3k6l

The structure of E.coli peptide deformylase (PDF) in complex with peptidomimetic ligand BB2827

Method: X-RAY DIFFRACTION Dmax: 86.9 Å Quality: EXCELLENT

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

Peptide deformylase

Escherichia coli K-12

UniProt P0A6K3

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 1–169 Not recorded NI NICKEL (II) ION × 1 2BB (2S,3R)-N~4~-[(1S)-1-(dimethylcarbamoyl)-2,2-dimethylpropyl]-N~1~,2-dihydroxy-3-(2-methylpropyl)butanediamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;294 K;20% PEG3350, 0.2M Potassium formate, VAPOR DIFFUSION, SITTING DROP, temperature 294K Resolution 2.15 Å R-free 0.319
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–169 Not recorded NI NICKEL (II) ION × 1 2BB (2S,3R)-N~4~-[(1S)-1-(dimethylcarbamoyl)-2,2-dimethylpropyl]-N~1~,2-dihydroxy-3-(2-methylpropyl)butanediamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;294 K;20% PEG3350, 0.2M Potassium formate, VAPOR DIFFUSION, SITTING DROP, temperature 294K Resolution 2.15 Å R-free 0.319
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–169 Not recorded NI NICKEL (II) ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;294 K;20% PEG3350, 0.2M Potassium formate, VAPOR DIFFUSION, SITTING DROP, temperature 294K Resolution 2.15 Å R-free 0.319

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.

30 other PDB entries and 53 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DEF_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–169; UniProt 1–169 Author chain B; PDBConstruct 1–169; UniProt 1–169 Author chain C; PDBConstruct 1–169; UniProt 1–169

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 3k6l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3k6l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3k6l
Deposition date deposition_date2009-10-09
Structure title titleThe structure of E.coli peptide deformylase (PDF) in complex with peptidomimetic ligand BB2827
Keywords keywordsion binding, protein biosynthesis, translation, Iron, Metal-binding, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.30
Radius of gyration Rg (electron density) rg_electron26.37
Forward intensity I(0) i051564600.00
Molecular weight molecular_weight55802.0 kDa
Excluded volume excluded_volume70146 ų
Envelope volume envelope_volume89404 ų
Hydration-shell volume shell_volume28841 ų
Envelope diameter envelope_diameter88.0
Shell Rg shell_rg33.07
Envelope Rg envelope_rg26.18
Shape Rg shape_rg26.40
Total Rg total_rg27.04
Total atoms total_atoms3905
Residues n_residues481
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 dmax86.9
Rg (real space) rg_real27.23
Rg uncertainty (real space) rg_real_error0.53
I(0) (real space) i0_real5.1560e+07
I(0) uncertainty (real space) i0_real_error6.9210e+05
Rg (reciprocal space) rg_reciprocal27.25
I(0) (reciprocal space) i0_reciprocal51570000.0000
Solution quality estimate total_estimate0.9082
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.0
Skewness Skewness skewness0.176
Kurtosis Kurtosis kurtosis-0.651
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13160000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.940; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.986

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd3k6la_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.167 — Peptide deformylase
Superfamily Superfamily superfamilyd.167.1 — Peptide deformylase
Family Family familyd.167.1.1 — Peptide deformylase
Domain ID domain_idd3k6lb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.167 — Peptide deformylase
Superfamily Superfamily superfamilyd.167.1 — Peptide deformylase
Family Family familyd.167.1.1 — Peptide deformylase
Domain ID domain_idd3k6lc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.167 — Peptide deformylase
Superfamily Superfamily superfamilyd.167.1 — Peptide deformylase
Family Family familyd.167.1.1 — Peptide deformylase

CATH v4.4 (3 domains)

Domain ID domain_id3k6lA00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology45 — Peptide Deformylase
Homologous superfamily homologous superfamily10 — Peptide deformylase
Domain ID domain_id3k6lB00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology45 — Peptide Deformylase
Homologous superfamily homologous superfamily10 — Peptide deformylase
Domain ID domain_id3k6lC00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology45 — Peptide Deformylase
Homologous superfamily homologous superfamily10 — Peptide deformylase

8. Citations (1)

9. Files and Curves (10)