9QW1 | pdb_00009qw1

Nostoc sp. 3335mg GT108 family enzyme D90A mutant complex with octyl-mannotetraose

PDB DOI: https://doi.org/10.2210/pdb9QW1/pdb

Classification: TRANSFERASE
Organism(s): Nostoc
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-04-13 Released: 2026-10-28
Deposition Author(s): Males, A., Ralton, J.E., Kaur, A., Butriss, K., Sobala, L.F., Sharma, M., Moroz, O.V., Williams, S.J., McConville, M.J., Davies, G.J.
Funding Organization(s): Biotechnology and Biological Sciences Research Council (BBSRC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.74 Å
R-Value Free:
0.229 (Depositor), 0.229 (DCC)
R-Value Work:
0.198 (Depositor), 0.198 (DCC)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Structural and Functional Insights into GT108 Enzymes Reveal a Conserved Phosphorylase Mechanism for beta-1,2-Mannogen Metabolism

Males, A., Ralton, J.E., Kaur, A., Butriss, K., Sobala, L.F., Sharma, M., Moroz, O.V., Williams, S.J., McConville, M.J., Davies, G.J.

To be published.

Macromolecule Content

Total Structure Weight: 38.87 kDa
Atom Count: 2,655
Modeled Residue Count: 307
Deposited Residue Count: 346
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GT108 family enzyme	A	346	Nostoc	Mutation(s): 0 EC: 2.4.1.374
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
beta-D-mannopyranose-(1-2)-beta-D-mannopyranose-(1-2)-beta-D-mannopyranose-(1-2)-alpha-D-mannopyranose	B	4		N/A	Interactions Focus chain B Interactions & Density Focus chain B

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PO4 Query on PO4 Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.74 Å
R-Value Free: 0.229 (Depositor), 0.229 (DCC)
R-Value Work: 0.198 (Depositor), 0.198 (DCC)

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 131.34	α = 90
b = 131.34	β = 90
c = 47.37	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-28

Deposition Author(s):

McConville, M.J.

Funding Organization	Location	Grant Number
Biotechnology and Biological Sciences Research Council (BBSRC)	United Kingdom	BB/T004819/1

Revision History (Full details and data files)

Version 1.0: 2026-10-28
Type: Initial release