1ips

ISOPENICILLIN N SYNTHASE FROM ASPERGILLUS NIDULANS (MANGANESE COMPLEX)

Method: X-RAY DIFFRACTION Dmax: 84.4 Å Quality: EXCELLENT

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

ISOPENICILLIN N SYNTHASE

Emericella nidulans

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–331 Chain B; UniProt 1–331 Not recorded MN MANGANESE (II) ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:microseeding;pH 8.5;CRYSTALS FROM MICROSEEDING USING 24% PEG 8000, 5MM MNCL2, 100MM TRIS/HCL, PH 8.5, microseeding Resolution 2.50 Å R-free 0.265

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 Author chain B; 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 1ips

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1ips
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1ips
Deposition date deposition_date1997-03-21
Structure title titleISOPENICILLIN N SYNTHASE FROM ASPERGILLUS NIDULANS (MANGANESE COMPLEX)
Keywords keywordsB-LACTAM ANTIBIOTIC, OXYGENASE, PENICILLIN BIOSYNTHESIS, ANTIBIOTIC BIOSYNTHESIS, OXIDOREDUCTASE; ANTIBIOTIC BIOSYNTHESIS
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.02
Radius of gyration Rg (electron density) rg_electron25.92
Forward intensity I(0) i090762800.00
Molecular weight molecular_weight74693.0 kDa
Excluded volume excluded_volume93264 ų
Envelope volume envelope_volume112370 ų
Hydration-shell volume shell_volume35339 ų
Envelope diameter envelope_diameter87.8
Shell Rg shell_rg34.03
Envelope Rg envelope_rg25.74
Shape Rg shape_rg25.91
Total Rg total_rg26.78
Total atoms total_atoms5282
Residues n_residues656
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 dmax84.4
Rg (real space) rg_real26.90
Rg uncertainty (real space) rg_real_error0.39
I(0) (real space) i0_real9.0760e+07
I(0) uncertainty (real space) i0_real_error1.1680e+06
Rg (reciprocal space) rg_reciprocal26.94
I(0) (reciprocal space) i0_reciprocal90770000.0000
Solution quality estimate total_estimate0.9009
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary32.9
Skewness Skewness skewness0.235
Kurtosis Kurtosis kurtosis-0.416
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22260000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.914; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.968

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1ipsa_
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
Domain ID domain_idd1ipsb_
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

CATH v4.4 (2 domains)

Domain ID domain_id1ipsA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily330 — B-lactam Antibiotic, Isopenicillin N Synthase; Chain
Domain ID domain_id1ipsB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily330 — B-lactam Antibiotic, Isopenicillin N Synthase; Chain

8. Citations (2)

9. Files and Curves (10)