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2lnk

Solution structure of Ca-bound S100A4 in complex with non-muscle myosin IIA

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

Myosin heavy chain, non-muscle IIa

OrganismNot specified

UniProt P35579

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Protein S100-A4 × 2 （P26447） 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
2lnk 3zwh 4cfq 4cfq 4cfr 4eto 9ihl 9syu 9szr

9 assemblies

View Construct and Data Evidence
UniProt name MYH9_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain C； PDBConstruct 1–39； UniProt 1897–1935

Protein S100-A4

Homo sapiens

UniProt P26447

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Myosin heavy chain, non-muscle IIa × 1 （P35579） Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1m31 2mrd 2q91 3c1v 3c1v 3cga 3ko0 3ko0 3ko0 3ko0 3ko0 3ko0

26 assemblies; showing the first 12

Homotetramer

None

Other homooligomers
3m0w

1 assemblies

Heteromeric or nucleic-acid complex
2lnk 3zwh 4cfq 4cfq 4cfr 4eto 5lpu 6t58 6t58

9 assemblies

View Construct and Data Evidence
UniProt name S10A4_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain A； PDBConstruct 13–113； UniProt 1–101 Author chain B； PDBConstruct 13–113； UniProt 1–101

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_id2lnk
Deposition date deposition_date2011-12-30
Structure title titleSolution structure of Ca-bound S100A4 in complex with non-muscle myosin IIA
Keywords keywordsEF-hand, calcium binding, all alpha, METAL BINDING PROTEIN, CALCIUM BINDING PROTEIN; CALCIUM 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.

2lnk__assembly_1__model_8

Assembly 1 · Model 8 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2lnk__assembly_1__model_8 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2lnk__assembly_1__model_8 | 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）18.79 Å
Rg (electron density)17.49 Å
Total Rg18.47 Å
Atom count3895
Residues241
Excluded volume34824 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2lnk__assembly_1__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2lnk__assembly_1__model_2 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2lnk__assembly_1__model_3 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2lnk__assembly_1__model_4 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2lnk__assembly_1__model_5 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2lnk__assembly_1__model_6 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2lnk__assembly_1__model_7 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2lnk__assembly_1__model_8 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2lnk__assembly_1__model_9 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2lnk__assembly_1__model_10 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2lnk__assembly_1__model_11 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2lnk__assembly_1__model_12 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2lnk__assembly_1__model_13 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2lnk__assembly_1__model_14 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2lnk__assembly_1__model_15 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2lnk__assembly_1__model_16 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2lnk__assembly_1__model_17 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2lnk__assembly_1__model_18 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2lnk__assembly_1__model_19 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2lnk__assembly_1__model_20 trimeric （3） 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) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2lnkA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand
Domain ID domain_id2lnkB00
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)