ArticleProceedings of the National Academy of Sciences of the United States of America1995
The primary structure of sensory rhodopsin II: a member of an additional retinal protein subgroup is coexpressed with its transducer, the halobacterial transducer of rhodopsin II.
Article in Proceedings of the National Academy of Sciences of the United States of America, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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41 citing papers in PubMed, 118 citations in OpenAlex.
- Cryo-EM structure of the SRI-HtrI complex reveals the cytoplasmic coupling in an archaeal phototaxis system.Nature communications · 2026Article
- Molecular Biology of Microbial Rhodopsins.Methods in molecular biology (Clifton, N.J.) · 2022Review
- High-resolution structural insights into the heliorhodopsin family.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Taxis in archaea.Emerging topics in life sciences · 2018Article
- New Insights on Signal Propagation by Sensory Rhodopsin II/Transducer Complex.Scientific reports · 2017Article
- The protein interaction network of a taxis signal transduction system in a halophilic archaeon.BMC microbiology · 2012Article
- The signal transfer from the receptor NpSRII to the transducer NpHtrII is not hampered by the D75N mutation.Biophysical journal · 2011Article
- A microbial rhodopsin with a unique retinal composition shows both sensory rhodopsin II and bacteriorhodopsin-like properties.The Journal of biological chemistry · 2011Article
- Salinibacter sensory rhodopsin: sensory rhodopsin I-like protein from a eubacterium.The Journal of biological chemistry · 2008Article
- Laser-induced transient grating analysis of dynamics of interaction between sensory rhodopsin II D75N and the HtrII transducer.Biophysical journal · 2007Article
- Shape and oligomerization state of the cytoplasmic domain of the phototaxis transducer II from Natronobacterium pharaonis.Proceedings of the National Academy of Sciences of the United States of America · 2006Article
- Living with two extremes: conclusions from the genome sequence of Natronomonas pharaonis.Genome research · 2005Article
- Correlation of the O-intermediate rate with the pKa of Asp-75 in the dark, the counterion of the Schiff base of Pharaonis phoborhodopsin (sensory rhodopsin II).Biophysical journal · 2005Article
- Computational analysis of the transient movement of helices in sensory rhodopsin II.Protein science : a publication of the Protein Society · 2005Article
- Time-resolved detection of sensory rhodopsin II-transducer interaction.Biophysical journal · 2004Article
- Article
- Role of Arg-72 of pharaonis Phoborhodopsin (sensory rhodopsin II) on its photochemistry.Biophysical journal · 2004Article
- Electric-field dependent decays of two spectroscopically different M-states of photosensory rhodopsin II from Natronobacterium pharaonis.Biophysical journal · 2003Article
- Role of Asp193 in chromophore-protein interaction of pharaonis phoborhodopsin (sensory rhodopsin II).Biophysical journal · 2002Article
- Patterns of sequence conservation in the S-Layer proteins and related sequences in Clostridium difficile.Journal of bacteriology · 2002Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The blue-light receptor genes (sopII) of sensory rhodopsin (SR) II were cloned from two species, the halophilic bacteria Haloarcula vallismortis (vSR-II) and Natronobacterium pharaonis (pSR-II). Upstream of both sopII gene loci, sequences corresponding to the halobacterial transducer of rhodopsin (Htr) II were recognized. In N. pharaonis, psopII and phtrII are transcribed as a single transcript. Comparison of the amino acid sequences of vHtr-II and pHtr-II with Htr-I and the chemotactic methyl-accepting proteins from Escherichia coli revealed considerable identities in the signal domain and methyl-accepting sites. Similarities with Htr-I in Halobacterium salinarium suggest a common principle in the phototaxis of extreme halophiles. Alignment of all known retinal protein sequences from Archaea identifies both SR-IIs as an additional subgroup of the family. Positions defining the retinal binding site are usually identical with the exception of Met-118 (numbering is according to the bacteriorhodopsin sequence), which might explain the typical blue color shift of SR-II to approximately 490 nm. In archaeal retinal proteins, the function can be deduced from amino acids in positions 85 and 96. Proton pumps are characterized by Asp-85 and Asp-96; chloride pumps by Thr-85 and Ala-96; and sensors by Asp-85 and Tyr-96 or Phe-96.
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