9WYJ | pdb_00009wyj

Trimeric Alpha-Helix-Inserted Circular Permutant of Cytochrome c555 (I8K/T14D)

PDB DOI: https://doi.org/10.2210/pdb9WYJ/pdb

Classification: ELECTRON TRANSPORT
Organism(s): Aquifex aeolicus VF5
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2025-09-27 Released: 2026-10-07
Deposition Author(s): Kinuyama, M., Fujiwara, K., Novientri, G., Mashima, T., Ogata, H., Hirota, S.
Funding Organization(s): Japan Society for the Promotion of Science (JSPS), Japan Science and Technology

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.66 Å
R-Value Free:
0.224 (Depositor), 0.224 (DCC)
R-Value Work:
0.172 (Depositor), 0.172 (DCC)
R-Value Observed:
0.174 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

Self-assembly of a domain-swapped cytochrome c555 trimer into a nanoporous structure

Novientri, G., Kinuyama, M., Fujiwara, K., Mashima, T., Ogata, H., Hirota, S.

To be published.

Macromolecule Content

Total Structure Weight: 66.48 kDa
Atom Count: 5,381
Modeled Residue Count: 576
Deposited Residue Count: 576
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome c552	A, B, C, D, E A, B, C, D, E, F	96	Aquifex aeolicus VF5	Mutation(s): 3 Gene Names: cycB2, aq_1550
UniProt
Find proteins for O67504 (Aquifex aeolicus (strain VF5)) Explore O67504 Go to UniProtKB: O67504
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O67504
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEC (Subject of Investigation/LOI) Query on HEC Download:Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain I [auth B] SDF format, chain K [auth C] SDF format, chain L [auth D] SDF format, chain N [auth E] SDF format, chain R [auth F] MOL2 format, chain G [auth A] MOL2 format, chain I [auth B] MOL2 format, chain K [auth C] MOL2 format, chain L [auth D] MOL2 format, chain N [auth E] MOL2 format, chain R [auth F] mmCIF format, chain G [auth A] mmCIF format, chain I [auth B] mmCIF format, chain K [auth C] mmCIF format, chain L [auth D] mmCIF format, chain N [auth E] mmCIF format, chain R [auth F]	G [auth A] I [auth B] K [auth C] L [auth D] N [auth E] G [auth A], I [auth B], K [auth C], L [auth D], N [auth E], R [auth F]	HEME C C₃₄ H₃₆ Fe N₄ O₄ YZTICFPLOXKSQO-RGGAHWMASA-L		Interactions Focus chain G [auth A] Focus chain I [auth B] Focus chain K [auth C] Focus chain L [auth D] Focus chain N [auth E] Focus chain R [auth F] Interactions & Density Focus chain G [auth A] Focus chain I [auth B] Focus chain K [auth C] Focus chain L [auth D] Focus chain N [auth E] Focus chain R [auth F]
PO4 Query on PO4 Download:Ideal Coordinates CCD File SDF format, chain H [auth B] SDF format, chain J [auth C] SDF format, chain M [auth E] SDF format, chain O [auth F] SDF format, chain P [auth F] MOL2 format, chain H [auth B] MOL2 format, chain J [auth C] MOL2 format, chain M [auth E] MOL2 format, chain O [auth F] MOL2 format, chain P [auth F] mmCIF format, chain H [auth B] mmCIF format, chain J [auth C] mmCIF format, chain M [auth E] mmCIF format, chain O [auth F] mmCIF format, chain P [auth F]	H [auth B], J [auth C], M [auth E], O [auth F], P [auth F]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain H [auth B] Focus chain J [auth C] Focus chain M [auth E] Focus chain O [auth F] Focus chain P [auth F] Interactions & Density Focus chain H [auth B] Focus chain J [auth C] Focus chain M [auth E] Focus chain O [auth F] Focus chain P [auth F]
GOL Query on GOL Download:Ideal Coordinates CCD File SDF format, chain Q [auth F] MOL2 format, chain Q [auth F] mmCIF format, chain Q [auth F]	Q [auth F]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain Q [auth F] Interactions & Density Focus chain Q [auth F]