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6d8c

Cryo-EM structure of FLNaABD E254K bound to phalloidin-stabilized F-actin

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Filamin-A

Homo sapiens

UniProt P21333

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 13 Actin, alpha skeletal muscle × 5 （P68139） Phalloidin × 3 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 5 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2aav 2j3s 2j3s 2k3t 2k7p 2k7q 3hoc 3hoc 3hop 3hop 3hor 3hor

20 assemblies; showing the first 12

Homodimer
2wfn 3cnk 3hoc

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2bp3 2bp3 2brq 2jf1 2mtp 2w0p 3isw 4p3w 4p3w 4p3w 4p3w 4p3w

19 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name FLNA_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 29–306； UniProt 1–278 Author chain B； PDBConstruct 29–306； UniProt 1–278 Author chain C； PDBConstruct 29–306； UniProt 1–278 Author chain D； PDBConstruct 29–306； UniProt 1–278 Author chain E； PDBConstruct 29–306； UniProt 1–278

Actin, alpha skeletal muscle

OrganismNot specified

UniProt P68139

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 13 Filamin-A × 5 （P21333） Phalloidin × 3 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 5 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
6djm 6djn 6djo 7k20 7k21

5 assemblies

Other homooligomers
7bt7 7r8v 8d13 8d14 8d15 8d16 8d17 8d18

8 assemblies

Heteromeric or nucleic-acid complex
1mdu 1mdu 5yu8 6d8c 6m5g 6upv 6upw 6x5z 7bte 7bti 7kch 7r91

54 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ACTS_CHICK
Isoform —
PDB entities 2
Chains and sequence ranges Author chain H； PDBConstruct 1–375； UniProt 3–377 Author chain J； PDBConstruct 1–375； UniProt 3–377 Author chain K； PDBConstruct 1–375； UniProt 3–377 Author chain L； PDBConstruct 1–375； UniProt 3–377 Author chain M； PDBConstruct 1–375； UniProt 3–377

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_id6d8c
Deposition date deposition_date2018-04-26
Structure title titleCryo-EM structure of FLNaABD E254K bound to phalloidin-stabilized F-actin
Keywords keywordsActin-binding domain, Actin crosslinker, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

6d8c__assembly_1__model_1

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

Download this curve (.dat)

6d8c__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6d8c__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）50.36 Å
Rg (electron density)50.62 Å
Total Rg50.64 Å
Atom count39316
Residues2467
Excluded volume351030 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6d8c__assembly_1__model_1 tridecameric （13） 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 (5)

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6. Fold Classification (SCOP + CATH) 25 domains

CATH v4.4 (25 domains)

Domain ID domain_id6d8cA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily10 — Calponin-like domain
Domain ID domain_id6d8cB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily10 — Calponin-like domain
Domain ID domain_id6d8cC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily10 — Calponin-like domain
Domain ID domain_id6d8cD00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily10 — Calponin-like domain
Domain ID domain_id6d8cE00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily10 — Calponin-like domain
Domain ID domain_id6d8cH01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cH02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology36 — Actin; Chain A, domain 2
Homologous superfamily homologous superfamily70 — Actin; Chain A, domain 2
Domain ID domain_id6d8cH03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cH04
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id6d8cJ01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cJ02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology36 — Actin; Chain A, domain 2
Homologous superfamily homologous superfamily70 — Actin; Chain A, domain 2
Domain ID domain_id6d8cJ03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cJ04
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id6d8cK01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cK02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology36 — Actin; Chain A, domain 2
Homologous superfamily homologous superfamily70 — Actin; Chain A, domain 2
Domain ID domain_id6d8cK03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cK04
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id6d8cL01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cL02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology36 — Actin; Chain A, domain 2
Homologous superfamily homologous superfamily70 — Actin; Chain A, domain 2
Domain ID domain_id6d8cL03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cL04
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id6d8cM01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cM02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology36 — Actin; Chain A, domain 2
Homologous superfamily homologous superfamily70 — Actin; Chain A, domain 2
Domain ID domain_id6d8cM03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id6d8cM04
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
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7. Citations (1)