2ABM
Crystal Structure of Aquaporin Z Tetramer Reveals both Open and Closed Water-conducting Channels
- PDB DOI: https://doi.org/10.2210/pdb2ABM/pdb
- Classification: MEMBRANE PROTEIN
- Organism(s): Escherichia coli
- Expression System: Escherichia coli BL21
- Mutation(s): No 
- Membrane Protein: Yes  PDBTMMemProtMDmpstruc
- Deposited: 2005-07-15 Released: 2005-09-20 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 3.20 Å
- R-Value Free: 0.242 
- R-Value Work: 0.186 
- R-Value Observed: 0.186 
This is version 2.0 of the entry. See complete history. 
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
Aquaporin Z | 231 | Escherichia coli | Mutation(s): 0  Gene Names: aqpZ, bniP Membrane Entity: Yes  | ||
UniProt | |||||
Find proteins for P60844 (Escherichia coli (strain K12)) Explore P60844  Go to UniProtKB:  P60844 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P60844 | ||||
Sequence AnnotationsExpand | |||||
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Small Molecules
Ligands 6 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
PEE Query on PEE | K [auth A] O [auth B] P [auth B] U [auth E] W [auth F] | 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine C41 H78 N O8 P MWRBNPKJOOWZPW-NYVOMTAGSA-N | |||
POQ Query on POQ | J [auth A] | BIS(((3S,4S,5R,6R)-5-(ETHYL(PHOSPHORYLOXY))-3,4,6-TRIHYDROXY-TETRAHYDRO-2H-PYRAN-2-YL)METHYL) HYDROGEN PHOSPHATE C16 H33 O20 P3 QTCHWELPTUAUQX-ASCZGESISA-N | |||
AGA Query on AGA | BA [auth G], S [auth C] | (1S)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PENTANOYLOXY)METHYL]ETHYL OCTANOATE C19 H36 O10 P UQSXQYRZHMGKIE-DLBZAZTESA-M | |||
BGL Query on BGL | I [auth A], L [auth B], M [auth B], T [auth E] | 2-O-octyl-beta-D-glucopyranose C14 H28 O6 BVHPDIWLWHHJPD-RKQHYHRCSA-N | |||
3PG Query on 3PG | AA [auth G], R [auth C] | 3-PHOSPHOGLYCERIC ACID C3 H7 O7 P OSJPPGNTCRNQQC-UWTATZPHSA-N | |||
PO4 Query on PO4 | N [auth B], Q [auth C], V [auth F], Y [auth G] | PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 3.20 Å
- R-Value Free: 0.242 
- R-Value Work: 0.186 
- R-Value Observed: 0.186 
- Space Group: P 41 2 2
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 119.152 | α = 90 |
b = 119.152 | β = 90 |
c = 380.394 | γ = 90 |
Software Name | Purpose |
---|---|
CNS | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
CNS | phasing |
Entry History 
Deposition Data
- Released Date: 2005-09-20  Deposition Author(s): Jiang, J., Daniels, B.V., Fu, D.
Revision History (Full details and data files)
- Version 1.0: 2005-09-20
Type: Initial release - Version 1.1: 2008-04-30
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Version format compliance - Version 1.3: 2014-10-29
Changes: Non-polymer description - Version 1.4: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Advisory, Data collection, Derived calculations, Structure summary - Version 2.0: 2023-08-23
Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Refinement description, Structure summary