3g8d

Crystal structure of the biotin carboxylase subunit, E296A mutant, of acetyl-COA carboxylase from Escherichia coli

Method: X-RAY DIFFRACTION Dmax: 98.3 Å Quality: REASONABLE

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

Biotin carboxylase

Escherichia coli

UniProt P24182

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 1–444 Mutation:E296A SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;298 K;23% PEG3350, 0.12M Li2SO4, 3.9% SORBITOL, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 1.90 Å R-free 0.226
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–444 Mutation:E296A SO4 SULFATE ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;298 K;23% PEG3350, 0.12M Li2SO4, 3.9% SORBITOL, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 1.90 Å R-free 0.226

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.

29 other PDB entries and 48 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACCC_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–444; UniProt 1–444 Author chain B; PDBConstruct 1–444; UniProt 1–444

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 3g8d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3g8d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3g8d
Deposition date deposition_date2009-02-12
Structure title titleCrystal structure of the biotin carboxylase subunit, E296A mutant, of acetyl-COA carboxylase from Escherichia coli
Keywords keywords;ATP-GRASP, CARBOXYLASE, BIOTIN-DEPENDENT, FATTY ACID SYNTHESIS, ACTIVE SITE MUTANT, ATP-binding, Biotin, Fatty acid biosynthesis, Ligase, Lipid synthesis, Nucleotide-binding ;; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.37
Radius of gyration Rg (electron density) rg_electron28.73
Forward intensity I(0) i0133218000.00
Molecular weight molecular_weight90562.0 kDa
Excluded volume excluded_volume113090 ų
Envelope volume envelope_volume134870 ų
Hydration-shell volume shell_volume38872 ų
Envelope diameter envelope_diameter104.5
Shell Rg shell_rg36.18
Envelope Rg envelope_rg28.98
Shape Rg shape_rg28.72
Total Rg total_rg29.42
Total atoms total_atoms6352
Residues n_residues817
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 dmax98.3
Rg (real space) rg_real29.39
Rg uncertainty (real space) rg_real_error0.64
I(0) (real space) i0_real1.3320e+08
I(0) uncertainty (real space) i0_real_error2.0440e+06
Rg (reciprocal space) rg_reciprocal29.38
I(0) (reciprocal space) i0_reciprocal133200000.0000
Solution quality estimate total_estimate0.6659
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary34.6
Skewness Skewness skewness0.432
Kurtosis Kurtosis kurtosis-0.182
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha62310000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.811; Stabil: 1.000; Sysdev: 0.092; Positv: 1.000; Valcen: 0.997; Smooth: 0.945

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_idd3g8da1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.30 — PreATP-grasp domain
Superfamily Superfamily superfamilyc.30.1 — PreATP-grasp domain
Family Family familyc.30.1.0 — automated matches
Domain ID domain_idd3g8da2
Class classb — All beta proteins
Fold Fold foldb.84 — Barrel-sandwich hybrid
Superfamily Superfamily superfamilyb.84.2 — Rudiment single hybrid motif
Family Family familyb.84.2.0 — automated matches
Domain ID domain_idd3g8db1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.30 — PreATP-grasp domain
Superfamily Superfamily superfamilyc.30.1 — PreATP-grasp domain
Family Family familyc.30.1.0 — automated matches
Domain ID domain_idd3g8db2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.142 — ATP-grasp
Superfamily Superfamily superfamilyd.142.1 — Glutathione synthetase ATP-binding domain-like
Family Family familyd.142.1.2 — BC ATP-binding domain-like
Domain ID domain_idd3g8db3
Class classb — All beta proteins
Fold Fold foldb.84 — Barrel-sandwich hybrid
Superfamily Superfamily superfamilyb.84.2 — Rudiment single hybrid motif
Family Family familyb.84.2.0 — automated matches

CATH v4.4 (5 domains)

Domain ID domain_id3g8dA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily20
Domain ID domain_id3g8dA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology470 — D-amino Acid Aminotransferase; Chain A, domain 1
Homologous superfamily homologous superfamily20 — ATP-grasp fold, B domain
Domain ID domain_id3g8dB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily20
Domain ID domain_id3g8dB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology470 — D-amino Acid Aminotransferase; Chain A, domain 1
Homologous superfamily homologous superfamily20 — ATP-grasp fold, B domain
Domain ID domain_id3g8dB03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily20 — ATP-grasp fold, A domain

8. Citations (1)

9. Files and Curves (10)