2bfz

Bacillus cereus metallo-beta-lactamase (BcII) Arg (121) Cys mutant. Solved at pH4.5 using 20mM ZnSO4 in buffer. 1mM DTT was used as a reducing agent. Cys221 is oxidized.

Method: X-RAY DIFFRACTION Dmax: 84.9 Å Quality: GOOD

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

BETA-LACTAMASE II

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 1–227 Non-standard monomer:Yes (specific site not provided by mmCIF) GOL GLYCEROL × 4 ZN ZINC ION × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;291 K;PROTEIN WAS CRYSTALLISED USING HANGING DROP VAPOR DIFFUSION. RESERVOIR SOLUTION CONTAINED 100MM TRIS AT PH4.5-5, 70-75% AMMONIUM SULPHATE, 1MM DTT OR 1MM DTT AND 1MM TCEP-HCL, 2MM ZNSO4 AND 0.1% AZIDE. PROTEIN CONCENTRATION OF 2.7 MG/ML. DROPS WERE KEPT AT 291K AND WERE STREAK SEEDED FROM A WILD TYPE CRYSTAL AFTER 1 DAY., PH 4.50 Resolution 2.30 Å R-free 0.239
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–227 Non-standard monomer:Yes (specific site not provided by mmCIF) GOL GLYCEROL × 5 ZN ZINC ION × 1 SO4 SULFATE ION × 3 AZI AZIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;291 K;PROTEIN WAS CRYSTALLISED USING HANGING DROP VAPOR DIFFUSION. RESERVOIR SOLUTION CONTAINED 100MM TRIS AT PH4.5-5, 70-75% AMMONIUM SULPHATE, 1MM DTT OR 1MM DTT AND 1MM TCEP-HCL, 2MM ZNSO4 AND 0.1% AZIDE. PROTEIN CONCENTRATION OF 2.7 MG/ML. DROPS WERE KEPT AT 291K AND WERE STREAK SEEDED FROM A WILD TYPE CRYSTAL AFTER 1 DAY., PH 4.50 Resolution 2.30 Å R-free 0.239

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 61 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BLA2_BACCE
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–227; UniProt 1–227 Author chain B; PDBConstruct 1–227; UniProt 1–227

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 2bfz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2bfz
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id2bfz
Deposition date deposition_date2004-12-16
Structure title titleBacillus cereus metallo-beta-lactamase (BcII) Arg (121) Cys mutant. Solved at pH4.5 using 20mM ZnSO4 in buffer. 1mM DTT was used as a reducing agent. Cys221 is oxidized.
Keywords keywordsHYDROLASE, ANTIBIOTIC RESISTANCE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.11
Radius of gyration Rg (electron density) rg_electron25.68
Forward intensity I(0) i040553300.00
Molecular weight molecular_weight49160.0 kDa
Excluded volume excluded_volume61585 ų
Envelope volume envelope_volume74829 ų
Hydration-shell volume shell_volume24850 ų
Envelope diameter envelope_diameter86.5
Shell Rg shell_rg32.29
Envelope Rg envelope_rg25.61
Shape Rg shape_rg25.65
Total Rg total_rg26.51
Total atoms total_atoms3439
Residues n_residues432
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 dmax84.9
Rg (real space) rg_real26.21
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real4.0550e+07
I(0) uncertainty (real space) i0_real_error5.6730e+05
Rg (reciprocal space) rg_reciprocal26.18
I(0) (reciprocal space) i0_reciprocal40550000.0000
Solution quality estimate total_estimate0.8734
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary25.0
Skewness Skewness skewness0.398
Kurtosis Kurtosis kurtosis-0.567
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha17800000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.826; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.913; Smooth: 0.959

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2bfza1
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_idd2bfza2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2bfzb1
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_idd2bfzb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id2bfzA00
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_id2bfzB00
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 (3)

9. Files and Curves (10)