1i22

MUTANT HUMAN LYSOZYME (A83K/Q86D/A92D)

Method: X-RAY DIFFRACTION Dmax: 87.3 Å Quality: EXCELLENT

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

LYSOZYME C

Homo sapiens

UniProt P61626

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 19–148 Mutation:A83K/Q86D/A92D CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;298 K;PHOSPHATE, SODIUM CHLORIDE, CALCIUM CHLORIDE, pH 6.00, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.80 Å
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 19–148 Mutation:A83K/Q86D/A92D CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;298 K;PHOSPHATE, SODIUM CHLORIDE, CALCIUM CHLORIDE, pH 6.00, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.80 Å
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 19–148 Mutation:A83K/Q86D/A92D CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;298 K;PHOSPHATE, SODIUM CHLORIDE, CALCIUM CHLORIDE, pH 6.00, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.80 Å
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 19–148 Mutation:A83K/Q86D/A92D CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;298 K;PHOSPHATE, SODIUM CHLORIDE, CALCIUM CHLORIDE, pH 6.00, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.80 Å

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.

201 other PDB entries and 216 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LYSC_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–130; UniProt 19–148 Author chain B; PDBConstruct 1–130; UniProt 19–148 Author chain C; PDBConstruct 1–130; UniProt 19–148 Author chain D; PDBConstruct 1–130; UniProt 19–148

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 1i22

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1i22
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1i22
Deposition date deposition_date2001-02-05
Structure title titleMUTANT HUMAN LYSOZYME (A83K/Q86D/A92D)
Keywords keywordsCALCIUM BINDING SITE, MUTANT HUMAN LYSOZYME, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.28
Radius of gyration Rg (electron density) rg_electron27.42
Forward intensity I(0) i066364000.00
Molecular weight molecular_weight59344.0 kDa
Excluded volume excluded_volume72426 ų
Envelope volume envelope_volume91286 ų
Hydration-shell volume shell_volume28432 ų
Envelope diameter envelope_diameter90.5
Shell Rg shell_rg34.10
Envelope Rg envelope_rg27.01
Shape Rg shape_rg27.42
Total Rg total_rg28.07
Total atoms total_atoms4144
Residues n_residues520
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 dmax87.3
Rg (real space) rg_real28.19
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real6.6360e+07
I(0) uncertainty (real space) i0_real_error9.7130e+05
Rg (reciprocal space) rg_reciprocal28.22
I(0) (reciprocal space) i0_reciprocal66370000.0000
Solution quality estimate total_estimate0.9133
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.4
Skewness Skewness skewness0.162
Kurtosis Kurtosis kurtosis-0.633
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7913000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.973; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.953

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1i22a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.2 — Lysozyme-like
Superfamily Superfamily superfamilyd.2.1 — Lysozyme-like
Family Family familyd.2.1.2 — C-type lysozyme
Domain ID domain_idd1i22b_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.2 — Lysozyme-like
Superfamily Superfamily superfamilyd.2.1 — Lysozyme-like
Family Family familyd.2.1.2 — C-type lysozyme
Domain ID domain_idd1i22c_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.2 — Lysozyme-like
Superfamily Superfamily superfamilyd.2.1 — Lysozyme-like
Family Family familyd.2.1.2 — C-type lysozyme
Domain ID domain_idd1i22d_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.2 — Lysozyme-like
Superfamily Superfamily superfamilyd.2.1 — Lysozyme-like
Family Family familyd.2.1.2 — C-type lysozyme

CATH v4.4 (4 domains)

Domain ID domain_id1i22A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology530 — Lysozyme
Homologous superfamily homologous superfamily10
Domain ID domain_id1i22B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology530 — Lysozyme
Homologous superfamily homologous superfamily10
Domain ID domain_id1i22C00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology530 — Lysozyme
Homologous superfamily homologous superfamily10
Domain ID domain_id1i22D00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology530 — Lysozyme
Homologous superfamily homologous superfamily10

8. Citations (5)

9. Files and Curves (10)