3ZOJ

High-resolution structure of Pichia Pastoris aquaporin Aqy1 at 0.88 A

• PDB DOI: https://doi.org/10.2210/pdb3ZOJ/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Komagataella pastoris
• Expression System: Komagataella pastoris
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMDmpstruc


• Deposited: 2013-02-21 Released: 2013-06-26 
• Deposition Author(s): Kosinska-Eriksson, U., Fischer, G., Friemann, R., Enkavi, G., Tajkhorshid, E., Neutze, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 0.88 Å
• R-Value Free: 0.107 
• R-Value Work: 0.103 
• R-Value Observed: 0.103 

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content

• Total Structure Weight: 30.92 kDa 
• Atom Count: 2,377 
• Modelled Residue Count: 263 
• Deposited Residue Count: 279 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AQUAPORIN	A	279	Komagataella pastoris	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for F2QVG4 (Komagataella phaffii (strain ATCC 76273 / CBS 7435 / CECT 11047 / NRRL Y-11430 / Wegner 21-1)) Explore F2QVG4  Go to UniProtKB:  F2QVG4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BOG	B [auth A], C [auth A], D [auth A]	octyl beta-D-glucopyranoside C14 H28 O6 HEGSGKPQLMEBJL-RKQHYHRCSA-N
CL	E [auth A], F [auth A], G [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 0.88 Å
• R-Value Free: 0.107 
• R-Value Work: 0.103 
• R-Value Observed: 0.103 
• Space Group: I 4

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 90.763	α = 90
b = 90.763	β = 90
c = 80.311	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-06-26 
Deposition Author(s): Kosinska-Eriksson, U., Fischer, G., Friemann, R., Enkavi, G., Tajkhorshid, E., Neutze, R.

Revision History  

• Version 1.0: 2013-06-26
  Type: Initial release
  
• Version 1.1: 2013-07-03
  Changes: Derived calculations
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Other, Structure summary
• Version 2.1: 2023-12-20
  Changes: Data collection, Database references, Refinement description, Structure summary