8SNE

Chlorella virus Hyaluronan Synthase bound to GlcA extended GlcNAc primer and UDP

• PDB DOI: https://doi.org/10.2210/pdb8SNE/pdb
• EM Map EMD-40624: EMDB EMDataResource

• Classification: TRANSFERASE
• Organism(s): Paramecium bursaria Chlorella virus CZ-2, Lama glama
• Expression System: Escherichia coli BL21(DE3), Escherichia coli K-12
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2023-04-27 Released: 2024-05-01 
• Deposition Author(s): Stephens, Z., Zimmer, J.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Molecular insights into hyaluronan synthesis, secretion, and length control

Gorniak, I., Stephens, Z., Erramilli, S.K., Gawda, T., Kossiakoff, A.A., Zimmer, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 97.56 kDa 
• Atom Count: 6,025 
• Modelled Residue Count: 735 
• Deposited Residue Count: 840 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hyaluronan synthase	A	574	Paramecium bursaria Chlorella virus CZ-2	Mutation(s): 0  Gene Names: CZ-2_118R Membrane Entity: Yes
UniProt
Find proteins for M1H2Q1 (Paramecium bursaria Chlorella virus CZ-2) Explore M1H2Q1  Go to UniProtKB:  M1H2Q1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Nanobody 872	B	134	Lama glama	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Nanobody 886	C	132	Lama glama	Mutation(s): 0

Oligosaccharides

Help

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-glucopyranuronic acid-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose	D	2		N/A
Glycosylation Resources
GlyTouCan:  G92606DY GlyCosmos:  G92606DY GlyGen:  G92606DY

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
3PE	G [auth A]	1,2-Distearoyl-sn-glycerophosphoethanolamine C41 H82 N O8 P LVNGJLRDBYCPGB-LDLOPFEMSA-N
Y01	F [auth A]	CHOLESTEROL HEMISUCCINATE C31 H50 O4 WLNARFZDISHUGS-MIXBDBMTSA-N
UDP (Subject of Investigation/LOI)	E [auth A]	URIDINE-5'-DIPHOSPHATE C9 H14 N2 O12 P2 XCCTYIAWTASOJW-XVFCMESISA-N
MN	H [auth A], I [auth A]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487:

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-01 
Deposition Author(s): Stephens, Z., Zimmer, J.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35GM144130
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01GM117372

Revision History  

• Version 1.0: 2024-05-01
  Type: Initial release