1lgb

INTERACTION OF A LEGUME LECTIN WITH THE N2 FRAGMENT OF HUMAN LACTOTRANSFERRIN OR WITH THE ISOLATED BIANTENNARY GLYCOPEPTIDE: ROLE OF THE FUCOSE MOIETY

Method: X-RAY DIFFRACTION Dmax: 93.7 Å Quality: GOOD

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

LEGUME ISOLECTIN II (ALPHA CHAIN)

OrganismNot specified

UniProt P04122

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 Heteromer Protein × 6 其他Polymer 2 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 1–181 Not recorded LEGUME ISOLECTIN II (BETA CHAIN) × 2 (P12307) LACTOTRANSFERRIN (N2 FRAGMENT) × 2 (P02788) ;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 MN MANGANESE (II) ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.30 Å
2 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–181 Not recorded LEGUME ISOLECTIN II (BETA CHAIN) × 1 (P12307) LACTOTRANSFERRIN (N2 FRAGMENT) × 1 (P02788) ;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 MN MANGANESE (II) ION × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.30 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.

8 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LECB_LATOC
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–181; UniProt 1–181

LEGUME ISOLECTIN II (BETA CHAIN)

OrganismNot specified

UniProt P12307

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 Heteromer Protein × 6 其他Polymer 2 PDB declaration: hexameric(6) Consistent with protein copy count Chain B; UniProt 1–53 Not recorded LEGUME ISOLECTIN II (ALPHA CHAIN) × 2 (P04122) LACTOTRANSFERRIN (N2 FRAGMENT) × 2 (P02788) ;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 MN MANGANESE (II) ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.30 Å
2 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 1–53 Not recorded LEGUME ISOLECTIN II (ALPHA CHAIN) × 1 (P04122) LACTOTRANSFERRIN (N2 FRAGMENT) × 1 (P02788) ;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 MN MANGANESE (II) ION × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.30 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.

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

View Construct and Data Evidence
UniProt name LEC2_LATOC
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–53; UniProt 1–53

LACTOTRANSFERRIN (N2 FRAGMENT)

OrganismNot specified

UniProt P02788

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 Heteromer Protein × 6 其他Polymer 2 PDB declaration: hexameric(6) Consistent with protein copy count Chain C; UniProt 111–269 Not recorded LEGUME ISOLECTIN II (ALPHA CHAIN) × 2 (P04122) LEGUME ISOLECTIN II (BETA CHAIN) × 2 (P12307) ;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 MN MANGANESE (II) ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.30 Å
2 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 111–269 Not recorded LEGUME ISOLECTIN II (ALPHA CHAIN) × 1 (P04122) LEGUME ISOLECTIN II (BETA CHAIN) × 1 (P12307) ;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 MN MANGANESE (II) ION × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.30 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.

26 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRFL_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–159; UniProt 111–269

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 1lgb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1lgb
Deposition date deposition_date1994-01-07
Structure title titleINTERACTION OF A LEGUME LECTIN WITH THE N2 FRAGMENT OF HUMAN LACTOTRANSFERRIN OR WITH THE ISOLATED BIANTENNARY GLYCOPEPTIDE: ROLE OF THE FUCOSE MOIETY
Keywords keywordsCOMPLEX(LECTIN-TRANSFERRIN), COMPLEX(LECTIN-TRANSFERRIN) complex; COMPLEX(LECTIN/TRANSFERRIN)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.19
Radius of gyration Rg (electron density) rg_electron26.95
Forward intensity I(0) i032605700.00
Molecular weight molecular_weight44217.0 kDa
Excluded volume excluded_volume55216 ų
Envelope volume envelope_volume66360 ų
Hydration-shell volume shell_volume22355 ų
Envelope diameter envelope_diameter98.8
Shell Rg shell_rg31.64
Envelope Rg envelope_rg26.96
Shape Rg shape_rg26.95
Total Rg total_rg27.47
Total atoms total_atoms3119
Residues n_residues387
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 dmax93.7
Rg (real space) rg_real27.51
Rg uncertainty (real space) rg_real_error0.80
I(0) (real space) i0_real3.2610e+07
I(0) uncertainty (real space) i0_real_error4.0080e+05
Rg (reciprocal space) rg_reciprocal27.42
I(0) (reciprocal space) i0_reciprocal32600000.0000
Solution quality estimate total_estimate0.8112
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.2
Skewness Skewness skewness0.556
Kurtosis Kurtosis kurtosis-0.346
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5786000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.671; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.701; Smooth: 0.829

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1lgb.1
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.29.1.1 — Legume lectins
Domain ID domain_idd1lgbc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.2 — Transferrin

CATH v4.4 (2 domains)

Domain ID domain_id1lgbA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily200
Domain ID domain_id1lgbC00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II

8. Citations (2)

9. Files and Curves (10)