5XEN | pdb_00005xen

Crystal structure of a hydrogen sulfide-producing enzyme (Fn1220) from Fusobacterium nucleatum in complex with L-serine-PLP Schiff base

PDB DOI: https://doi.org/10.2210/pdb5XEN/pdb

Classification: TRANSFERASE
Organism(s): Fusobacterium nucleatum subsp. nucleatum ATCC 25586
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2017-04-05 Released: 2018-04-11
Deposition Author(s): Kezuka, Y., Yoshida, Y., Nonaka, T.
Funding Organization(s): Japan Society for the Promotion of Science

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.94 Å
R-Value Free:
0.186 (Depositor), 0.192 (DCC)
R-Value Work:
0.158 (Depositor), 0.166 (DCC)
R-Value Observed:
0.160 (Depositor)

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

Crystal structure of a hydrogen sulfide-producing enzyme (Fn1220) from Fusobacterium nucleatum in complex with L-serine-PLP Schiff base

Kezuka, Y., Yoshida, Y., Nonaka, T.

To be published.

Macromolecule Content

Total Structure Weight: 69.01 kDa
Atom Count: 5,138
Modeled Residue Count: 601
Deposited Residue Count: 620
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cysteine synthase	A, B	310	Fusobacterium nucleatum subsp. nucleatum ATCC 25586	Mutation(s): 0 Gene Names: FN1220 EC: 2.5.1.47
UniProt
Find proteins for Q8RE94 (Fusobacterium nucleatum subsp. nucleatum (strain ATCC 25586 / DSM 15643 / BCRC 10681 / CIP 101130 / JCM 8532 / KCTC 2640 / LMG 13131 / VPI 4355)) Explore Q8RE94 Go to UniProtKB: Q8RE94
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q8RE94
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PLP Query on PLP Download:Ideal Coordinates CCD File SDF format, chain O [auth B] SDF format, chain M [auth B] SDF format, chain E [auth A] SDF format, chain C [auth A] MOL2 format, chain O [auth B] MOL2 format, chain M [auth B] MOL2 format, chain E [auth A] MOL2 format, chain C [auth A] mmCIF format, chain O [auth B] mmCIF format, chain M [auth B] mmCIF format, chain E [auth A] mmCIF format, chain C [auth A]	C [auth A], E [auth A], M [auth B], O [auth B]	PYRIDOXAL-5'-PHOSPHATE C₈ H₁₀ N O₆ P NGVDGCNFYWLIFO-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain E [auth A] Focus chain M [auth B] Focus chain O [auth B] Interactions & Density Focus chain C [auth A] Focus chain E [auth A] Focus chain M [auth B] Focus chain O [auth B]
PEG Query on PEG Download:Ideal Coordinates CCD File SDF format, chain U [auth B] SDF format, chain T [auth B] SDF format, chain K [auth A] MOL2 format, chain U [auth B] MOL2 format, chain T [auth B] MOL2 format, chain K [auth A] mmCIF format, chain U [auth B] mmCIF format, chain T [auth B] mmCIF format, chain K [auth A]	K [auth A], T [auth B], U [auth B]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain K [auth A] Focus chain T [auth B] Focus chain U [auth B] Interactions & Density Focus chain K [auth A] Focus chain T [auth B] Focus chain U [auth B]
SER Query on SER Download:Ideal Coordinates CCD File SDF format, chain N [auth B] SDF format, chain D [auth A] MOL2 format, chain N [auth B] MOL2 format, chain D [auth A] mmCIF format, chain N [auth B] mmCIF format, chain D [auth A]	D [auth A], N [auth B]	SERINE C₃ H₇ N O₃ MTCFGRXMJLQNBG-REOHCLBHSA-N		Interactions Focus chain D [auth A] Focus chain N [auth B] Interactions & Density Focus chain D [auth A] Focus chain N [auth B]
ACT Query on ACT Download:Ideal Coordinates CCD File SDF format, chain P [auth B] SDF format, chain F [auth A] MOL2 format, chain P [auth B] MOL2 format, chain F [auth A] mmCIF format, chain P [auth B] mmCIF format, chain F [auth A]	F [auth A], P [auth B]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain F [auth A] Focus chain P [auth B] Interactions & Density Focus chain F [auth A] Focus chain P [auth B]
CA Query on CA Download:Ideal Coordinates CCD File SDF format, chain S [auth B] SDF format, chain R [auth B] SDF format, chain Q [auth B] SDF format, chain L [auth A] SDF format, chain J [auth A] SDF format, chain I [auth A] SDF format, chain H [auth A] SDF format, chain G [auth A] MOL2 format, chain S [auth B] MOL2 format, chain R [auth B] MOL2 format, chain Q [auth B] MOL2 format, chain L [auth A] MOL2 format, chain J [auth A] MOL2 format, chain I [auth A] MOL2 format, chain H [auth A] MOL2 format, chain G [auth A] mmCIF format, chain S [auth B] mmCIF format, chain R [auth B] mmCIF format, chain Q [auth B] mmCIF format, chain L [auth A] mmCIF format, chain J [auth A] mmCIF format, chain I [auth A] mmCIF format, chain H [auth A] mmCIF format, chain G [auth A]	G [auth A] H [auth A] I [auth A] J [auth A] L [auth A] G [auth A], H [auth A], I [auth A], J [auth A], L [auth A], Q [auth B], R [auth B], S [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain L [auth A] Focus chain Q [auth B] Focus chain R [auth B] Focus chain S [auth B] Interactions & Density Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain L [auth A] Focus chain Q [auth B] Focus chain R [auth B] Focus chain S [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.94 Å
R-Value Free: 0.186 (Depositor), 0.192 (DCC)
R-Value Work: 0.158 (Depositor), 0.166 (DCC)
R-Value Observed: 0.160 (Depositor)

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 116.869	α = 90
b = 116.869	β = 90
c = 99.393	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2018-04-11

Deposition Author(s):

Kezuka, Y.

Yoshida, Y.

Nonaka, T.

Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science	Japan	JP21791810
Japan Society for the Promotion of Science	Japan	JP23792130

Revision History (Full details and data files)

Version 1.0: 2018-04-11
Type: Initial release
Version 1.1: 2025-04-09
Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary