SMTL ID : 2abm.5 (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: 9 residues within 4Å: Chain A: Y.100, D.110, A.111, A.112, F.196, Q.197 Chain E: L.5, G.83, I.86 5 PLIP interactions: 1 interactions with chain E, 4 interactions with chain A Hydrophobic interactions: E:I.86 Hydrogen bonds: A:A.112, A:F.196 Water bridges: A:D.110, A:A.111 BGL.4: 6 residues within 4Å: Chain B: M.131, W.206 Chain F: W.71, A.72, I.217 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: 6 residues within 4Å: Chain B: A.72, I.217 Chain F: M.131, W.206, V.211 Ligands: PEE.16 2 PLIP interactions: 2 interactions with chain F Hydrophobic interactions: F:W.206, F:V.211 BGL.12: 9 residues within 4Å: Chain A: L.5, G.83, I.86 Chain E: Y.100, D.110, A.111, A.112, F.196, Q.197 8 PLIP interactions: 7 interactions with chain E, 1 interactions with chain A Hydrophobic interactions: E:Y.100, E:F.196, A:I.86 Hydrogen bonds: E:Y.100, E:A.111, E:A.112 Water bridges: E:Y.100, E:D.110 BGL.21: 9 residues within 4Å: Chain I: Y.100, D.110, A.111, A.112, F.196, Q.197 Chain M: L.5, G.83, I.86 6 PLIP interactions: 1 interactions with chain M, 5 interactions with chain I Hydrophobic interactions: M:I.86 Hydrogen bonds: I:Y.100, I:A.112, I:F.196 Water bridges: I:A.111, I:A.111 BGL.24: 6 residues within 4Å: Chain J: M.131, W.206 Chain N: W.71, A.72, I.217 Ligands: PEE.28 3 PLIP interactions: 3 interactions with chain J Hydrophobic interactions: J:W.206 Water bridges: J:Y.121, J:Y.121 BGL.25: 6 residues within 4Å: Chain J: A.72, I.217 Chain N: M.131, W.206, V.211 Ligands: PEE.36 4 PLIP interactions: 4 interactions with chain N Hydrophobic interactions: N:W.206, N:V.211 Water bridges: N:Y.121, N:Y.121 BGL.32: 9 residues within 4Å: Chain I: L.5, G.83, I.86 Chain M: Y.100, D.110, A.111, A.112, F.196, Q.197 8 PLIP interactions: 7 interactions with chain M, 1 interactions with chain I Hydrophobic interactions: M:Y.100, M:F.196, I:I.86 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: 8 residues within 4Å: Chain A: F.10, F.13, L.98, L.101 Chain E: F.10, F.13, L.98, L.101 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain E Hydrophobic interactions: A:F.10, A:L.101, E:L.101 POQ.22: 8 residues within 4Å: Chain I: F.10, F.13, L.98, L.101 Chain M: F.10, F.13, L.98, L.101 3 PLIP interactions: 1 interactions with chain M, 2 interactions with chain I Hydrophobic interactions: M:L.101, I:F.10, I: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: 3 interactions with chain C, 2 interactions with chain A Hydrophobic interactions: C:F.10, C:F.13, C:W.14, A:L.147, A:I.222 PEE.7: 2 residues within 4Å: Chain B: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.8: 3 residues within 4Å: Chain B: W.206 Chain F: W.71 Ligands: BGL.4 4 PLIP interactions: 1 interactions with chain F, 3 interactions with chain B Hydrophobic interactions: F:W.71, B:W.206, B:W.206, B:W.206 PEE.13: 2 residues within 4Å: Chain A: I.195 Chain E: I.195 2 PLIP interactions: 1 interactions with chain E, 1 interactions with chain A Hydrophobic interactions: E:I.195, A:I.195 PEE.15: 2 residues within 4Å: Chain F: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.16: 3 residues within 4Å: Chain B: W.71 Chain F: W.206 Ligands: BGL.5 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain F Hydrophobic interactions: B:W.71, F:W.206, F:W.206, F:W.206 PEE.18: 3 residues within 4Å: Chain E: I.222 Chain G: F.10, F.13 2 PLIP interactions: 1 interactions with chain G, 1 interactions with chain E Hydrophobic interactions: G:F.13, E:I.222 PEE.23: 6 residues within 4Å: Chain I: G.144, L.147, I.222 Chain K: F.10, F.13, W.14 5 PLIP interactions: 2 interactions with chain I, 3 interactions with chain K Hydrophobic interactions: I:L.147, I:I.222, K:F.10, K:F.13, K:W.14 PEE.27: 2 residues within 4Å: Chain J: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.28: 3 residues within 4Å: Chain J: W.206 Chain N: W.71 Ligands: BGL.24 4 PLIP interactions: 1 interactions with chain N, 3 interactions with chain J Hydrophobic interactions: N:W.71, J:W.206, J:W.206, J:W.206 PEE.33: 2 residues within 4Å: Chain I: I.195 Chain M: I.195 2 PLIP interactions: 1 interactions with chain I, 1 interactions with chain M Hydrophobic interactions: I:I.195, M:I.195 PEE.35: 2 residues within 4Å: Chain N: A.37, G.38 No protein-ligand interaction detected (PLIP) PEE.36: 3 residues within 4Å: Chain J: W.71 Chain N: W.206 Ligands: BGL.25 4 PLIP interactions: 1 interactions with chain J, 3 interactions with chain N Hydrophobic interactions: J:W.71, 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 M, 1 interactions with chain O Hydrophobic interactions: M:I.222, O:F.13

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: 1 residues within 4Å: Chain C: D.110 1 PLIP interactions: 1 interactions with chain C Water bridges: C:A.112 PO4.14: 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 PO4.17: 1 residues within 4Å: Chain G: D.110 No protein-ligand interaction detected (PLIP) PO4.26: 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 PO4.29: 1 residues within 4Å: Chain K: D.110 1 PLIP interactions: 1 interactions with chain K Water bridges: K:A.112 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.19: 1 residues within 4Å: Chain G: L.205 2 PLIP interactions: 2 interactions with chain G Water bridges: G:L.202, G:W.206 3PG.30: 2 residues within 4Å: Chain K: L.205 Ligands: AGA.31 1 PLIP interactions: 1 interactions with chain K Water bridges: K:L.202 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.20: 3 residues within 4Å: Chain G: V.85, I.86, W.209 1 PLIP interactions: 1 interactions with chain G Hydrophobic interactions: G:I.86 AGA.31: 2 residues within 4Å: Chain K: W.209 Ligands: 3PG.30 No protein-ligand interaction detected (PLIP) 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
E

F
F

G
G

H
H

I
A

J
B

K
C

L
D

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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