4qvh

Crystal structure of the essential Mycobacterium tuberculosis phosphopantetheinyl transferase PptT, solved as a fusion protein with maltose binding protein

Method: X-RAY DIFFRACTION Dmax: 119.1 Å Quality: GOOD

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

;Maltose-binding periplasmic protein, 4'-phosphopantetheinyl transferase chimera ;

Mycobacterium tuberculosis

UniProt O33336

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 Homooligomer Protein × 2 其他Polymer 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–227 Chain B; UniProt 1–227 Not recorded alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 2 COA COENZYME A × 2 MG MAGNESIUM ION × 2 GOL GLYCEROL × 7 FLC CITRATE ANION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;291 K;1.6M Na citrate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K Resolution 1.75 Å R-free 0.191

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 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name O33336_MYCTU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 372–598; UniProt 1–227 Author chain B; PDBConstruct 372–598; UniProt 1–227

;Maltose-binding periplasmic protein, 4'-phosphopantetheinyl transferase chimera ;

Mycobacterium tuberculosis

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 Homooligomer Protein × 2 其他Polymer 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 27–392 Chain B; UniProt 27–392 Not recorded alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 2 COA COENZYME A × 2 MG MAGNESIUM ION × 2 GOL GLYCEROL × 7 FLC CITRATE ANION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;291 K;1.6M Na citrate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K Resolution 1.75 Å R-free 0.191

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 491 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 2–367; UniProt 27–392 Author chain B; PDBConstruct 2–367; UniProt 27–392

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 4qvh

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4qvh
Deposition date deposition_date2014-07-15
Structure title titleCrystal structure of the essential Mycobacterium tuberculosis phosphopantetheinyl transferase PptT, solved as a fusion protein with maltose binding protein
Keywords keywordsa/b-fold, Phosphopantetheinyl transferase, acyl carrier protein, peptidyl carrier protein, transferase; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.44
Radius of gyration Rg (electron density) rg_electron34.89
Forward intensity I(0) i0260130000.00
Molecular weight molecular_weight132790.0 kDa
Excluded volume excluded_volume167160 ų
Envelope volume envelope_volume206130 ų
Hydration-shell volume shell_volume48709 ų
Envelope diameter envelope_diameter127.8
Shell Rg shell_rg41.92
Envelope Rg envelope_rg34.55
Shape Rg shape_rg34.87
Total Rg total_rg35.46
Total atoms total_atoms9359
Residues n_residues1191
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 dmax119.1
Rg (real space) rg_real35.38
Rg uncertainty (real space) rg_real_error1.13
I(0) (real space) i0_real2.6010e+08
I(0) uncertainty (real space) i0_real_error4.4280e+06
Rg (reciprocal space) rg_reciprocal35.42
I(0) (reciprocal space) i0_reciprocal260100000.0000
Solution quality estimate total_estimate0.8839
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary116.4
Skewness Skewness skewness0.275
Kurtosis Kurtosis kurtosis-0.322
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha83910000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.857; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.918

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id4qvhA01
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

8. Citations (1)

9. Files and Curves (10)