9LU8 | pdb_00009lu8

Structure of yeast 1,3-beta-glucan synthase FKS2

PDB DOI: https://doi.org/10.2210/pdb9LU8/pdb
EM Map EMD-63391: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Saccharomyces cerevisiae S288C
Expression System: Saccharomyces cerevisiae
Mutation(s): No

Deposited: 2025-02-08 Released: 2026-04-22
Deposition Author(s): Xiang, W., Jialu, L.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.99 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9LU8

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

Literature

Structure of yeast 1,3-beta-glucan synthase FKS2

Xiang, W., Jialu, L.

To be published.

Macromolecule Content

Total Structure Weight: 219.17 kDa
Atom Count: 11,631
Modeled Residue Count: 1,524
Deposited Residue Count: 1,903
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
1,3-beta-glucan synthase component GSC2	A	1,903	Saccharomyces cerevisiae S288C	Mutation(s): 0 Gene Names: GSC2, FKS2, GLS2, YGR032W EC: 2.4.1.34
UniProt
Find proteins for P40989 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P40989 Go to UniProtKB: P40989
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P40989
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose	B [auth C]	2		N/A	Interactions Focus chain B [auth C] Interactions & Density Focus chain B [auth C]
Glycosylation Resources
GlyTouCan: G79924RM GlyCosmos: G79924RM GlyGen: G79924RM

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose	C [auth B]	3		N/A	Interactions Focus chain C [auth B] Interactions & Density Focus chain C [auth B]
Glycosylation Resources
GlyTouCan: G25559RS GlyCosmos: G25559RS GlyGen: G25559RS

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.99 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-04-22

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32471264

Revision History (Full details and data files)

Version 1.0: 2026-04-22
Type: Initial release

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.