SMTL ID : 2abm.3 (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-16-mer

Ligands

8 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 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:A.112, A:F.196 Water bridges: A:D.110, A:A.111 BGL.4: 3 residues within 4Å: Chain B: M.131, W.206 Ligands: PEE.8 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:W.206 Water bridges: B:Y.121, B:Y.121 BGL.5: 2 residues within 4Å: Chain B: A.72, I.217 No protein-ligand interaction detected (PLIP) BGL.12: 6 residues within 4Å: Chain E: Y.100, D.110, A.111, A.112, F.196, Q.197 5 PLIP interactions: 5 interactions with chain E Hydrogen bonds: E:Y.100, E:A.112, E:F.196 Water bridges: E:A.111, E:A.111 BGL.15: 3 residues within 4Å: Chain F: M.131, W.206 Ligands: PEE.19 3 PLIP interactions: 3 interactions with chain F Hydrophobic interactions: F:W.206 Water bridges: F:Y.121, F:Y.121 BGL.16: 2 residues within 4Å: Chain F: A.72, I.217 No protein-ligand interaction detected (PLIP) BGL.23: 6 residues within 4Å: Chain I: Y.100, D.110, A.111, A.112, F.196, Q.197 7 PLIP interactions: 7 interactions with chain I Hydrophobic interactions: I:Y.100, I:F.196 Hydrogen bonds: I:Y.100, I:A.111, I:A.112 Water bridges: I:Y.100, I:D.110 BGL.32: 6 residues within 4Å: Chain M: Y.100, D.110, A.111, A.112, F.196, Q.197 7 PLIP interactions: 7 interactions with chain M Hydrophobic interactions: M:Y.100, M:F.196 Hydrogen bonds: M:D.110, M:A.111, M:A.112 Water bridges: M:Y.100, M:D.110

2 x POQ: BIS(((3S,4S,5R,6R)-5-(ETHYL(PHOSPHORYLOXY))-3,4,6-TRIHYDROXY-TETRAHYDRO-2H-PYRAN-2-YL)METHYL) HYDROGEN PHOSPHATE(Non-covalent)

POQ.2: 4 residues within 4Å: Chain A: F.10, F.13, L.98, L.101 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.10, A:L.101 POQ.13: 4 residues within 4Å: Chain E: F.10, F.13, L.98, L.101 2 PLIP interactions: 2 interactions with chain E Hydrophobic interactions: E:F.10, E:L.101

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

PEE.3: 6 residues within 4Å: Chain A: G.144, L.147, I.222 Chain C: F.10, F.13, W.14 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain C Hydrophobic interactions: A:L.147, A:I.222, C:F.10, C:F.13, C:W.14 PEE.7: 2 residues within 4Å: Chain B: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.8: 2 residues within 4Å: Chain B: W.206 Ligands: BGL.4 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:W.206, B:W.206, B:W.206 PEE.14: 6 residues within 4Å: Chain E: G.144, L.147, I.222 Chain G: F.10, F.13, W.14 5 PLIP interactions: 3 interactions with chain G, 2 interactions with chain E Hydrophobic interactions: G:F.10, G:F.13, G:W.14, E:L.147, E:I.222 PEE.18: 2 residues within 4Å: Chain F: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.19: 2 residues within 4Å: Chain F: W.206 Ligands: BGL.15 3 PLIP interactions: 3 interactions with chain F Hydrophobic interactions: F:W.206, F:W.206, F:W.206 PEE.24: 1 residues within 4Å: Chain I: I.195 1 PLIP interactions: 1 interactions with chain I Hydrophobic interactions: I:I.195 PEE.26: 2 residues within 4Å: Chain J: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.27: 1 residues within 4Å: Chain J: W.206 3 PLIP interactions: 3 interactions with chain J Hydrophobic interactions: J:W.206, J:W.206, J:W.206 PEE.29: 3 residues within 4Å: Chain I: I.222 Chain K: F.10, F.13 2 PLIP interactions: 1 interactions with chain I, 1 interactions with chain K Hydrophobic interactions: I:I.222, K:F.13 PEE.33: 1 residues within 4Å: Chain M: I.195 1 PLIP interactions: 1 interactions with chain M Hydrophobic interactions: M:I.195 PEE.35: 2 residues within 4Å: Chain N: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.36: 1 residues within 4Å: Chain N: W.206 3 PLIP interactions: 3 interactions with chain N Hydrophobic interactions: N:W.206, N:W.206, N:W.206 PEE.38: 3 residues within 4Å: Chain M: I.222 Chain O: F.10, F.13 2 PLIP interactions: 1 interactions with chain O, 1 interactions with chain M Hydrophobic interactions: O:F.13, M:I.222

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

PO4.6: 4 residues within 4Å: Chain B: Q.197, G.199, W.200, E.203 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Q.197, B:W.200, B:W.200 PO4.9: 2 residues within 4Å: Chain C: D.110 Chain H: D.110 1 PLIP interactions: 1 interactions with chain C Water bridges: C:A.112 PO4.17: 4 residues within 4Å: Chain F: Q.197, G.199, W.200, E.203 4 PLIP interactions: 4 interactions with chain F Hydrogen bonds: F:Q.197, F:W.200, F:W.200, F:E.203 PO4.20: 2 residues within 4Å: Chain D: D.110 Chain G: D.110 1 PLIP interactions: 1 interactions with chain G Water bridges: G:A.112 PO4.25: 4 residues within 4Å: Chain J: Q.197, G.199, W.200, E.203 4 PLIP interactions: 4 interactions with chain J Hydrogen bonds: J:Q.197, J:W.200, J:W.200, J:E.203 PO4.28: 1 residues within 4Å: Chain K: D.110 No protein-ligand interaction detected (PLIP) PO4.34: 4 residues within 4Å: Chain N: Q.197, G.199, W.200, E.203 3 PLIP interactions: 3 interactions with chain N Hydrogen bonds: N:Q.197, N:W.200, N:W.200 PO4.37: 1 residues within 4Å: Chain O: D.110 1 PLIP interactions: 1 interactions with chain O Water bridges: O:D.110

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

3PG.10: 2 residues within 4Å: Chain C: L.205 Ligands: AGA.11 1 PLIP interactions: 1 interactions with chain C Water bridges: C:L.202 3PG.21: 2 residues within 4Å: Chain G: L.205 Ligands: AGA.22 1 PLIP interactions: 1 interactions with chain G Water bridges: G:L.202 3PG.30: 1 residues within 4Å: Chain K: L.205 2 PLIP interactions: 2 interactions with chain K Water bridges: K:L.202, K:W.206 3PG.39: 1 residues within 4Å: Chain O: L.205 2 PLIP interactions: 2 interactions with chain O Water bridges: O:L.202, O:W.206

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

AGA.11: 2 residues within 4Å: Chain C: W.209 Ligands: 3PG.10 No protein-ligand interaction detected (PLIP) AGA.22: 2 residues within 4Å: Chain G: W.209 Ligands: 3PG.21 No protein-ligand interaction detected (PLIP) AGA.31: 3 residues within 4Å: Chain K: V.85, I.86, W.209 1 PLIP interactions: 1 interactions with chain K Hydrophobic interactions: K:I.86 AGA.40: 3 residues within 4Å: Chain O: V.85, I.86, W.209 1 PLIP interactions: 1 interactions with chain O Hydrophobic interactions: O: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: ABCDEFGHIJKLMNOP

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
A

F
B

G
C

H
D

I
E

J
F

K
G

L
H

M
E

N
F

O
G

P
H

Membrane

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

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