7ljk

Crystal structure of the deacylation deficient KPC-2 F72Y mutant

Method: X-RAY DIFFRACTION Dmax: 99.0 Å Quality: GOOD

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

Beta-lactamase

Klebsiella pneumoniae

UniProt Q93LQ9

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 26–289 Mutation:F72Y No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;298 K;25% PEG 8,000, 0.1M KsCN, 0.1M Sodium Acetate pH:4.5 Resolution 1.81 Å R-free 0.197
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 26–289 Mutation:F72Y No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;298 K;25% PEG 8,000, 0.1M KsCN, 0.1M Sodium Acetate pH:4.5 Resolution 1.81 Å R-free 0.197

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.

9 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q93LQ9_KLEPN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–264; UniProt 26–289 Author chain B; PDBConstruct 1–264; UniProt 26–289

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 7ljk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7ljk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7ljk
Deposition date deposition_date2021-01-29
Structure title titleCrystal structure of the deacylation deficient KPC-2 F72Y mutant
Keywords keywordsKPC, Carbapenemase, Beta-lactamase, Hydrolase, Antibiotic Resistance, Enzyme, Beta-lactam, antibiotics; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.39
Radius of gyration Rg (electron density) rg_electron28.94
Forward intensity I(0) i051112400.00
Molecular weight molecular_weight55813.0 kDa
Excluded volume excluded_volume69760 ų
Envelope volume envelope_volume84920 ų
Hydration-shell volume shell_volume25043 ų
Envelope diameter envelope_diameter100.7
Shell Rg shell_rg35.07
Envelope Rg envelope_rg28.87
Shape Rg shape_rg28.95
Total Rg total_rg29.50
Total atoms total_atoms3936
Residues n_residues526
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 dmax99.0
Rg (real space) rg_real29.54
Rg uncertainty (real space) rg_real_error0.78
I(0) (real space) i0_real5.1110e+07
I(0) uncertainty (real space) i0_real_error7.4990e+05
Rg (reciprocal space) rg_reciprocal29.48
I(0) (reciprocal space) i0_reciprocal51110000.0000
Solution quality estimate total_estimate0.8384
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary25.6
Skewness Skewness skewness0.372
Kurtosis Kurtosis kurtosis-0.684
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha21010000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.713; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.780; Smooth: 0.977

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd7ljka_
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.3.1.0 — automated matches
Domain ID domain_idd7ljkb_
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.3.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id7ljkA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology710 — Beta-lactamase
Homologous superfamily homologous superfamily10 — DD-peptidase/beta-lactamase superfamily
Domain ID domain_id7ljkB01
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 (2)

9. Files and Curves (10)