2hul

Crystal structure of T4 Lysozyme S44C synthetic dimer

Method: X-RAY DIFFRACTION Dmax: 56.7 Å Quality: GOOD

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

Lysozyme

Enterobacteria phage T4

UniProt P00720

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 1–164 Mutation:S44C SO4 SULFATE ION × 8 GOL GLYCEROL × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.7;298 K;2.0 M Ammonium Sulfate, 0.1 M Cacodylate pH 6.7, 0.2 M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.70 Resolution 1.80 Å R-free 0.192
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–164 Mutation:S44C SO4 SULFATE ION × 4 GOL GLYCEROL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.7;298 K;2.0 M Ammonium Sulfate, 0.1 M Cacodylate pH 6.7, 0.2 M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.70 Resolution 1.80 Å R-free 0.192

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.

721 other PDB entries and 845 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LYS_BPT4
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–164; UniProt 1–164

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 2hul

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2hul
Deposition date deposition_date2006-07-26
Structure title titleCrystal structure of T4 Lysozyme S44C synthetic dimer
Keywords keywordsT4 Lysozyme synthetic dimer, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.60
Radius of gyration Rg (electron density) rg_electron16.48
Forward intensity I(0) i07391560.00
Molecular weight molecular_weight19269.0 kDa
Excluded volume excluded_volume23919 ų
Envelope volume envelope_volume27492 ų
Hydration-shell volume shell_volume14460 ų
Envelope diameter envelope_diameter56.7
Shell Rg shell_rg22.06
Envelope Rg envelope_rg16.63
Shape Rg shape_rg16.42
Total Rg total_rg17.58
Total atoms total_atoms1346
Residues n_residues164
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 dmax56.7
Rg (real space) rg_real17.57
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real7.3920e+06
I(0) uncertainty (real space) i0_real_error9.6510e+04
Rg (reciprocal space) rg_reciprocal17.57
I(0) (reciprocal space) i0_reciprocal7392000.0000
Solution quality estimate total_estimate0.8118
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.2
Skewness Skewness skewness0.324
Kurtosis Kurtosis kurtosis-0.284
Angular range angular_range— – 0.4500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1389000.0000
Real-space data points n_real_points76
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.852; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; 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_idd2hula_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.2 — Lysozyme-like
Superfamily Superfamily superfamilyd.2.1 — Lysozyme-like
Family Family familyd.2.1.3 — Phage lysozyme

CATH v4.4 (1 domains)

Domain ID domain_id2hulA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology530 — Lysozyme
Homologous superfamily homologous superfamily40

8. Citations (1)

9. Files and Curves (10)