2k93

Structural modification of acyl carrier protein by butyryl group

Method: SOLUTION NMR Dmax: 38.4 Å Quality: GOOD

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

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 2–78 Not recorded No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6.5 NMR sample composition:1.5 mM [U-100% 13C; U-100% 15N] Holo ACP, 40 mM potassium phosphate, 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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 1
Chains and sequence ranges Author chain A; PDBConstruct 1–77; UniProt 2–78

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 2k93

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2k93
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2k93
Deposition date deposition_date2008-09-29
Structure title titleStructural modification of acyl carrier protein by butyryl group
Keywords keywords;Holo Form of Acyl Carrier Protein, Fatty Acid Synthesis Protein, Cytoplasm, Fatty acid biosynthesis, Lipid synthesis, Phosphopantetheine, LIPID TRANSPORT ;; LIPID TRANSPORT
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier11.90
Radius of gyration Rg (electron density) rg_electron11.53
Forward intensity I(0) i0426517000.00
Molecular weight molecular_weight169520.0 kDa
Excluded volume excluded_volume209810 ų
Envelope volume envelope_volume17567 ų
Hydration-shell volume shell_volume11449 ų
Envelope diameter envelope_diameter42.4
Shell Rg shell_rg18.82
Envelope Rg envelope_rg13.29
Shape Rg shape_rg11.52
Total Rg total_rg11.72
Total atoms total_atoms23680
Residues n_residues1540
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 dmax38.4
Rg (real space) rg_real11.80
Rg uncertainty (real space) rg_real_error0.21
I(0) (real space) i0_real4.2650e+08
I(0) uncertainty (real space) i0_real_error4.0130e+06
Rg (reciprocal space) rg_reciprocal11.80
I(0) (reciprocal space) i0_reciprocal426500000.0000
Solution quality estimate total_estimate0.8567
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary15.6
Skewness Skewness skewness-0.012
Kurtosis Kurtosis kurtosis-0.260
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha188600.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.724; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.983

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2k93a_
Class classa — All alpha proteins
Fold Fold folda.28 — Acyl carrier protein-like
Superfamily Superfamily superfamilya.28.1 — ACP-like
Family Family familya.28.1.1 — Acyl-carrier protein (ACP)

CATH v4.4 (1 domains)

Domain ID domain_id2k93A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
Homologous superfamily homologous superfamily10 — ACP-like

8. Citations (1)

9. Files and Curves (10)