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4r6n

Jacalin-carbohydrate interactions. Distortion of the ligand as a determinant of affinity

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Agglutinin alpha chain

OrganismNot specified

UniProt P18670

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Agglutinin beta-3 chain × 2 （P18673） methyl beta-D-galactopyranoside × 1 ISOPROPYL ALCOHOL × 10 1,2-ETHANEDIOL × 3 water × 4 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 4 Agglutinin beta-3 chain × 2 （P18673） methyl beta-D-galactopyranoside × 2 ISOPROPYL ALCOHOL × 8 1,2-ETHANEDIOL × 2 water × 4 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 8 Agglutinin beta-3 chain × 4 （P18673） methyl beta-D-galactopyranoside × 3 ISOPROPYL ALCOHOL × 18 1,2-ETHANEDIOL × 5 water × 8 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1jac 1jac 1jac 1ku8 1kuj 1pxd 1ugw 1ugx 1ugy 1uh0 1uh0 1uh0

48 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name LECA_ARTIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–133； UniProt 1–133 Author chain C； PDBConstruct 1–133； UniProt 1–133 Author chain E； PDBConstruct 1–133； UniProt 1–133 Author chain G； PDBConstruct 1–133； UniProt 1–133

Agglutinin beta-3 chain

OrganismNot specified

UniProt P18673

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Agglutinin alpha chain × 2 （P18670） methyl beta-D-galactopyranoside × 1 ISOPROPYL ALCOHOL × 10 1,2-ETHANEDIOL × 3 water × 4 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 4 Agglutinin alpha chain × 2 （P18670） methyl beta-D-galactopyranoside × 2 ISOPROPYL ALCOHOL × 8 1,2-ETHANEDIOL × 2 water × 4 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 8 Agglutinin alpha chain × 4 （P18670） methyl beta-D-galactopyranoside × 3 ISOPROPYL ALCOHOL × 18 1,2-ETHANEDIOL × 5 water × 8 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1pxd 1ugw 1ugx 1ugy 1uh0 1uh0 1uh0 1uh1 1uh1 1uh1 1uh1 1ws4

38 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name LECB3_ARTIN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–19； UniProt 2–20 Author chain D； PDBConstruct 1–19； UniProt 2–20 Author chain F； PDBConstruct 1–19； UniProt 2–20 Author chain H； PDBConstruct 1–19； UniProt 2–20

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id4r6n
Deposition date deposition_date2014-08-26
Structure title titleJacalin-carbohydrate interactions. Distortion of the ligand as a determinant of affinity
Keywords keywords;Galactose specific lectin, beta-prism I fold, post translational proteolysis, T-antigen binding protein, Plant lectins, Galactose, SUGAR BINDING PROTEIN ;; SUGAR BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

4r6n__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

4r6n__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

4r6n__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）21.03 Å
Rg (electron density)19.91 Å
Total Rg20.86 Å
Atom count2369
Residues298
Excluded volume42785 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4r6n__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 4r6n__assembly_2__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 4r6n__assembly_3__model_1 octameric （8） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (6)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id4r6nA00
Class class2 — Mainly Beta
Architecture architecture100 — Aligned Prism
Topology topology10 — Vitelline Membrane Outer Layer Protein I, subunit A
Homologous superfamily homologous superfamily30 — Jacalin-like lectin domain
Domain ID domain_id4r6nC00
Class class2 — Mainly Beta
Architecture architecture100 — Aligned Prism
Topology topology10 — Vitelline Membrane Outer Layer Protein I, subunit A
Homologous superfamily homologous superfamily30 — Jacalin-like lectin domain
Domain ID domain_id4r6nE00
Class class2 — Mainly Beta
Architecture architecture100 — Aligned Prism
Topology topology10 — Vitelline Membrane Outer Layer Protein I, subunit A
Homologous superfamily homologous superfamily30 — Jacalin-like lectin domain
Domain ID domain_id4r6nG00
Class class2 — Mainly Beta
Architecture architecture100 — Aligned Prism
Topology topology10 — Vitelline Membrane Outer Layer Protein I, subunit A
Homologous superfamily homologous superfamily30 — Jacalin-like lectin domain
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7. Citations (6)