2q9m

4-Substituted Trinems as Broad Spectrum-Lactamase Inhibitors: Structure-based Design, Synthesis and Biological Activity

Method: X-RAY DIFFRACTION Dmax: 69.6 Å Quality: GOOD

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

Beta-lactamase

OrganismNot specified

UniProt P05364

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 22–380 Not recorded LK7 (1R,4S,7AS)-1-(1-FORMYLPROP-1-EN-1-YL)-4-METHOXY-2,4,5,6,7,7A-HEXAHYDRO-1H-ISOINDOLE-3-CARBOXYLIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;292 K;0.05M Cacodylate, 30% PEG8000, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K Resolution 2.05 Å R-free 0.245

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.

11 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AMPC_ENTCL
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–359; UniProt 22–380

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 2q9m

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2q9m
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2q9m
Deposition date deposition_date2007-06-13
Structure title title4-Substituted Trinems as Broad Spectrum-Lactamase Inhibitors: Structure-based Design, Synthesis and Biological Activity
Keywords keywordsbeta-lactamase inhibitor, tricyclic carbapenem, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.72
Radius of gyration Rg (electron density) rg_electron19.64
Forward intensity I(0) i024726700.00
Molecular weight molecular_weight39255.0 kDa
Excluded volume excluded_volume49598 ų
Envelope volume envelope_volume56006 ų
Hydration-shell volume shell_volume23199 ų
Envelope diameter envelope_diameter73.2
Shell Rg shell_rg26.82
Envelope Rg envelope_rg19.96
Shape Rg shape_rg19.63
Total Rg total_rg20.62
Total atoms total_atoms2770
Residues n_residues359
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 dmax69.6
Rg (real space) rg_real20.60
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real2.4730e+07
I(0) uncertainty (real space) i0_real_error3.7480e+05
Rg (reciprocal space) rg_reciprocal20.63
I(0) (reciprocal space) i0_reciprocal24730000.0000
Solution quality estimate total_estimate0.7905
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary27.2
Skewness Skewness skewness0.217
Kurtosis Kurtosis kurtosis-0.310
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9508000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.763; Stabil: 0.995; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; 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_idd2q9ma_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.3 — beta-lactamase/transpeptidase-like
Superfamily Superfamily superfamilye.3.1 — beta-lactamase/transpeptidase-like
Family Family familye.3.1.1 — beta-Lactamase/D-ala carboxypeptidase

CATH v4.4 (1 domains)

Domain ID domain_id2q9mA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology710 — Beta-lactamase
Homologous superfamily homologous superfamily10 — DD-peptidase/beta-lactamase superfamily

8. Citations (1)

9. Files and Curves (10)