9QGK | pdb_00009qgk

F-actin decorated by ITPKA

PDB DOI: https://doi.org/10.2210/pdb9QGK/pdb
EM Map EMD-53133: EMDB EMDataResource

Classification: CYTOSOLIC PROTEIN
Organism(s): Homo sapiens, Gallus, Amanita phalloides
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG, Gallus, Amanita phalloides
Mutation(s): No

Deposited: 2025-03-13 Released: 2026-03-25
Deposition Author(s): Yuan, B., Paraschiakos, T., Windhorst, S., Marlovits, T.C.
Funding Organization(s): German Research Foundation (DFG)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.97 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

F-actin decorated by ITPKA

Yuan, B., Paraschiakos, T., Windhorst, S., Marlovits, T.C.

To be published.

Macromolecule Content

Total Structure Weight: 470.65 kDa
Atom Count: 15,640
Modeled Residue Count: 1,991
Deposited Residue Count: 4,211
Unique protein chains: 3

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Inositol-trisphosphate 3-kinase A	A, B, C, D, E	461	Homo sapiens	Mutation(s): 0 Gene Names: ITPKA EC: 2.7.1.127
UniProt & NIH Common Fund Data Resources
Find proteins for P23677 (Homo sapiens) Explore P23677 Go to UniProtKB: P23677
PHAROS: P23677 GTEx: ENSG00000137825
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P23677
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Actin, alpha skeletal muscle	F, G, H, I, J	377	Gallus	Mutation(s): 0 Gene Names: ACTA1, ACTA EC: 3.6.4
UniProt
Find proteins for P68139 (Gallus gallus) Explore P68139 Go to UniProtKB: P68139
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P68139
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Phalloidin	K [auth X], L [auth Y], M [auth Z]	7	Amanita phalloides	Mutation(s): 0
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ADP (Subject of Investigation/LOI) Query on ADP Download Ideal Coordinates CCD File SDF format, chain O [auth F] SDF format, chain Q [auth G] SDF format, chain S [auth H] SDF format, chain U [auth I] SDF format, chain W [auth J] MOL2 format, chain O [auth F] MOL2 format, chain Q [auth G] MOL2 format, chain S [auth H] MOL2 format, chain U [auth I] MOL2 format, chain W [auth J] mmCIF format, chain O [auth F] mmCIF format, chain Q [auth G] mmCIF format, chain S [auth H] mmCIF format, chain U [auth I] mmCIF format, chain W [auth J]	O [auth F], Q [auth G], S [auth H], U [auth I], W [auth J]	ADENOSINE-5'-DIPHOSPHATE C₁₀ H₁₅ N₅ O₁₀ P₂ XTWYTFMLZFPYCI-KQYNXXCUSA-N		Interactions Focus chain O [auth F] Focus chain Q [auth G] Focus chain S [auth H] Focus chain U [auth I] Focus chain W [auth J] Interactions & Density Focus chain O [auth F] Focus chain Q [auth G] Focus chain S [auth H] Focus chain U [auth I] Focus chain W [auth J]
MG (Subject of Investigation/LOI) Query on MG Download Ideal Coordinates CCD File SDF format, chain N [auth F] SDF format, chain P [auth G] SDF format, chain R [auth H] SDF format, chain T [auth I] SDF format, chain V [auth J] MOL2 format, chain N [auth F] MOL2 format, chain P [auth G] MOL2 format, chain R [auth H] MOL2 format, chain T [auth I] MOL2 format, chain V [auth J] mmCIF format, chain N [auth F] mmCIF format, chain P [auth G] mmCIF format, chain R [auth H] mmCIF format, chain T [auth I] mmCIF format, chain V [auth J]	N [auth F], P [auth G], R [auth H], T [auth I], V [auth J]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain N [auth F] Focus chain P [auth G] Focus chain R [auth H] Focus chain T [auth I] Focus chain V [auth J] Interactions & Density Focus chain N [auth F] Focus chain P [auth G] Focus chain R [auth H] Focus chain T [auth I] Focus chain V [auth J]

Modified Residues 4 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
HIC Query on HIC	F, G, H, I, J	L-PEPTIDE LINKING	C₇ H₁₁ N₃ O₂		HIS
ALO Query on ALO	K [auth X], L [auth Y], M [auth Z]	L-PEPTIDE LINKING	C₄ H₉ N O₃		THR
G5G Query on G5G	K [auth X], L [auth Y], M [auth Z]	L-PEPTIDE LINKING	C₆ H₁₃ N O₄		LEU
HYP Query on HYP	K [auth X], L [auth Y], M [auth Z]	L-PEPTIDE LINKING	C₅ H₉ N O₃		PRO