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5kca

Crystal structure of the Cbln1 C1q domain trimer in complex with the amino-terminal domain (ATD) of iGluR Delta-2 (GluD2)

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

Cerebellin-1,Cerebellin-1,Cerebellin-1,Glutamate receptor ionotropic, delta-2

Homo sapiens

UniProt O43424

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Homooligomer Protein 4 CALCIUM ION × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
5kc8

1 assemblies

Homotetramer
9nwo 9nwp 9nwq 9ooo

4 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
5kca

1 assemblies

View Construct and Data Evidence
UniProt name GRID2_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 455–871； UniProt 24–440

Cerebellin-1,Cerebellin-1,Cerebellin-1,Glutamate receptor ionotropic, delta-2

Homo sapiens

UniProt P23435

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Homooligomer Protein 4 CALCIUM ION × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
5kc5 5kc6 5kc7

3 assemblies

Heteromeric or nucleic-acid complex
5kca

1 assemblies

View Construct and Data Evidence
UniProt name CBLN1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 3–138； UniProt 58–193 Author chain A； PDBConstruct 144–280； UniProt 57–193 Author chain A； PDBConstruct 286–422； UniProt 57–193

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_id5kca
Deposition date deposition_date2016-06-05
Structure title titleCrystal structure of the Cbln1 C1q domain trimer in complex with the amino-terminal domain (ATD) of iGluR Delta-2 (GluD2)
Keywords keywordsCerebellin, ionotropic glutamate receptor (iGluR), neurotransmission, Signaling protein; SIGNALING 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.

5kca__assembly_1__model_1

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

Download this curve (.dat)

5kca__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

5kca__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）64.24 Å
Rg (electron density)64.20 Å
Total Rg64.24 Å
Atom count25288
Residues3228
Excluded volume449040 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5kca__assembly_1__model_1 tetrameric （4） 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 (2)

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7. Citations (1)