Literature DB >> 14623103

Neuropsin (Opn5): a novel opsin identified in mammalian neural tissue.

Emma E Tarttelin1, James Bellingham, Mark W Hankins, Russell G Foster, Robert J Lucas.   

Abstract

We have cloned and characterised the expression of a new opsin gene, neuropsin (Opn5), in mice and humans. Neuropsin comprises seven exons on mouse chromosome 17. Its deduced protein sequence suggests a polypeptide of 377 amino acids in mice (354 in humans), with many structural features common to all opsins, including a lysine in the seventh transmembrane domain required to form a Schiff base link with retinaldehyde. Neuropsin shares 25-30% amino acid identity with all known opsins, making it the founding member of a new opsin family. It is expressed in the eye, brain, testis and spinal cord.

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Keywords:  Non-programmatic

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Year:  2003        PMID: 14623103     DOI: 10.1016/s0014-5793(03)01212-2

Source DB:  PubMed          Journal:  FEBS Lett        ISSN: 0014-5793            Impact factor:   4.124


  66 in total

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Review 4.  Evolution of opsins and phototransduction.

Authors:  Yoshinori Shichida; Take Matsuyama
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5.  Evolution of mammalian Opn5 as a specialized UV-absorbing pigment by a single amino acid mutation.

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Review 10.  The evolution of irradiance detection: melanopsin and the non-visual opsins.

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