6zaq

Room temperature XFEL Isopenicillin N synthase structure in complex with Fe and IPN after dioxygen exposure

Method: X-RAY DIFFRACTION Dmax: 65.0 Å Quality: REASONABLE

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

Isopenicillin N synthase

Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139)

UniProt P05326

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 1–331 Not recorded FE2 FE (II) ION × 1 SO4 SULFATE ION × 1 IP1 ISOPENICILLIN N × 1 X-RAY DIFFRACTION X-ray crystallization conditions:BATCH MODE;pH 8.5;298 K;1.7 M Li2SO4, 0.1 M TRIS pH 8.5 Resolution 1.60 Å R-free 0.206

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.

88 other PDB entries and 88 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IPNS_EMENI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–331; UniProt 1–331

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 6zaq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6zaq
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6zaq
Deposition date deposition_date2020-06-05
Structure title titleRoom temperature XFEL Isopenicillin N synthase structure in complex with Fe and IPN after dioxygen exposure
Keywords keywordsIsopenicillin N synthase, oxygen binding, XFEL, time-resolved crystallography, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.63
Radius of gyration Rg (electron density) rg_electron19.30
Forward intensity I(0) i023145800.00
Molecular weight molecular_weight36738.0 kDa
Excluded volume excluded_volume45837 ų
Envelope volume envelope_volume52770 ų
Hydration-shell volume shell_volume22344 ų
Envelope diameter envelope_diameter67.2
Shell Rg shell_rg26.28
Envelope Rg envelope_rg19.55
Shape Rg shape_rg19.30
Total Rg total_rg20.24
Total atoms total_atoms5020
Residues n_residues328
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 dmax65.0
Rg (real space) rg_real20.49
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real2.3150e+07
I(0) uncertainty (real space) i0_real_error2.8610e+05
Rg (reciprocal space) rg_reciprocal20.52
I(0) (reciprocal space) i0_reciprocal23150000.0000
Solution quality estimate total_estimate0.6409
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary26.4
Skewness Skewness skewness0.137
Kurtosis Kurtosis kurtosis-0.424
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5768000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.872; Stabil: 0.999; Sysdev: 0.242; Positv: 1.000; Valcen: 0.988; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6zaqa_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.2 — Clavaminate synthase-like
Family Family familyb.82.2.1 — Penicillin synthase-like

8. Citations (1)

9. Files and Curves (10)