1pqm

T4 Lysozyme Core Repacking Mutant V149I/T152V/TA

Method: X-RAY DIFFRACTION Dmax: 58.0 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–164 Mutation:C54T/C97A/V149I/T152V PO4 PHOSPHATE ION × 1 K POTASSIUM ION × 1 CL CHLORIDE ION × 2 HED 2-HYDROXYETHYL DISULFIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.7;277 K;Potassium phosphate, sodium PHOSPHATE, NaCl, BME, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 6.70 Resolution 1.52 Å R-free 0.219

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 846 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 1pqm

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1pqm
Deposition date deposition_date2003-06-18
Structure title titleT4 Lysozyme Core Repacking Mutant V149I/T152V/TA
Keywords keywords;HYDROLASE (O-GLYCOSYL), T4 LYSOZYME, DESIGNED CORE MUTANT, AUTOMATED PROTEIN DESIGN, PROTEIN ENGINEERING, PROTEIN FOLDING, PROTEIN STABILITY, CORE REPACKING, BACK REVERTANT, DEAD-END ELIMINATION THEOREM, SIDE-CHAIN PACKING, OPTIMIZED ROTAMER COMBINATIONS, ORBIT, HYDROLASE ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.46
Radius of gyration Rg (electron density) rg_electron16.36
Forward intensity I(0) i06746360.00
Molecular weight molecular_weight18850.0 kDa
Excluded volume excluded_volume23603 ų
Envelope volume envelope_volume26608 ų
Hydration-shell volume shell_volume14130 ų
Envelope diameter envelope_diameter59.3
Shell Rg shell_rg21.78
Envelope Rg envelope_rg16.51
Shape Rg shape_rg16.33
Total Rg total_rg17.38
Total atoms total_atoms1317
Residues n_residues163
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 dmax58.0
Rg (real space) rg_real17.44
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real6.7460e+06
I(0) uncertainty (real space) i0_real_error8.4250e+04
Rg (reciprocal space) rg_reciprocal17.44
I(0) (reciprocal space) i0_reciprocal6746000.0000
Solution quality estimate total_estimate0.7961
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.6
Skewness Skewness skewness0.341
Kurtosis Kurtosis kurtosis-0.198
Angular range angular_range— – 0.4550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1387000.0000
Real-space data points n_real_points76
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.787; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1pqma_
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_id1pqmA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology530 — Lysozyme
Homologous superfamily homologous superfamily40

8. Citations (1)

9. Files and Curves (10)