SMTL ID : 7u55.1

Crystal structure of Thermoplasmatales archaeon heliorhodopsin at pH 4.5

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.97 Å

Oligo State

homo-dimer

Ligands

2 x RET: RETINAL(Covalent)

RET.1: 18 residues within 4Å: Chain A: W.112, Y.115, S.118, A.119, M.122, M.148, N.149, G.152, Y.170, G.173, C.174, F.209, F.212, A.213, M.216, S.240, K.244 Ligands: D12.4 17 PLIP interactions: 17 interactions with chain A Hydrophobic interactions: A:W.112, A:W.112, A:Y.115, A:Y.115, A:A.119, A:Y.170, A:Y.170, A:F.209, A:F.209, A:F.212, A:F.212, A:F.212, A:F.212, A:F.212, A:A.213, A:M.216, A:K.244 RET.5: 18 residues within 4Å: Chain B: W.112, Y.115, S.118, A.119, M.122, M.148, N.149, G.152, Y.170, G.173, C.174, F.209, F.212, A.213, M.216, S.240, K.244 Ligands: D12.8 17 PLIP interactions: 17 interactions with chain B Hydrophobic interactions: B:W.112, B:W.112, B:Y.115, B:Y.115, B:A.119, B:Y.170, B:Y.170, B:F.209, B:F.209, B:F.212, B:F.212, B:F.212, B:F.212, B:F.212, B:A.213, B:M.216, B:K.244

4 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 6 residues within 4Å: Chain A: H.88, R.111, Y.115, Y.236, I.237, S.240 Ligand excluded by PLIP CL.3: 3 residues within 4Å: Chain A: D.196, F.197 Chain B: N.59 Ligand excluded by PLIP CL.6: 6 residues within 4Å: Chain B: H.88, R.111, Y.115, Y.236, I.237, S.240 Ligand excluded by PLIP CL.7: 3 residues within 4Å: Chain A: N.59 Chain B: D.196, F.197 Ligand excluded by PLIP

2 x D12: DODECANE(Non-covalent)

D12.4: 9 residues within 4Å: Chain A: C.174, G.177, F.178, W.181, F.202, A.206, F.209, N.210 Ligands: RET.1 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.178, A:F.178, A:W.181, A:W.181, A:F.202, A:F.209 D12.8: 9 residues within 4Å: Chain B: C.174, G.177, F.178, W.181, F.202, A.206, F.209, N.210 Ligands: RET.5 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:F.178, B:F.178, B:W.181, B:W.181, B:F.202, B:F.209

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Besaw, J.E. et al., Low pH structure of heliorhodopsin reveals chloride binding site and intramolecular signaling pathway. Sci Rep (2022)

Release Date

2022-09-07

Peptides

Heliorhodopsin: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Membrane

We predict this structure to be a membrane protein.
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Heliorhodopsin

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