3rv4

Crystal structure of E.coli biotin carboxylase R16E mutant in complex with Mg-ADP and bicarbonate

Method: X-RAY DIFFRACTION Dmax: 68.8 Å Quality: EXCELLENT

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–449 Mutation:R16E ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 2 BCT BICARBONATE ION × 2 CS CESIUM ION × 2 CL CHLORIDE ION × 4 NA SODIUM ION × 4 GOL GLYCEROL × 2 MOH METHANOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;295 K;PEG3350, CsCl, methanol, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K Resolution 1.98 Å R-free 0.219

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 49 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 4–452; UniProt 1–449

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 3rv4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3rv4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3rv4
Deposition date deposition_date2011-05-05
Structure title titleCrystal structure of E.coli biotin carboxylase R16E mutant in complex with Mg-ADP and bicarbonate
Keywords keywordsLIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.24
Radius of gyration Rg (electron density) rg_electron21.26
Forward intensity I(0) i042239900.00
Molecular weight molecular_weight49774.0 kDa
Excluded volume excluded_volume62031 ų
Envelope volume envelope_volume71458 ų
Hydration-shell volume shell_volume27019 ų
Envelope diameter envelope_diameter70.2
Shell Rg shell_rg29.00
Envelope Rg envelope_rg21.45
Shape Rg shape_rg21.27
Total Rg total_rg22.10
Total atoms total_atoms3476
Residues n_residues446
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 dmax68.8
Rg (real space) rg_real22.10
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real4.2240e+07
I(0) uncertainty (real space) i0_real_error5.4800e+05
Rg (reciprocal space) rg_reciprocal22.13
I(0) (reciprocal space) i0_reciprocal42240000.0000
Solution quality estimate total_estimate0.9012
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.2
Skewness Skewness skewness0.123
Kurtosis Kurtosis kurtosis-0.493
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16080000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.911; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

7. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3rv4a1
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.30.1.1 — BC N-terminal domain-like
Domain ID domain_idd3rv4a2
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_idd3rv4a3
Class classb — All beta proteins
Fold Fold foldb.84 — Barrel-sandwich hybrid
Superfamily Superfamily superfamilyb.84.2 — Rudiment single hybrid motif
Family Family familyb.84.2.1 — BC C-terminal domain-like
Domain ID domain_idd3rv4a4
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (3 domains)

Domain ID domain_id3rv4A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily20
Domain ID domain_id3rv4A02
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_id3rv4A03
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)