1wbb

Crystal structure of E. coli DNA mismatch repair enzyme MutS, E38A mutant, in complex with a G.T mismatch

Method: X-RAY DIFFRACTION Dmax: 128.8 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 2.50 Å R-free 0.270

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 1wbb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1wbb
Deposition date deposition_date2004-10-31
Structure title titleCrystal structure of E. coli DNA mismatch repair enzyme MutS, E38A 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_guinier40.90
Radius of gyration Rg (electron density) rg_electron40.25
Forward intensity I(0) i0553137000.00
Molecular weight molecular_weight184250.0 kDa
Excluded volume excluded_volume227430 ų
Envelope volume envelope_volume322860 ų
Hydration-shell volume shell_volume65148 ų
Envelope diameter envelope_diameter130.0
Shell Rg shell_rg47.83
Envelope Rg envelope_rg39.05
Shape Rg shape_rg40.26
Total Rg total_rg40.62
Total atoms total_atoms12905
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 dmax128.8
Rg (real space) rg_real40.75
Rg uncertainty (real space) rg_real_error1.37
I(0) (real space) i0_real5.5310e+08
I(0) uncertainty (real space) i0_real_error1.0140e+07
Rg (reciprocal space) rg_reciprocal40.90
I(0) (reciprocal space) i0_reciprocal553200000.0000
Solution quality estimate total_estimate0.8988
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary52.8
Skewness Skewness skewness0.137
Kurtosis Kurtosis kurtosis-0.538
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha47680000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.939; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.873

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_idd1wbba1
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_idd1wbba2
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_idd1wbba3
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_idd1wbba4
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_idd1wbbb1
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_idd1wbbb2
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_idd1wbbb3
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_id1wbbA01
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_id1wbbA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily110 — MutS, connector domain
Domain ID domain_id1wbbA03
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_id1wbbA04
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_id1wbbA05
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_id1wbbB01
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_id1wbbB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily110 — MutS, connector domain
Domain ID domain_id1wbbB03
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_id1wbbB04
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_id1wbbB05
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)