3kns

Bacillus cereus metallo-beta-lactamase Cys221Asp mutant, 20 mM Zn(II)

Method: X-RAY DIFFRACTION Dmax: 92.9 Å Quality: EXCELLENT

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

Beta-lactamase 2

Bacillus cereus

UniProt P04190

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 31–257 Mutation:C168D ZN ZINC ION × 2 SO4 SULFATE ION × 3 ACY ACETIC ACID × 1 GOL GLYCEROL × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.9;293 K;0.1 M Sodium Acetate, 2.8 M Ammonium Sulfate, 20 mM Zinc Sulfate, pH 4.9, Vapor diffusion, hanging drop., temperature 293K Resolution 1.58 Å R-free 0.194
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 31–257 Mutation:C168D ZN ZINC ION × 2 SO4 SULFATE ION × 1 ACY ACETIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.9;293 K;0.1 M Sodium Acetate, 2.8 M Ammonium Sulfate, 20 mM Zinc Sulfate, pH 4.9, Vapor diffusion, hanging drop., temperature 293K Resolution 1.58 Å R-free 0.194
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 31–257 Mutation:C168D ZN ZINC ION × 2 ACY ACETIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.9;293 K;0.1 M Sodium Acetate, 2.8 M Ammonium Sulfate, 20 mM Zinc Sulfate, pH 4.9, Vapor diffusion, hanging drop., temperature 293K Resolution 1.58 Å R-free 0.194
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 31–257 Mutation:C168D ZN ZINC ION × 2 SO4 SULFATE ION × 1 ACY ACETIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.9;293 K;0.1 M Sodium Acetate, 2.8 M Ammonium Sulfate, 20 mM Zinc Sulfate, pH 4.9, Vapor diffusion, hanging drop., temperature 293K Resolution 1.58 Å R-free 0.194

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.

43 other PDB entries and 59 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BLA2_BACCE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–227; UniProt 31–257 Author chain B; PDBConstruct 1–227; UniProt 31–257 Author chain C; PDBConstruct 1–227; UniProt 31–257 Author chain D; PDBConstruct 1–227; UniProt 31–257

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 3kns

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3kns
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3kns
Deposition date deposition_date2009-11-12
Structure title titleBacillus cereus metallo-beta-lactamase Cys221Asp mutant, 20 mM Zn(II)
Keywords keywordsMetallo-beta-lactamase, Zn-dependent hydrolase, Antibiotic resistance, Hydrolase, Metal-binding; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.74
Radius of gyration Rg (electron density) rg_electron29.05
Forward intensity I(0) i0136124000.00
Molecular weight molecular_weight93221.0 kDa
Excluded volume excluded_volume117050 ų
Envelope volume envelope_volume140400 ų
Hydration-shell volume shell_volume39622 ų
Envelope diameter envelope_diameter97.9
Shell Rg shell_rg37.01
Envelope Rg envelope_rg28.60
Shape Rg shape_rg29.03
Total Rg total_rg29.82
Total atoms total_atoms6537
Residues n_residues837
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 dmax92.9
Rg (real space) rg_real29.60
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real1.3610e+08
I(0) uncertainty (real space) i0_real_error1.8490e+06
Rg (reciprocal space) rg_reciprocal29.66
I(0) (reciprocal space) i0_reciprocal136100000.0000
Solution quality estimate total_estimate0.9028
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary40.3
Skewness Skewness skewness0.144
Kurtosis Kurtosis kurtosis-0.508
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha77760000.0000
Real-space data points n_real_points54
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: 0.996; Smooth: 0.956

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3knsa_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamilyd.157.1 — Metallo-hydrolase/oxidoreductase
Family Family familyd.157.1.1 — Zn metallo-beta-lactamase
Domain ID domain_idd3knsb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamilyd.157.1 — Metallo-hydrolase/oxidoreductase
Family Family familyd.157.1.1 — Zn metallo-beta-lactamase
Domain ID domain_idd3knsc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamilyd.157.1 — Metallo-hydrolase/oxidoreductase
Family Family familyd.157.1.1 — Zn metallo-beta-lactamase
Domain ID domain_idd3knsd_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamilyd.157.1 — Metallo-hydrolase/oxidoreductase
Family Family familyd.157.1.1 — Zn metallo-beta-lactamase

CATH v4.4 (4 domains)

Domain ID domain_id3knsA00
Class class3 — Alpha Beta
Architecture architecture60 — 4-Layer Sandwich
Topology topology15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like
Domain ID domain_id3knsB00
Class class3 — Alpha Beta
Architecture architecture60 — 4-Layer Sandwich
Topology topology15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like
Domain ID domain_id3knsC00
Class class3 — Alpha Beta
Architecture architecture60 — 4-Layer Sandwich
Topology topology15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like
Domain ID domain_id3knsD00
Class class3 — Alpha Beta
Architecture architecture60 — 4-Layer Sandwich
Topology topology15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like

8. Citations (1)

9. Files and Curves (10)