4lzu

Bovine beta-lactoglobulin crystallized in the presence of 2 mM zinc chloride

Method: X-RAY DIFFRACTION Dmax: 48.6 Å Quality: GOOD

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

Beta-lactoglobulin

OrganismNot specified

UniProt P02754

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 17–178 Fragment:UNP residues 17-178 ZN ZINC ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:BATCH;pH 6;277 K;2 mM zinc chloride, pH 6.0, BATCH, temperature 277K Resolution 2.40 Å R-free 0.231

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.

101 other PDB entries and 123 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LACB_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–162; UniProt 17–178

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 4lzu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4lzu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4lzu
Deposition date deposition_date2013-08-01
Structure title titleBovine beta-lactoglobulin crystallized in the presence of 2 mM zinc chloride
Keywords keywordsTRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.20
Radius of gyration Rg (electron density) rg_electron14.74
Forward intensity I(0) i06160030.00
Molecular weight molecular_weight18134.0 kDa
Excluded volume excluded_volume22836 ų
Envelope volume envelope_volume25772 ų
Hydration-shell volume shell_volume14489 ų
Envelope diameter envelope_diameter47.4
Shell Rg shell_rg20.91
Envelope Rg envelope_rg15.03
Shape Rg shape_rg14.72
Total Rg total_rg16.02
Total atoms total_atoms1263
Residues n_residues160
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 dmax48.6
Rg (real space) rg_real16.05
Rg uncertainty (real space) rg_real_error0.18
I(0) (real space) i0_real6.1600e+06
I(0) uncertainty (real space) i0_real_error6.0960e+04
Rg (reciprocal space) rg_reciprocal16.07
I(0) (reciprocal space) i0_reciprocal6160000.0000
Solution quality estimate total_estimate0.8982
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.0
Skewness Skewness skewness0.001
Kurtosis Kurtosis kurtosis-0.488
Angular range angular_range— – 0.4900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1327000.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.915; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.958

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4lzua_
Class classb — All beta proteins
Fold Fold foldb.60 — Lipocalins
Superfamily Superfamily superfamilyb.60.1 — Lipocalins
Family Family familyb.60.1.1 — Retinol binding protein-like

CATH v4.4 (1 domains)

Domain ID domain_id4lzuA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology128 — Lipocalin
Homologous superfamily homologous superfamily20 — Calycin beta-barrel core domain

8. Citations (1)

9. Files and Curves (10)