9G8H | pdb_00009g8h

Crystal structure of a galactose oxidase in complex with galactose

PDB DOI: https://doi.org/10.2210/pdb9G8H/pdb

Classification: OXIDOREDUCTASE
Organism(s): Pseudarthrobacter siccitolerans
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2024-07-23 Released: 2025-08-06
Deposition Author(s): Borges, P.T., Frazao, T., Frazao, C., Martins, L.
Funding Organization(s): Foundation for Science and Technology (FCT)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.10 Å
R-Value Free:
0.237 (Depositor), 0.234 (DCC)
R-Value Work:
0.161 (Depositor), 0.169 (DCC)
R-Value Observed:
0.165 (Depositor)

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

Ligand Structure Quality Assessment

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

Literature

Unraveling the Catalytic and Structural Properties of a New Bacterial Galactose Oxidase

Taborda, A., Frazao, T., Frazao, C., Borges, P.T., Martins, L.

To be published.

Macromolecule Content

Total Structure Weight: 65.24 kDa
Atom Count: 4,891
Modeled Residue Count: 623
Deposited Residue Count: 623
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galactose oxidase	A	617	Pseudarthrobacter siccitolerans	Mutation(s): 0 Gene Names: GAOA, ARTSIC4J27_1011 EC: 1.1.3.9
UniProt
Find proteins for A0A024GZ97 (Pseudarthrobacter siccitolerans) Explore A0A024GZ97 Go to UniProtKB: A0A024GZ97
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A024GZ97
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
SER-HIS-SER-SER-GLY-ALA	B [auth Q]	6	Pseudarthrobacter siccitolerans	Mutation(s): 0
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PG4 (Subject of Investigation/LOI) Query on PG4 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]	TETRAETHYLENE GLYCOL C₈ H₁₈ O₅ UWHCKJMYHZGTIT-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]
GAL (Subject of Investigation/LOI) Query on GAL 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]	beta-D-galactopyranose C₆ H₁₂ O₆ WQZGKKKJIJFFOK-FPRJBGLDSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
SO4 (Subject of Investigation/LOI) Query on SO4 Download Ideal Coordinates CCD File SDF format, chain H [auth A] MOL2 format, chain H [auth A] mmCIF format, chain H [auth A]	H [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain H [auth A] Interactions & Density Focus chain H [auth A]
PO4 (Subject of Investigation/LOI) Query on PO4 Download Ideal Coordinates CCD File SDF format, chain F [auth A] MOL2 format, chain F [auth A] mmCIF format, chain F [auth A]	F [auth A]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain F [auth A] Interactions & Density Focus chain F [auth A]
GOL (Subject of Investigation/LOI) Query on GOL Download Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A] mmCIF format, chain E [auth A]	E [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]
CA (Subject of Investigation/LOI) Query on CA Download Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A] mmCIF format, chain G [auth A]	G [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain G [auth A] Interactions & Density Focus chain G [auth A]