2bfk

Bacillus cereus metallo-beta-lactamase (BcII) Arg (121) Cys mutant. Solved at pH7 using 20mM ZnSO4 in buffer. 1mM DTT was used as a reducing agent

Method: X-RAY DIFFRACTION Dmax: 84.3 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 31–49 Chain A; UniProt 50–67 Chain A; UniProt 68–102 Chain A; UniProt 103–108 Chain A; UniProt 109–131 Chain A; UniProt 132–149 Chain A; UniProt 150–188 Chain A; UniProt 189–191 Chain A; UniProt 192–242 Chain A; UniProt 243–257 Mutation:YES AZI AZIDE ION × 1 GOL GLYCEROL × 10 ZN ZINC ION × 2 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;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 7.00 Resolution 2.00 Å R-free 0.208
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 31–49 Chain B; UniProt 50–67 Chain B; UniProt 68–102 Chain B; UniProt 103–108 Chain B; UniProt 109–131 Chain B; UniProt 132–149 Chain B; UniProt 150–188 Chain B; UniProt 189–191 Chain B; UniProt 192–242 Chain B; UniProt 243–257 Mutation:YES AZI AZIDE ION × 1 GOL GLYCEROL × 6 ZN ZINC ION × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;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 7.00 Resolution 2.00 Å R-free 0.208

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
Chains and sequence ranges Author chain A; PDBConstruct 1–19; UniProt 31–49 Author chain A; PDBConstruct 20–37; UniProt 50–67 Author chain A; PDBConstruct 38–72; UniProt 68–102 Author chain A; PDBConstruct 73–78; UniProt 103–108 Author chain A; PDBConstruct 79–101; UniProt 109–131 Author chain A; PDBConstruct 102–119; UniProt 132–149 Author chain A; PDBConstruct 120–158; UniProt 150–188 Author chain A; PDBConstruct 159–161; UniProt 189–191 Author chain A; PDBConstruct 162–212; UniProt 192–242 Author chain A; PDBConstruct 213–227; UniProt 243–257 Author chain B; PDBConstruct 1–19; UniProt 31–49 Author chain B; PDBConstruct 20–37; UniProt 50–67 Author chain B; PDBConstruct 38–72; UniProt 68–102 Author chain B; PDBConstruct 73–78; UniProt 103–108 Author chain B; PDBConstruct 79–101; UniProt 109–131 Author chain B; PDBConstruct 102–119; UniProt 132–149 Author chain B; PDBConstruct 120–158; UniProt 150–188 Author chain B; PDBConstruct 159–161; UniProt 189–191 Author chain B; PDBConstruct 162–212; UniProt 192–242 Author chain B; PDBConstruct 213–227; UniProt 243–257

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 2bfk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2bfk
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id2bfk
Deposition date deposition_date2004-12-07
Structure title titleBacillus cereus metallo-beta-lactamase (BcII) Arg (121) Cys mutant. Solved at pH7 using 20mM ZnSO4 in buffer. 1mM DTT was used as a reducing agent
Keywords keywordsHYDROLASE, ZINC, METALLO-BETA-LACTAMASE, ANTIBIOTIC RESISTANCE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.93
Radius of gyration Rg (electron density) rg_electron25.55
Forward intensity I(0) i041941400.00
Molecular weight molecular_weight50260.0 kDa
Excluded volume excluded_volume63029 ų
Envelope volume envelope_volume75530 ų
Hydration-shell volume shell_volume25197 ų
Envelope diameter envelope_diameter87.1
Shell Rg shell_rg32.17
Envelope Rg envelope_rg25.54
Shape Rg shape_rg25.54
Total Rg total_rg26.32
Total atoms total_atoms3513
Residues n_residues440
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 dmax84.3
Rg (real space) rg_real26.03
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real4.1940e+07
I(0) uncertainty (real space) i0_real_error5.8860e+05
Rg (reciprocal space) rg_reciprocal26.00
I(0) (reciprocal space) i0_reciprocal41940000.0000
Solution quality estimate total_estimate0.8716
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.9
Skewness Skewness skewness0.425
Kurtosis Kurtosis kurtosis-0.514
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23610000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.819; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.915; Smooth: 0.954

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2bfka_
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_idd2bfkb_
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 (2 domains)

Domain ID domain_id2bfkA00
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_id2bfkB00
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)