3Q31 | pdb_00003q31

Structure of fungal alpha Carbonic Anhydrase from Aspergillus oryzae

• PDB DOI: https://doi.org/10.2210/pdb3Q31/pdb

• Classification: LYASE
• Organism(s): Aspergillus oryzae
• Expression System: Aspergillus oryzae
• Mutation(s): No 


• Deposited: 2010-12-21 Released: 2011-03-09 
• Deposition Author(s): Cuesta-Seijo, J.A., Borchert, M.S., Navarro-Poulsen, J.C., Schnorr, K.M., Leggio, L.L.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.253 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.209 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.211 (Depositor) 

Starting Model: experimental

Literature

Structure of fungal alpha Carbonic Anhydrase from Aspergillus oryzae

Cuesta-Seijo, J.A., Borchert, M.S., Navarro-Poulsen, J.C., Schnorr, K.M., Leggio, L.L.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content 

• Total Structure Weight: 53.77 kDa 
• Atom Count: 3,857 
• Modeled Residue Count: 472 
• Deposited Residue Count: 488 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase	A, B	244	Aspergillus oryzae	Mutation(s): 0  Gene Names: AO090010000582 EC: 4.2.1.1
UniProt
Find proteins for Q2TWF5 (Aspergillus oryzae (strain ATCC 42149 / RIB 40)) Explore Q2TWF5  Go to UniProtKB:  Q2TWF5
Glycosylation
Glycosylation Sites: 1

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	D [auth A], G [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
MLT	E [auth A], H [auth B]	D-MALATE C4 H6 O5 BJEPYKJPYRNKOW-UWTATZPHSA-N
ZN	C [auth A], F [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.253 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.209 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.211 (Depositor) 

Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.24	α = 90
b = 80.24	β = 90
c = 247.48	γ = 90

Software Package:

Software Name	Purpose
MOLREP	phasing
PHENIX	refinement
XDS	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-03-09 
Deposition Author(s): Cuesta-Seijo, J.A., Borchert, M.S., Navarro-Poulsen, J.C., Schnorr, K.M., Leggio, L.L.

Revision History  

• Version 1.0: 2011-03-09
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2018-05-23
  Changes: Data collection
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Data collection, Derived calculations, Structure summary
• Version 1.4: 2023-11-01
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 1.5: 2024-11-20
  Changes: Structure summary