4jf5

Structure of OXA-23 at pH 4.1

Method: X-RAY DIFFRACTION Dmax: 61.2 Å Quality: GOOD

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

Beta-lactamase

Acinetobacter baumannii

UniProt Q9L4P2

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 31–273 Not recorded FLC CITRATE ANION × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.1;277 K;0.06 M citric acid/0.04 M bis-tris propane, 16 % PEG3350, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 1.15 Å R-free 0.162

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.

23 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q9L4P2_ACIBA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–243; UniProt 31–273

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 4jf5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4jf5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4jf5
Deposition date deposition_date2013-02-27
Structure title titleStructure of OXA-23 at pH 4.1
Keywords keywordsbeta-lactamase, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.09
Radius of gyration Rg (electron density) rg_electron17.87
Forward intensity I(0) i013035100.00
Molecular weight molecular_weight27740.0 kDa
Excluded volume excluded_volume35085 ų
Envelope volume envelope_volume40169 ų
Hydration-shell volume shell_volume18568 ų
Envelope diameter envelope_diameter64.2
Shell Rg shell_rg24.39
Envelope Rg envelope_rg18.40
Shape Rg shape_rg17.88
Total Rg total_rg18.87
Total atoms total_atoms1951
Residues n_residues242
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 dmax61.2
Rg (real space) rg_real18.98
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real1.3040e+07
I(0) uncertainty (real space) i0_real_error1.6700e+05
Rg (reciprocal space) rg_reciprocal18.99
I(0) (reciprocal space) i0_reciprocal13040000.0000
Solution quality estimate total_estimate0.8113
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary24.6
Skewness Skewness skewness0.174
Kurtosis Kurtosis kurtosis-0.415
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3266000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.849; Stabil: 0.999; 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 (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4jf5a_
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 (1 domains)

Domain ID domain_id4jf5A00
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)