3e2l

Crystal Structure of the KPC-2 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP)

Method: X-RAY DIFFRACTION Dmax: 103.6 Å Quality: GOOD

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

Carbapenemase

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 30–293 Fragment:UNP residues 30-293 Mutation:G175S Non-standard monomer:Yes (specific site not provided by mmCIF) Beta-lactamase inhibitory protein × 1 (P35804) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5;290 K;20% PEG 8000, 6% ethylene glycol, 100mM citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 1.87 Å R-free 0.213
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 30–293 Fragment:UNP residues 30-293 Mutation:G175S Non-standard monomer:Yes (specific site not provided by mmCIF) Beta-lactamase inhibitory protein × 1 (P35804) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5;290 K;20% PEG 8000, 6% ethylene glycol, 100mM citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 1.87 Å R-free 0.213

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 30–293 Author chain B; PDBConstruct 1–264; UniProt 30–293

Beta-lactamase inhibitory protein

Streptomyces clavuligerus

UniProt P35804

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 37–201 Not recorded Carbapenemase × 1 (Q93LQ9) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5;290 K;20% PEG 8000, 6% ethylene glycol, 100mM citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 1.87 Å R-free 0.213
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 37–201 Not recorded Carbapenemase × 1 (Q93LQ9) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5;290 K;20% PEG 8000, 6% ethylene glycol, 100mM citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 1.87 Å R-free 0.213

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.

17 other PDB entries and 25 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BLIP_STRCL
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–165; UniProt 37–201 Author chain D; PDBConstruct 1–165; UniProt 37–201

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 3e2l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3e2l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3e2l
Deposition date deposition_date2008-08-05
Structure title titleCrystal Structure of the KPC-2 Beta-lactamase/Beta-lactamase inhibitor protein (BLIP)
Keywords keywords;Beta-lactamase, Beta-lactamase inhibitor protein, protein-protein complex, BLIP, KPC-2, Antibiotic resistance, Hydrolase, Plasmid, Secreted, HYDROLASE-HYDROLASE INHIBITOR COMPLEX ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.20
Radius of gyration Rg (electron density) rg_electron30.64
Forward intensity I(0) i0129193000.00
Molecular weight molecular_weight89254.0 kDa
Excluded volume excluded_volume111210 ų
Envelope volume envelope_volume134100 ų
Hydration-shell volume shell_volume36555 ų
Envelope diameter envelope_diameter111.1
Shell Rg shell_rg37.52
Envelope Rg envelope_rg30.39
Shape Rg shape_rg30.61
Total Rg total_rg31.28
Total atoms total_atoms6289
Residues n_residues839
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 dmax103.6
Rg (real space) rg_real31.20
Rg uncertainty (real space) rg_real_error0.80
I(0) (real space) i0_real1.2920e+08
I(0) uncertainty (real space) i0_real_error2.0050e+06
Rg (reciprocal space) rg_reciprocal31.20
I(0) (reciprocal space) i0_reciprocal129200000.0000
Solution quality estimate total_estimate0.8898
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.5
Skewness Skewness skewness0.325
Kurtosis Kurtosis kurtosis-0.404
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha32840000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.889; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.959; Smooth: 0.938

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3e2lc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.98 — BLIP-like
Superfamily Superfamily superfamilyd.98.1 — beta-lactamase-inhibitor protein, BLIP
Family Family familyd.98.1.1 — beta-lactamase-inhibitor protein, BLIP
Domain ID domain_idd3e2ld_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.98 — BLIP-like
Superfamily Superfamily superfamilyd.98.1 — beta-lactamase-inhibitor protein, BLIP
Family Family familyd.98.1.1 — beta-lactamase-inhibitor protein, BLIP

CATH v4.4 (6 domains)

Domain ID domain_id3e2lA00
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_id3e2lB00
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_id3e2lC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1450 — Beta-lactamase Inhibitory Protein; Chain:B, domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id3e2lC02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1450 — Beta-lactamase Inhibitory Protein; Chain:B, domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id3e2lD01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1450 — Beta-lactamase Inhibitory Protein; Chain:B, domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id3e2lD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1450 — Beta-lactamase Inhibitory Protein; Chain:B, domain 1
Homologous superfamily homologous superfamily10

8. Citations (1)

9. Files and Curves (10)