1bwu

MANNOSE-SPECIFIC AGGLUTININ (LECTIN) FROM GARLIC (ALLIUM SATIVUM) BULBS COMPLEXED WITH ALPHA-D-MANNOSE

Method: X-RAY DIFFRACTION Dmax: 85.9 Å Quality: EXCELLENT

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

PROTEIN (AGGLUTININ)

OrganismNot specified

UniProt Q38789

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 heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 177–282 Chain P; UniProt 18–123 Not recorded PROTEIN (AGGLUTININ) × 1 (Q38784) PROTEIN (AGGLUTININ) × 1 (Q38784) MAN alpha-D-mannopyranose × 14 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;20% PEG8000, 5.5 MG/ML PROTEIN, 10MM MANNOSE, 20MM PBS PH 7.0, 1 WEEK, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.80 Å R-free 0.278
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain P; UniProt 18–123 Not recorded PROTEIN (AGGLUTININ) × 1 (Q38784) MAN alpha-D-mannopyranose × 7 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;20% PEG8000, 5.5 MG/ML PROTEIN, 10MM MANNOSE, 20MM PBS PH 7.0, 1 WEEK, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.80 Å R-free 0.278
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 177–282 Not recorded PROTEIN (AGGLUTININ) × 1 (Q38784) MAN alpha-D-mannopyranose × 7 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;20% PEG8000, 5.5 MG/ML PROTEIN, 10MM MANNOSE, 20MM PBS PH 7.0, 1 WEEK, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.80 Å R-free 0.278

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.

1 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q38789_ALLSA
Isoform
PDB entities 1, 3
Chains and sequence ranges Author chain A; PDBConstruct 1–106; UniProt 177–282 Author chain P; PDBConstruct 1–106; UniProt 18–123

PROTEIN (AGGLUTININ)

OrganismNot specified

UniProt Q38784

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 heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain D; UniProt 25–133 Chain Q; UniProt 25–133 Not recorded PROTEIN (AGGLUTININ) × 1 (Q38789) PROTEIN (AGGLUTININ) × 1 (Q38789) MAN alpha-D-mannopyranose × 14 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;20% PEG8000, 5.5 MG/ML PROTEIN, 10MM MANNOSE, 20MM PBS PH 7.0, 1 WEEK, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.80 Å R-free 0.278
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain Q; UniProt 25–133 Not recorded PROTEIN (AGGLUTININ) × 1 (Q38789) MAN alpha-D-mannopyranose × 7 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;20% PEG8000, 5.5 MG/ML PROTEIN, 10MM MANNOSE, 20MM PBS PH 7.0, 1 WEEK, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.80 Å R-free 0.278
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 25–133 Not recorded PROTEIN (AGGLUTININ) × 1 (Q38789) MAN alpha-D-mannopyranose × 7 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;20% PEG8000, 5.5 MG/ML PROTEIN, 10MM MANNOSE, 20MM PBS PH 7.0, 1 WEEK, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.80 Å R-free 0.278

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name Q38784_ALLSA
Isoform
PDB entities 2, 4
Chains and sequence ranges Author chain D; PDBConstruct 1–109; UniProt 25–133 Author chain Q; PDBConstruct 1–109; UniProt 25–133

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 1bwu

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1bwu
Deposition date deposition_date1998-09-28
Structure title titleMANNOSE-SPECIFIC AGGLUTININ (LECTIN) FROM GARLIC (ALLIUM SATIVUM) BULBS COMPLEXED WITH ALPHA-D-MANNOSE
Keywords keywordsBULB LECTIN, MANNOSE, PLANT PROTEIN; PLANT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.29
Radius of gyration Rg (electron density) rg_electron26.48
Forward intensity I(0) i045394600.00
Molecular weight molecular_weight50139.0 kDa
Excluded volume excluded_volume61675 ų
Envelope volume envelope_volume77203 ų
Hydration-shell volume shell_volume24894 ų
Envelope diameter envelope_diameter89.7
Shell Rg shell_rg32.92
Envelope Rg envelope_rg26.11
Shape Rg shape_rg26.44
Total Rg total_rg27.26
Total atoms total_atoms3527
Residues n_residues430
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 dmax85.9
Rg (real space) rg_real27.27
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real4.5390e+07
I(0) uncertainty (real space) i0_real_error6.4610e+05
Rg (reciprocal space) rg_reciprocal27.28
I(0) (reciprocal space) i0_reciprocal45390000.0000
Solution quality estimate total_estimate0.9044
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.1
Skewness Skewness skewness0.245
Kurtosis Kurtosis kurtosis-0.552
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6007000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.958; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.892

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1bwua_
Class classb — All beta proteins
Fold Fold foldb.78 — beta-Prism II
Superfamily Superfamily superfamilyb.78.1 — alpha-D-mannose-specific plant lectins
Family Family familyb.78.1.1 — alpha-D-mannose-specific plant lectins
Domain ID domain_idd1bwud_
Class classb — All beta proteins
Fold Fold foldb.78 — beta-Prism II
Superfamily Superfamily superfamilyb.78.1 — alpha-D-mannose-specific plant lectins
Family Family familyb.78.1.1 — alpha-D-mannose-specific plant lectins
Domain ID domain_idd1bwup_
Class classb — All beta proteins
Fold Fold foldb.78 — beta-Prism II
Superfamily Superfamily superfamilyb.78.1 — alpha-D-mannose-specific plant lectins
Family Family familyb.78.1.1 — alpha-D-mannose-specific plant lectins
Domain ID domain_idd1bwuq_
Class classb — All beta proteins
Fold Fold foldb.78 — beta-Prism II
Superfamily Superfamily superfamilyb.78.1 — alpha-D-mannose-specific plant lectins
Family Family familyb.78.1.1 — alpha-D-mannose-specific plant lectins

CATH v4.4 (4 domains)

Domain ID domain_id1bwuA00
Class class2 — Mainly Beta
Architecture architecture90 — Orthogonal Prism
Topology topology10 — Agglutinin, subunit A
Homologous superfamily homologous superfamily10 — Bulb-type lectin domain
Domain ID domain_id1bwuD00
Class class2 — Mainly Beta
Architecture architecture90 — Orthogonal Prism
Topology topology10 — Agglutinin, subunit A
Homologous superfamily homologous superfamily10 — Bulb-type lectin domain
Domain ID domain_id1bwuP00
Class class2 — Mainly Beta
Architecture architecture90 — Orthogonal Prism
Topology topology10 — Agglutinin, subunit A
Homologous superfamily homologous superfamily10 — Bulb-type lectin domain
Domain ID domain_id1bwuQ00
Class class2 — Mainly Beta
Architecture architecture90 — Orthogonal Prism
Topology topology10 — Agglutinin, subunit A
Homologous superfamily homologous superfamily10 — Bulb-type lectin domain

8. Citations (2)

9. Files and Curves (10)