4dxb

2.29A structure of the engineered MBP TEM-1 fusion protein RG13 in complex with zinc, P1 space group

Method: X-RAY DIFFRACTION Dmax: 120.4 Å Quality: EXCELLENT

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

Maltose-binding periplasmic protein, Beta-lactamase TEM chimera

Escherichia coli

UniProt P0AEX9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 27–342 Chain A; UniProt 345–396 Fragment:SEE REMARK 999 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;A 1.0 uL drop was prepared using 0.5 uL protein mixture (13.8 mg/mL RG13, 2.5 mM zinc chloride) and 0.5 uL reservoir solution (0.2 M ammonium acetate, 0.1 M Tris, pH 8.5-9.5, 15-30% PEG3350) and equilibrated over a 1 ml reservoir solution, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K Resolution 2.29 Å R-free 0.292
2 Insufficient information Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 27–342 Chain B; UniProt 345–396 Fragment:SEE REMARK 999 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;A 1.0 uL drop was prepared using 0.5 uL protein mixture (13.8 mg/mL RG13, 2.5 mM zinc chloride) and 0.5 uL reservoir solution (0.2 M ammonium acetate, 0.1 M Tris, pH 8.5-9.5, 15-30% PEG3350) and equilibrated over a 1 ml reservoir solution, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K Resolution 2.29 Å R-free 0.292

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.

366 other PDB entries and 490 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MALE_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–316; UniProt 27–342 Author chain A; PDBConstruct 586–637; UniProt 345–396 Author chain B; PDBConstruct 1–316; UniProt 27–342 Author chain B; PDBConstruct 586–637; UniProt 345–396

Maltose-binding periplasmic protein, Beta-lactamase TEM chimera

Escherichia coli

UniProt P62593

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 227–286 Chain A; UniProt 24–226 Fragment:SEE REMARK 999 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;A 1.0 uL drop was prepared using 0.5 uL protein mixture (13.8 mg/mL RG13, 2.5 mM zinc chloride) and 0.5 uL reservoir solution (0.2 M ammonium acetate, 0.1 M Tris, pH 8.5-9.5, 15-30% PEG3350) and equilibrated over a 1 ml reservoir solution, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K Resolution 2.29 Å R-free 0.292
2 Insufficient information Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 227–286 Chain B; UniProt 24–226 Fragment:SEE REMARK 999 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;A 1.0 uL drop was prepared using 0.5 uL protein mixture (13.8 mg/mL RG13, 2.5 mM zinc chloride) and 0.5 uL reservoir solution (0.2 M ammonium acetate, 0.1 M Tris, pH 8.5-9.5, 15-30% PEG3350) and equilibrated over a 1 ml reservoir solution, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K Resolution 2.29 Å R-free 0.292

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.

72 other PDB entries and 154 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BLAT_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 317–376; UniProt 227–286 Author chain A; PDBConstruct 382–584; UniProt 24–226 Author chain B; PDBConstruct 317–376; UniProt 227–286 Author chain B; PDBConstruct 382–584; UniProt 24–226

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 4dxb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4dxb
Deposition date deposition_date2012-02-27
Structure title title2.29A structure of the engineered MBP TEM-1 fusion protein RG13 in complex with zinc, P1 space group
Keywords keywordsTEM, beta-lactamase, MBP, allosteric regulation, zinc binding, maltose binding, SUGAR BINDING PROTEIN, HYDROLASE; SUGAR BINDING PROTEIN, HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.67
Radius of gyration Rg (electron density) rg_electron36.79
Forward intensity I(0) i0292411000.00
Molecular weight molecular_weight139800.0 kDa
Excluded volume excluded_volume175500 ų
Envelope volume envelope_volume229540 ų
Hydration-shell volume shell_volume51814 ų
Envelope diameter envelope_diameter125.7
Shell Rg shell_rg43.27
Envelope Rg envelope_rg35.88
Shape Rg shape_rg36.75
Total Rg total_rg37.34
Total atoms total_atoms9838
Residues n_residues1273
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 dmax120.4
Rg (real space) rg_real37.60
Rg uncertainty (real space) rg_real_error0.85
I(0) (real space) i0_real2.9240e+08
I(0) uncertainty (real space) i0_real_error4.9900e+06
Rg (reciprocal space) rg_reciprocal37.65
I(0) (reciprocal space) i0_reciprocal292400000.0000
Solution quality estimate total_estimate0.9028
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary43.0
Skewness Skewness skewness0.241
Kurtosis Kurtosis kurtosis-0.599
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha51670000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.937; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.921

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id4dxbA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4dxbA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4dxbA03
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_id4dxbB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4dxbB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4dxbB03
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)