2ac2

Crystal structure of the Tyr13Phe mutant variant of Bacillus subtilis Ferrochelatase with Zn(2+) bound at the active site

Method: X-RAY DIFFRACTION Dmax: 67.7 Å Quality: GOOD

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

Ferrochelatase

Bacillus subtilis

UniProt P32396

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 2–310 Mutation:Y13F ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.4;288 K;PEG 2000, magnesium chloride, tris, pH 7.4, VAPOR DIFFUSION, temperature 288K Resolution 2.50 Å R-free 0.257

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.

23 other PDB entries and 23 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HEMH_BACSU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–309; UniProt 2–310

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 2ac2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ac2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2ac2
Deposition date deposition_date2005-07-18
Structure title titleCrystal structure of the Tyr13Phe mutant variant of Bacillus subtilis Ferrochelatase with Zn(2+) bound at the active site
Keywords keywordsROSSMANN FOLD, PI-HELIX, LYASE; LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.17
Radius of gyration Rg (electron density) rg_electron19.89
Forward intensity I(0) i021240700.00
Molecular weight molecular_weight35244.0 kDa
Excluded volume excluded_volume44108 ų
Envelope volume envelope_volume50574 ų
Hydration-shell volume shell_volume21367 ų
Envelope diameter envelope_diameter68.4
Shell Rg shell_rg26.34
Envelope Rg envelope_rg20.09
Shape Rg shape_rg19.87
Total Rg total_rg20.83
Total atoms total_atoms2486
Residues n_residues309
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 dmax67.7
Rg (real space) rg_real21.09
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real2.1240e+07
I(0) uncertainty (real space) i0_real_error2.7910e+05
Rg (reciprocal space) rg_reciprocal21.11
I(0) (reciprocal space) i0_reciprocal21240000.0000
Solution quality estimate total_estimate0.8947
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.9
Skewness Skewness skewness0.252
Kurtosis Kurtosis kurtosis-0.338
Angular range angular_range— – 0.3750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4193000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.892; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.952

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2ac2a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.92 — Chelatase-like
Superfamily Superfamily superfamilyc.92.1 — Chelatase
Family Family familyc.92.1.1 — Ferrochelatase

CATH v4.4 (2 domains)

Domain ID domain_id2ac2A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1400
Domain ID domain_id2ac2A02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1400

8. Citations (1)

9. Files and Curves (10)