2nzf

Structure of beta-lactamase II from Bacillus cereus. R121H, C221S double mutant. Space group C2.

Method: X-RAY DIFFRACTION Dmax: 58.5 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 37–257 Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M sodium cacodylate, 60 mM sodium tartrate, 18% PEG 3350, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.28 Å R-free 0.238

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 62 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 1–221; UniProt 37–257

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 2nzf

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2nzf
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2nzf
Deposition date deposition_date2006-11-23
Structure title titleStructure of beta-lactamase II from Bacillus cereus. R121H, C221S double mutant. Space group C2.
Keywords keywordsBeta-Lactamase II, Bacillus cereus, Hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.07
Radius of gyration Rg (electron density) rg_electron15.93
Forward intensity I(0) i09792570.00
Molecular weight molecular_weight23685.0 kDa
Excluded volume excluded_volume29903 ų
Envelope volume envelope_volume32397 ų
Hydration-shell volume shell_volume16657 ų
Envelope diameter envelope_diameter53.5
Shell Rg shell_rg22.44
Envelope Rg envelope_rg16.25
Shape Rg shape_rg15.90
Total Rg total_rg17.09
Total atoms total_atoms1667
Residues n_residues215
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 dmax58.5
Rg (real space) rg_real16.94
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real9.7930e+06
I(0) uncertainty (real space) i0_real_error1.0840e+05
Rg (reciprocal space) rg_reciprocal16.96
I(0) (reciprocal space) i0_reciprocal9793000.0000
Solution quality estimate total_estimate0.7763
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary23.1
Skewness Skewness skewness0.101
Kurtosis Kurtosis kurtosis-0.427
Angular range angular_range— – 0.4650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2871000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.698; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2nzfa_
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 (1 domains)

Domain ID domain_id2nzfA00
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)