1mqo

Metallo-beta-lactamase BcII Cd substituted from Bacillus cereus at 1.35 angstroms resolution

Method: X-RAY DIFFRACTION Dmax: 49.9 Å Quality: REASONABLE

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 31–257 Not recorded CD CADMIUM ION × 3 CIT CITRIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.9;281.15 K;13%PEG 8K, 10mM sodium citrate, 100 microM DTT, 100mM MES buffer 4.9, and 1mM CdSO4, VAPOR DIFFUSION, HANGING DROP, temperature 281.15K Resolution 1.35 Å R-free 0.248

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 1–227; 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 1mqo

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1mqo
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1mqo
Deposition date deposition_date2002-09-17
Structure title titleMetallo-beta-lactamase BcII Cd substituted from Bacillus cereus at 1.35 angstroms resolution
Keywords keywordsalpha-beta/beta-alpha fold, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.20
Radius of gyration Rg (electron density) rg_electron16.11
Forward intensity I(0) i010971100.00
Molecular weight molecular_weight24678.0 kDa
Excluded volume excluded_volume30915 ų
Envelope volume envelope_volume34177 ų
Hydration-shell volume shell_volume17272 ų
Envelope diameter envelope_diameter53.9
Shell Rg shell_rg22.76
Envelope Rg envelope_rg16.43
Shape Rg shape_rg16.11
Total Rg total_rg17.17
Total atoms total_atoms1725
Residues n_residues221
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 dmax49.9
Rg (real space) rg_real17.01
Rg uncertainty (real space) rg_real_error0.05
I(0) (real space) i0_real1.0560e+07
I(0) uncertainty (real space) i0_real_error7.8080e+04
Rg (reciprocal space) rg_reciprocal17.08
I(0) (reciprocal space) i0_reciprocal10970000.0000
Solution quality estimate total_estimate0.7201
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary21.6
Skewness Skewness skewness0.087
Kurtosis Kurtosis kurtosis-0.450
Angular range angular_range— – 0.4650 −1
Current regularization parameter α current_alpha11.7700
Highest regularization parameter α highest_alpha2481000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.958; Stabil: 0.915; Sysdev: 0.000; Positv: 1.000; Valcen: 0.973; Smooth: 0.786

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1mqoa_
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_id1mqoA00
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)