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6ctb

Apo-Calmodulin Bound to Calcium Voltage Gated Channel 1.2 IQ-Motif

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Calmodulin-1

Xenopus laevis

UniProt P0DP33

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Voltage-dependent L-type calcium channel subunit alpha-1C × 1 （P15381） 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
1ckk 6ctb

2 assemblies

View Construct and Data Evidence
UniProt name CALM1_XENLA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–147； UniProt 3–149

Voltage-dependent L-type calcium channel subunit alpha-1C

Oryctolagus cuniculus

UniProt P15381

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Calmodulin-1 × 1 （P0DP33） 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
4dey 6ctb

2 assemblies

View Construct and Data Evidence
UniProt name CAC1C_RABIT
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–25； UniProt 1644–1668

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_id6ctb
Deposition date deposition_date2018-03-22
Structure title titleApo-Calmodulin Bound to Calcium Voltage Gated Channel 1.2 IQ-Motif
Keywords keywordscalmodulin, surface expression, Cav1.2, apo-calmodulin, voltage gated channel, calcium, neuronal signaling, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodSOLUTION NMR
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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.

6ctb__assembly_1__model_1

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

Download this curve (.dat)

6ctb__assembly_1__model_1 | I(q)

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

6ctb__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）14.45 Å
Rg (electron density)12.84 Å
Total Rg14.19 Å
Atom count1479
Residues92
Excluded volume13327 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6ctb__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 6ctb__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 6ctb__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 6ctb__assembly_1__model_4 dimeric （2） 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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6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6ctba_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.5 — Calmodulin-like
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7. Citations (1)