44MS | pdb_000044ms

VcFadRqm, a quadruple mutant (Y153A, K156E, L203F, L208F) of fatty acid metabolism regulator protein from Vibrio cholerae, in complex with oleoyl-CoA

PDB DOI: https://doi.org/10.2210/pdb44MS/pdb
Entry: 44MS supersedes: 8Y41

Classification: TRANSCRIPTION
Organism(s): Vibrio cholerae O395
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
Mutation(s): No

Deposited: 2026-08-04 Released: 2026-09-16
Deposition Author(s): Tsui, W., Ma, J.B.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.58 Å
R-Value Free:
0.276 (Depositor), 0.279 (DCC)
R-Value Work:
0.257 (Depositor), 0.257 (DCC)
R-Value Observed:
0.258 (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

VcFadRqm, a quadruple mutant (Y153A, K156E, L203F, L208F) of fatty acid metabolism regulator protein from Vibrio cholerae, in complex with oleoyl-CoA

Tsui, W., Ma, J.B.

To be published.

Macromolecule Content

Total Structure Weight: 66.53 kDa
Atom Count: 4,138
Modeled Residue Count: 526
Deposited Residue Count: 558
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fatty acid metabolism regulator protein	A, B	279	Vibrio cholerae O395	Mutation(s): 0 Gene Names: fadR, VC0395_A1490, VC395_2015
UniProt
Find proteins for A5F6Z2 (Vibrio cholerae serotype O1 (strain ATCC 39541 / Classical Ogawa 395 / O395)) Explore A5F6Z2 Go to UniProtKB: A5F6Z2
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A5F6Z2
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
3VV (Subject of Investigation/LOI) Query on 3VV Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain F [auth B] MOL2 format, chain C [auth A] MOL2 format, chain F [auth B] mmCIF format, chain C [auth A] mmCIF format, chain F [auth B]	C [auth A], F [auth B]	S-{(3R,5R,9R)-1-[(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-hydroxy-3-(phosphonooxy)tetrahydrofuran-2-yl]-3,5,9-trihydroxy-8,8-dimethyl-3,5-dioxido-10,14-dioxo-2,4,6-trioxa-11,15-diaza-3lambda~5~,5lambda~5~-diphosphaheptadecan-17-yl} (9Z)-octadec-9-enethioate (non-preferred name) C₃₉ H₆₈ N₇ O₁₇ P₃ S XDUHQPOXLUAVEE-BPMMELMSSA-N		Interactions Focus chain C [auth A] Focus chain F [auth B] Interactions & Density Focus chain C [auth A] Focus chain F [auth B]
CD Query on CD Download:Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain G [auth B] SDF format, chain H [auth B] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain G [auth B] MOL2 format, chain H [auth B] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain G [auth B] mmCIF format, chain H [auth B]	D [auth A], E [auth A], G [auth B], H [auth B]	CADMIUM ION Cd WLZRMCYVCSSEQC-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain G [auth B] Focus chain H [auth B] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain G [auth B] Focus chain H [auth B]