← Back to search
1t8d

Structure of the C-type lectin domain of CD23

Method: SOLUTION NMR
▼

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

Low affinity immunoglobulin epsilon Fc receptor

Homo sapiens

UniProt P06734

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1t8c 1t8d 2h2t 4g96 4g96 4g96 4g96 4g9a 4g9a 4g9a 4g9a 4gj0

67 assemblies; showing the first 12

Homodimer
2h2r 4j6q

2 assemblies

Homotetramer

None

Other homooligomers
4gi0

1 assemblies

Heteromeric or nucleic-acid complex
4ezm 4ezm 4ezm 4gko 4gko 4gko 4ki1 4ki1 5lgk 5lgk

10 assemblies

View Construct and Data Evidence
UniProt name FCER2_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–143； UniProt 156–298

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id1t8d
Deposition date deposition_date2004-05-12
Structure title titleStructure of the C-type lectin domain of CD23
Keywords keywordsc-type lectin, fcerII, fc receptor, IgE, immune system; IMMUNE SYSTEM
Experimental Method methodSOLUTION NMR
▼

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.

1t8d__assembly_1__model_15

Assembly 1 · Model 15 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1t8d__assembly_1__model_15 | I(q)

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

1t8d__assembly_1__model_15 | 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）17.32 Å
Rg (electron density)16.35 Å
Total Rg17.40 Å
Atom count2168
Residues143
Excluded volume19682 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1t8d__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1t8d__assembly_1__model_2 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1t8d__assembly_1__model_3 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1t8d__assembly_1__model_4 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1t8d__assembly_1__model_5 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1t8d__assembly_1__model_6 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1t8d__assembly_1__model_7 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1t8d__assembly_1__model_8 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1t8d__assembly_1__model_9 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1t8d__assembly_1__model_10 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1t8d__assembly_1__model_11 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1t8d__assembly_1__model_12 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1t8d__assembly_1__model_13 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1t8d__assembly_1__model_14 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 1t8d__assembly_1__model_15 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 1t8d__assembly_1__model_16 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 1t8d__assembly_1__model_17 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 1t8d__assembly_1__model_18 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 1t8d__assembly_1__model_19 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 1t8d__assembly_1__model_20 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (1)

▼

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1t8da_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.169 — C-type lectin-like
Superfamily Superfamily superfamilyd.169.1 — C-type lectin-like
Family Family familyd.169.1.1 — C-type lectin domain

CATH v4.4 (1 domains)

Domain ID domain_id1t8dA01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology100 — Mannose-Binding Protein A; Chain A
Homologous superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
▶

7. Citations (1)