1hjf

Alteration of the co-substrate selectivity of deacetoxycephalosporin C synthase: The role of arginine-258

Method: X-RAY DIFFRACTION Dmax: 62.3 Å Quality: GOOD

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

DEACETOXYCEPHALOSPORIN C SYNTHASE

STREPTOMYCES CLAVULIGERUS

UniProt P18548

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–311 Mutation:YES FE2 FE (II) ION × 3 COI 2-OXO-4-METHYLPENTANOIC ACID × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293 K;HANGING DROP AT 20 DEGREES C. 100 MM HEPES-NAOH, PH 7.0, 6% (W/V) GLYCEROL, 5 MM 2-OXO-4-METHYLPENTANOATE, 1.5-1.7 M AMMONIUM SULPHATE CRYSTALS SOAKED IN 5 MM IRON(II) SULPHATE IN MOTHER LIQUOR UNDER ANAEROBIC CONDITIONS BEFORE DATA COLLECTION. Resolution 1.60 Å R-free 0.269

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.

16 other PDB entries and 17 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CEFE_STRCL
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–311; UniProt 1–311

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 1hjf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1hjf
Deposition date deposition_date2001-01-15
Structure title titleAlteration of the co-substrate selectivity of deacetoxycephalosporin C synthase: The role of arginine-258
Keywords keywords;OXIDOREDUCTASE, ALTERNATIVE 2-OXOACIDS, CEPHEM ANTIBIOTIC BIOSYNTHESIS, CHEMICAL COSUBSTRATE RESCUE, CO-SUBSTRATE SELECTIVITY, 2- OXOGLUTARATE-DEPENDENT OXYGENASE ;; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.87
Radius of gyration Rg (electron density) rg_electron18.49
Forward intensity I(0) i017340400.00
Molecular weight molecular_weight30660.0 kDa
Excluded volume excluded_volume38043 ų
Envelope volume envelope_volume44481 ų
Hydration-shell volume shell_volume19945 ų
Envelope diameter envelope_diameter64.1
Shell Rg shell_rg25.05
Envelope Rg envelope_rg18.79
Shape Rg shape_rg18.50
Total Rg total_rg19.40
Total atoms total_atoms2157
Residues n_residues278
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 dmax62.3
Rg (real space) rg_real19.76
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real1.7340e+07
I(0) uncertainty (real space) i0_real_error2.1300e+05
Rg (reciprocal space) rg_reciprocal19.77
I(0) (reciprocal space) i0_reciprocal17340000.0000
Solution quality estimate total_estimate0.8191
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.6
Skewness Skewness skewness0.218
Kurtosis Kurtosis kurtosis-0.354
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5056000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.883; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1hjfa_
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 (1 domains)

Domain ID domain_id1hjfA00
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)