9mlw

Crosslinked complex of ketosynthase FabB mutant FabBG107M and acyl carrier protein AcpP from E.coli with C8 crosslinker

Method: X-RAY DIFFRACTION Dmax: 86.5 Å Quality: EXCELLENT

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

3-oxoacyl-[acyl-carrier-protein] synthase 1

Escherichia coli

UniProt P0A953

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 2–406 Chain B; UniProt 2–406 Mutation:G107M Acyl carrier protein × 2 (P0A6A8) A1BMZ N~3~-[(2R)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-N-(2-octanamidoethyl)-beta-alaninamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;Sodium Cacodylate pH 6.0, 28% PEG8K, NaCH3COO Resolution 2.21 Å R-free 0.243

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.

16 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FABB_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–407; UniProt 2–406 Author chain B; PDBConstruct 3–407; UniProt 2–406

Acyl carrier protein

Escherichia coli

UniProt P0A6A8

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 3–78 Chain D; UniProt 3–78 Not recorded 3-oxoacyl-[acyl-carrier-protein] synthase 1 × 2 (P0A953) A1BMZ N~3~-[(2R)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-N-(2-octanamidoethyl)-beta-alaninamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;277 K;Sodium Cacodylate pH 6.0, 28% PEG8K, NaCH3COO Resolution 2.21 Å R-free 0.243

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.

39 other PDB entries and 69 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACP_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–76; UniProt 3–78 Author chain D; PDBConstruct 1–76; UniProt 3–78

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 9mlw

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9mlw
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9mlw
Deposition date deposition_date2024-12-19
最后修订 last_revision2026-03-18
Structure title titleCrosslinked complex of ketosynthase FabB mutant FabBG107M and acyl carrier protein AcpP from E.coli with C8 crosslinker
Keywords keywords;Ketosynthase, Acyl carrier protein, crosslinker, fatty acid biosynthesis, short chain fatty acid, FabB, AcpP, ACP, Protein engineering, BIOSYNTHETIC PROTEIN ;; BIOSYNTHETIC PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.33
Radius of gyration Rg (electron density) rg_electron27.57
Forward intensity I(0) i0332954000.00
Molecular weight molecular_weight95445.0 kDa
Excluded volume excluded_volume91044 ų
Envelope volume envelope_volume146750 ų
Hydration-shell volume shell_volume42184 ų
Envelope diameter envelope_diameter91.5
Shell Rg shell_rg36.69
Envelope Rg envelope_rg28.15
Shape Rg shape_rg27.60
Total Rg total_rg28.08
Total atoms total_atoms7181
Residues n_residues961
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 dmax86.5
Rg (real space) rg_real28.16
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real3.3300e+08
I(0) uncertainty (real space) i0_real_error4.4160e+06
Rg (reciprocal space) rg_reciprocal28.22
I(0) (reciprocal space) i0_reciprocal333000000.0000
Solution quality estimate total_estimate0.9042
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.0
Skewness Skewness skewness0.196
Kurtosis Kurtosis kurtosis-0.485
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha58500000.0000
Real-space data points n_real_points57
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: 0.991; Smooth: 0.939

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)