SMTL ID : 2abm.2 (7 other biounits)

Crystal Structure of Aquaporin Z Tetramer Reveals both Open and Closed Water-conducting Channels

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

homo-tetramer

Ligands

1 x BGL: 2-O-octyl-beta-D-glucopyranose(Non-covalent)

BGL.1: 6 residues within 4Å: Chain A: Y.100, D.110, A.111, A.112, F.196, Q.197 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:Y.100, A:F.196 Hydrogen bonds: A:Y.100, A:A.111, A:A.112 Water bridges: A:Y.100, A:D.110

4 x PEE: 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine(Non-covalent)

PEE.2: 1 residues within 4Å: Chain A: I.195 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:I.195 PEE.4: 2 residues within 4Å: Chain B: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.5: 1 residues within 4Å: Chain B: W.206 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:W.206, B:W.206, B:W.206 PEE.7: 3 residues within 4Å: Chain A: I.222 Chain C: F.10, F.13 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain C Hydrophobic interactions: A:I.222, C:F.13

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.3: 4 residues within 4Å: Chain B: Q.197, G.199, W.200, E.203 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.197, B:W.200, B:W.200, B:E.203 PO4.6: 1 residues within 4Å: Chain C: D.110 No protein-ligand interaction detected (PLIP)

1 x 3PG: 3-PHOSPHOGLYCERIC ACID(Non-covalent)

3PG.8: 1 residues within 4Å: Chain C: L.205 2 PLIP interactions: 2 interactions with chain C Water bridges: C:L.202, C:W.206

1 x AGA: (1S)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PENTANOYLOXY)METHYL]ETHYL OCTANOATE(Non-covalent)

AGA.9: 3 residues within 4Å: Chain C: V.85, I.86, W.209 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:I.86

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jiang, J. et al., Crystal Structure of AqpZ Tetramer Reveals Two Distinct Arg-189 Conformations Associated with Water Permeation through the Narrowest Constriction of the Water-conducting Channel. J.Biol.Chem. (2006)

Release Date

2005-09-20

Peptides

Aquaporin Z: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

C
G

D
H

Membrane

We predict this structure to be a membrane protein.
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Aquaporin Z

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