SMTL ID : 4qid.1

Crystal structure of Haloquadratum walsbyi bacteriorhodopsin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.57 Å

Oligo State

homo-dimer

Ligands

2 x RET: RETINAL(Covalent)

RET.1: 17 residues within 4Å: Chain A: Y.91, W.94, T.97, T.98, L.101, M.126, G.130, W.146, S.149, T.150, M.153, W.190, Y.193, P.194, D.220, A.223, K.224 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:Y.91, A:W.94, A:W.94, A:T.98, A:M.153, A:W.190, A:Y.193, A:Y.193, A:Y.193, A:Y.193, A:P.194, A:A.223, A:K.224 RET.4: 17 residues within 4Å: Chain B: Y.91, W.94, T.97, T.98, L.101, M.126, G.130, W.146, S.149, T.150, M.153, W.190, Y.193, P.194, W.197, A.223, K.224 17 PLIP interactions: 17 interactions with chain B Hydrophobic interactions: B:Y.91, B:W.94, B:W.94, B:T.97, B:T.98, B:L.101, B:W.146, B:W.190, B:Y.193, B:Y.193, B:Y.193, B:Y.193, B:Y.193, B:P.194, B:W.197, B:A.223, B:K.224

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 2 residues within 4Å: Chain A: E.75, S.77 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.77 ACT.3: 1 residues within 4Å: Chain A: R.183 2 PLIP interactions: 2 interactions with chain A Water bridges: A:N.184 Salt bridges: A:R.183

1 x MPG: [(Z)-octadec-9-enyl] (2R)-2,3-bis(oxidanyl)propanoate(Non-covalent)

MPG.5: 9 residues within 4Å: Chain B: G.165, E.173, R.176, S.177, N.180, A.181, R.183, N.184, I.230 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:I.230 Hydrogen bonds: B:R.176, B:N.180, B:R.183 Water bridges: B:V.161, B:G.165

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wang, A.H.J. et al., An acid-tolerant light-driven proton pump. To be Published

Release Date

2015-07-29

Peptides

Bacteriorhodopsin-I: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
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Bacteriorhodopsin-I

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