4QI6

Cellobiose dehydrogenase from Myriococcum thermophilum, MtCDH

• PDB DOI: https://doi.org/10.2210/pdb4QI6/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Thermothelomyces myriococcoides
• Expression System: Komagataella pastoris
• Mutation(s): No 


• Deposited: 2014-05-30 Released: 2015-07-15 
• Deposition Author(s): Tan, T.C., Gandini, R., Sygmund, C., Kittl, R., Haltrich, D., Ludwig, R., Hallberg, B.M., Divne, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.20 Å
• R-Value Free: 0.273 
• R-Value Work: 0.215 
• R-Value Observed: 0.221 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 89.86 kDa 
• Atom Count: 6,262 
• Modelled Residue Count: 800 
• Deposited Residue Count: 807 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cellobiose dehydrogenase	A	807	Thermothelomyces myriococcoides	Mutation(s): 0  Gene Names: CDH
UniProt
Find proteins for A9XK88 (Thermothelomyces myriococcoides) Explore A9XK88  Go to UniProtKB:  A9XK88

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD	C [auth A]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N
HEM	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
NAG	D [auth A], E [auth A], F [auth A], G [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
MAN	H [auth A], I [auth A], J [auth A], K [auth A], L [auth A]	alpha-D-mannopyranose C6 H12 O6 WQZGKKKJIJFFOK-PQMKYFCFSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
PCA	A	L-PEPTIDE LINKING	C5 H7 N O3		GLN

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.20 Å
• R-Value Free: 0.273 
• R-Value Work: 0.215 
• R-Value Observed: 0.221 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 156.151	α = 90
b = 156.151	β = 90
c = 85.337	γ = 90

Software Package:

Software Name	Purpose
GDA	data collection
PHASER	phasing
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-07-15 
Deposition Author(s): Tan, T.C., Gandini, R., Sygmund, C., Kittl, R., Haltrich, D., Ludwig, R., Hallberg, B.M., Divne, C.

Revision History  

• Version 1.0: 2015-07-15
  Type: Initial release
  
• Version 1.1: 2018-02-21
  Changes: Database references, Structure summary
• Version 1.2: 2018-03-07
  Changes: Database references
• Version 2.0: 2019-12-25
  Changes: Derived calculations, Polymer sequence
• Version 2.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 2.2: 2024-04-03
  Changes: Data collection, Database references, Refinement description, Structure summary