms12913
Residues n_residues1577
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 dmax130.6
Rg (real space) rg_real40.71
Rg uncertainty (real space) rg_real_error0.86
I(0) (real space) i0_real5.5450e+08
I(0) uncertainty (real space) i0_real_error9.3120e+06
Rg (reciprocal space) rg_reciprocal40.86
I(0) (reciprocal space) i0_reciprocal554600000.0000
Solution quality estimate total_estimate0.8296
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary53.6
Skewness Skewness skewness0.142
Kurtosis Kurtosis kurtosis-0.532
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha47870000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.927; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 17 domains

SCOP 2.08 (7 domains)

Domain ID domain_idd1wbda1
Class classa — All alpha proteins
Fold Fold folda.113 — DNA repair protein MutS, domain III
Superfamily Superfamily superfamilya.113.1 — DNA repair protein MutS, domain III
Family Family familya.113.1.0 — automated matches
Domain ID domain_idd1wbda2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.0 — automated matches
Domain ID domain_idd1wbda3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.6 — DNA repair protein MutS, domain II
Family Family familyc.55.6.0 — automated matches
Domain ID domain_idd1wbda4
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.75 — MutS N-terminal domain-like
Superfamily Superfamily superfamilyd.75.2 — DNA repair protein MutS, domain I
Family Family familyd.75.2.0 — automated matches
Domain ID domain_idd1wbdb1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.6 — DNA repair protein MutS, domain II
Family Family familyc.55.6.0 — automated matches
Domain ID domain_idd1wbdb2
Class classa — All alpha proteins
Fold Fold folda.113 — DNA repair protein MutS, domain III
Superfamily Superfamily superfamilya.113.1 — DNA repair protein MutS, domain III
Family Family familya.113.1.0 — automated matches
Domain ID domain_idd1wbdb3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.0 — automated matches

CATH v4.4 (10 domains)

Domain ID domain_id1wbdA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1170 — MutS, DNA mismatch repair protein, domain I
Homologous superfamily homologous superfamily10 — DNA repair protein MutS, domain I
Domain ID domain_id1wbdA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily110 — MutS, connector domain
Domain ID domain_id1wbdA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1420 — MutS, DNA mismatch repair protein; Chain A, domain 3
Homologous superfamily homologous superfamily10
Domain ID domain_id1wbdA04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1420 — MutS, DNA mismatch repair protein; Chain A, domain 3
Homologous superfamily homologous superfamily10
Domain ID domain_id1wbdA05
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1wbdB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1170 — MutS, DNA mismatch repair protein, domain I
Homologous superfamily homologous superfamily10 — DNA repair protein MutS, domain I
Domain ID domain_id1wbdB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily110 — MutS, connector domain
Domain ID domain_id1wbdB03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1420 — MutS, DNA mismatch repair protein; Chain A, domain 3
Homologous superfamily homologous superfamily10
Domain ID domain_id1wbdB04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1420 — MutS, DNA mismatch repair protein; Chain A, domain 3
Homologous superfamily homologous superfamily10
Domain ID domain_id1wbdB05
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. Citations (1)

9. Files and Curves (10)