2l1w

The solution structure of soybean calmodulin isoform 4 complexed with the vacuolar calcium ATPase BCA1 peptide

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

Calmodulin

Glycine max

UniProt Q39890

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 vacuolar calcium ATPase BCA1 peptide × 1 CALCIUM ION × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q39890_SOYBN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–149; UniProt 2–150

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_id2l1w
Deposition date deposition_date2010-08-06
Structure title titleThe solution structure of soybean calmodulin isoform 4 complexed with the vacuolar calcium ATPase BCA1 peptide
Keywords keywordsCalmodulin, Calmodulin complex, Soybean calmodulin, Vacuolar calcium ATPase, METAL BINDING PROTEIN; METAL BINDING PROTEIN
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.

2l1w__assembly_1__model_15

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

Download this curve (.dat)

2l1w__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.

2l1w__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)19.69 Å
Rg (electron density)18.66 Å
Total Rg19.45 Å
Atom count2762
Residues174
Excluded volume24847 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2l1w__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2l1w__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2l1w__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2l1w__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2l1w__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2l1w__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2l1w__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2l1w__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2l1w__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2l1w__assembly_1__model_10 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2l1w__assembly_1__model_11 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2l1w__assembly_1__model_12 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2l1w__assembly_1__model_13 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2l1w__assembly_1__model_14 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2l1w__assembly_1__model_15 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2l1w__assembly_1__model_16 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2l1w__assembly_1__model_17 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2l1w__assembly_1__model_18 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2l1w__assembly_1__model_19 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2l1w__assembly_1__model_20 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 21 2l1w__assembly_1__model_21 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 22 2l1w__assembly_1__model_22 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 23 2l1w__assembly_1__model_23 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 24 2l1w__assembly_1__model_24 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 25 2l1w__assembly_1__model_25 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 (3)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2l1wA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand
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7. Citations (1)