2m55

NMR structure of the complex of an N-terminally acetylated alpha-synuclein peptide with calmodulin

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

Calmodulin

Homo sapiens

UniProt P62158

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Alpha-synuclein × 1 (P37840) CALCIUM ION × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CALM_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–148; UniProt 2–149

Alpha-synuclein

OrganismNot specified

UniProt P37840

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 (P62158) CALCIUM ION × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SYUA_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–20; UniProt 1–19

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_id2m55
Deposition date deposition_date2013-02-13
Structure title titleNMR structure of the complex of an N-terminally acetylated alpha-synuclein peptide with calmodulin
Keywords keywordsProtein/peptide, Ca-binding, CALCIUM BINDING PROTEIN-PROTEIN FIBRIL complex; CALCIUM BINDING PROTEIN/PROTEIN FIBRIL
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.

2m55__assembly_1__model_1

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

Download this curve (.dat)

2m55__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.

2m55__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)18.98 Å
Rg (electron density)17.76 Å
Total Rg18.58 Å
Atom count2552
Residues167
Excluded volume23131 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2m55__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2m55__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2m55__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2m55__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2m55__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2m55__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2m55__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2m55__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2m55__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2m55__assembly_1__model_10 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2m55__assembly_1__model_11 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2m55__assembly_1__model_12 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2m55__assembly_1__model_13 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2m55__assembly_1__model_14 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2m55__assembly_1__model_15 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2m55__assembly_1__model_16 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2m55__assembly_1__model_17 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2m55__assembly_1__model_18 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2m55__assembly_1__model_19 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2m55__assembly_1__model_20 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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7. Citations (1)