2k3s

HADDOCK-derived structure of the CH-domain of the smoothelin-like 1 complexed with the C-domain of apocalmodulin

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

Smoothelin-like protein 1

Mus musculus

UniProt Q99LM3

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 (P62155) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SMTL1_MOUSE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–119; UniProt 346–459

Calmodulin

Xenopus laevis

UniProt P62155

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Smoothelin-like protein 1 × 1 (Q99LM3) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CALM_XENLA
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–67; UniProt 83–149

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_id2k3s
Deposition date deposition_date2008-05-15
Structure title titleHADDOCK-derived structure of the CH-domain of the smoothelin-like 1 complexed with the C-domain of apocalmodulin
Keywords keywords;apocalmodulin complex, calponin homology domain, smoothelin-like 1, HADDOCK model, CH-domain, Coiled coil, Acetylation, Calcium, Methylation, 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.

2k3s__assembly_1__model_1

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

Download this curve (.dat)

2k3s__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.

2k3s__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)19.52 Å
Rg (electron density)18.54 Å
Total Rg19.52 Å
Atom count1840
Residues186
Excluded volume26578 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2k3s__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2k3s__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2k3s__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2k3s__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2k3s__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2k3s__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2k3s__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2k3s__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2k3s__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2k3s__assembly_1__model_10 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2k3s__assembly_1__model_11 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2k3s__assembly_1__model_12 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2k3s__assembly_1__model_13 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2k3s__assembly_1__model_14 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2k3s__assembly_1__model_15 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) 4 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2k3sa1
Class classa — All alpha proteins
Fold Fold folda.40 — CH domain-like
Superfamily Superfamily superfamilya.40.1 — Calponin-homology domain, CH-domain
Family Family familya.40.1.0 — automated matches
Domain ID domain_idd2k3sa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2k3sb1
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

CATH v4.4 (1 domains)

Domain ID domain_id2k3sA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily10 — Calponin-like domain
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7. Citations (1)