9R4R | pdb_00009r4r

Crystal structure of CtGH76 from Chaetomium thermophilum in complex with glucosamine

PDB DOI: https://doi.org/10.2210/pdb9R4R/pdb

Classification: HYDROLASE
Organism(s): Thermochaetoides thermophila DSM 1495
Expression System: Escherichia coli B
Mutation(s): No

Deposited: 2025-05-07 Released: 2025-07-16
Deposition Author(s): Po-Hsun, W., Essen, L.-O.
Funding Organization(s): German Research Foundation (DFG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.35 Å
R-Value Free:
0.225 (Depositor), 0.229 (DCC)
R-Value Work:
0.201 (Depositor), 0.205 (DCC)
R-Value Observed:
0.203 (Depositor)

Starting Model: experimental
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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

CtGH76, a Glycoside Hydrolase 76 from Chaetomium thermophilum, with Elongated Glycan-Binding Canyon

Ruppenthal, S.R., Po-Hsun, W., Watad, M., Rosner, C.J., Vogt, M.S., Friedrich, M., Voigt, A.L., Petz, A., Gnau, P., Essen, L.-O.

(2025) Int J Mol Sci 26

DOI: https://doi.org/10.3390/ijms26146589

Macromolecule Content

Total Structure Weight: 48.77 kDa
Atom Count: 2,975
Modeled Residue Count: 362
Deposited Residue Count: 439
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chains: A	A	439	Thermochaetoides thermophila DSM 1495	Mutation(s): 0 Gene Names: CTHT_0025410
UniProt
Find proteins for G0S5Y9 (Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719)) Explore G0S5Y9 Go to UniProtKB: G0S5Y9
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	G0S5Y9
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PA1 (Subject of Investigation/LOI) Query on PA1 Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	2-amino-2-deoxy-alpha-D-glucopyranose C₆ H₁₃ N O₅ MSWZFWKMSRAUBD-UKFBFLRUSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
GOL (Subject of Investigation/LOI) Query on GOL Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain G [auth A] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A]	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A]
FMT (Subject of Investigation/LOI) Query on FMT 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]	FORMIC ACID C H₂ O₂ BDAGIHXWWSANSR-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Interactions & Density Focus chain H [auth A]