9FYI | pdb_00009fyi

[4Fe-4S] Cluster-Containing L-Cysteine Desulfidase CyuA from Methanococcus maripaludis

PDB DOI: https://doi.org/10.2210/pdb9FYI/pdb

Classification: TRANSFERASE
Organism(s): Methanococcus maripaludis
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2024-07-03 Released: 2025-07-16
Deposition Author(s): Zecchin, P., Pecqueur, L., Golinelli, B.
Funding Organization(s): Agence Nationale de la Recherche (ANR)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.94 Å
R-Value Free:
0.261 (Depositor), 0.265 (DCC)
R-Value Work:
0.222 (Depositor), 0.225 (DCC)
R-Value Observed:
0.224 (Depositor)

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

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

Literature

Insights into the phylogenetic distribution, structure and function of [4Fe-4S]-dependent L-cysteine desulfidase, an enzyme that supplies sulfide to the archaeon Methanococcus maripaludis

Zecchin, P., Golinelli, B.

To be published.

Macromolecule Content

Total Structure Weight: 88.67 kDa
Atom Count: 5,641
Modeled Residue Count: 738
Deposited Residue Count: 800
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
L-cysteine desulfidase	A, B	400	Methanococcus maripaludis	Mutation(s): 0 Gene Names: MMP1468 EC: 4.4.1.28
UniProt
Find proteins for Q6LX84 (Methanococcus maripaludis (strain DSM 14266 / JCM 13030 / NBRC 101832 / S2 / LL)) Explore Q6LX84 Go to UniProtKB: Q6LX84
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q6LX84
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SF4 Query on SF4 Download Ideal Coordinates CCD File SDF format, chain E [auth B] SDF format, chain C [auth A] MOL2 format, chain E [auth B] MOL2 format, chain C [auth A] mmCIF format, chain E [auth B] mmCIF format, chain C [auth A]	C [auth A], E [auth B]	IRON/SULFUR CLUSTER Fe₄ S₄ LJBDFODJNLIPKO-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain E [auth B] Interactions & Density Focus chain C [auth A] Focus chain E [auth B]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain F [auth B] MOL2 format, chain D [auth A] MOL2 format, chain F [auth B] mmCIF format, chain D [auth A] mmCIF format, chain F [auth B]	D [auth A], F [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain D [auth A] Focus chain F [auth B] Interactions & Density Focus chain D [auth A] Focus chain F [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.94 Å
R-Value Free: 0.261 (Depositor), 0.265 (DCC)
R-Value Work: 0.222 (Depositor), 0.225 (DCC)
R-Value Observed: 0.224 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.121	α = 90
b = 79.148	β = 90
c = 156.38	γ = 90

Software Package:

Software Name	Purpose
autoPROC	data processing
XDS	data reduction
Aimless	data scaling
STARANISO	data scaling
PHASES	phasing
BUSTER	refinement

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2025-07-16

Deposition Author(s):

Funding Organization	Location	Grant Number
Agence Nationale de la Recherche (ANR)	France	ANR-11-LABX-0011

Revision History (Full details and data files)

Version 1.0: 2025-07-16
Type: Initial release

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.