7Q1K | pdb_00007q1k

Crystal structure of the native AA9A LPMO from Thermoascus aurantiacus

• PDB DOI: https://doi.org/10.2210/pdb7Q1K/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Thermoascus aurantiacus
• Mutation(s): No 


• Deposited: 2021-10-20 Released: 2022-08-31 
• Deposition Author(s): Yu, W., Mohsin, I., Li, D.C., Papageorgiou, A.C.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.36 Å
• R-Value Free: 
  0.185 (Depositor), 0.188 (DCC) 
• R-Value Work: 
  0.150 (Depositor), 0.151 (DCC) 
• R-Value Observed: 
  0.152 (Depositor) 

Starting Model: experimental

Literature

Purification and Structural Characterization of the Auxiliary Activity 9 Native Lytic Polysaccharide Monooxygenase from Thermoascus aurantiacus and Identification of Its C1- and C4-Oxidized Reaction Products

Yu, W., Mohsin, I., Papageorgiou, A.C., Li, D.

(2022) Catalysts 12

• DOI: https://doi.org/10.3390/catal12020139

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 25.11 kDa 
• Atom Count: 2,110 
• Modeled Residue Count: 227 
• Deposited Residue Count: 228 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gh61 isozyme a	A	228	Thermoascus aurantiacus	Mutation(s): 0  EC: 3.2.1.4 (PDB Primary Data), 1.14.99.56 (UniProt)
UniProt
Find proteins for G3XAP7 (Thermoascus aurantiacus) Explore G3XAP7  Go to UniProtKB:  G3XAP7
Glycosylation
Glycosylation Sites: 1

Oligosaccharides

Help  

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	2		N-Glycosylation
Glycosylation Resources
GlyTouCan: G42666HT GlyCosmos: G42666HT GlyGen: G42666HT

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth A], E [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CU (Subject of Investigation/LOI)	D [auth A]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N
NA	F [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
HIC	A	L-PEPTIDE LINKING	C7 H11 N3 O2		HIS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.36 Å
• R-Value Free:  0.185 (Depositor), 0.188 (DCC) 
• R-Value Work:  0.150 (Depositor), 0.151 (DCC) 
• R-Value Observed: 0.152 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.69	α = 90
b = 64.191	β = 90
c = 88.533	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
EDNA	data collection
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2022-08-31 
Deposition Author(s): Yu, W., Mohsin, I., Li, D.C., Papageorgiou, A.C.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31571949

Revision History  

• Version 1.0: 2022-08-31
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description