3ap9

Crystal structure of the galectin-8 N-terminal carbohydrate recognition domain in complex with Lacto-N-fucopentaose III

Method: X-RAY DIFFRACTION Dmax: 51.9 Å Quality: GOOD

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

Galectin-8

Homo sapiens

UniProt O00214

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–154 Fragment:N-terminal carbohydrate recognition domain ;alpha-L-fucopyranose-(1-3)-[beta-D-galactopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-beta-D-galactopyranose-(1-4)-beta-D-glucopyranose ; × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 CL CHLORIDE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293.15 K;0.275mM protein, 10mM Hepes-NaOH, 2.75mM Lacto-N-fucopentaose III, 50mM sodium chloride, 0.5mM DTT, 50mM ammonium fluoride, 12% PEG 3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K Resolution 1.33 Å R-free 0.178

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.

36 other PDB entries and 55 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LEG8_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–154; UniProt 1–154

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 3ap9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ap9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ap9
Deposition date deposition_date2010-10-12
Structure title titleCrystal structure of the galectin-8 N-terminal carbohydrate recognition domain in complex with Lacto-N-fucopentaose III
Keywords keywordsBeta-Sandwich, Galectin, Carbohydrate/Sugar Binding, Lacto-N-fucopentaose III, Sugar Binding Protein; SUGAR BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.23
Radius of gyration Rg (electron density) rg_electron14.77
Forward intensity I(0) i06031470.00
Molecular weight molecular_weight18110.0 kDa
Excluded volume excluded_volume22866 ų
Envelope volume envelope_volume25748 ų
Hydration-shell volume shell_volume14431 ų
Envelope diameter envelope_diameter52.0
Shell Rg shell_rg21.04
Envelope Rg envelope_rg15.21
Shape Rg shape_rg14.72
Total Rg total_rg16.12
Total atoms total_atoms1273
Residues n_residues151
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 dmax51.9
Rg (real space) rg_real16.10
Rg uncertainty (real space) rg_real_error0.28
I(0) (real space) i0_real6.0310e+06
I(0) uncertainty (real space) i0_real_error7.1500e+04
Rg (reciprocal space) rg_reciprocal16.11
I(0) (reciprocal space) i0_reciprocal6032000.0000
Solution quality estimate total_estimate0.8066
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary51.2
Skewness Skewness skewness0.070
Kurtosis Kurtosis kurtosis-0.385
Angular range angular_range— – 0.4900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1272000.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.833; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3ap9a_
Class classb — All beta proteins
Fold Fold foldb.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamilyb.29.1 — Concanavalin A-like lectins/glucanases
Family Family familyb.29.1.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id3ap9A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily200

8. Citations (1)

9. Files and Curves (10)