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CRTISO2

Gene
CRTISO2
Protein
Prolycopene isomerase 2, chloroplastic
Organism
Oncidium hybrid cultivar
Length
587 amino acids
Function
Carotene cis-trans-isomerase that converts 7,9,9'-tri-cis-neurosporene to 9'-cis-neurosporene and 7,9,9',7'-tetra-cis-lycopene (also known as prolycopene) into all-trans-lycopene. Isomerization requires redox-active components, suggesting that isomerization is achieved by a reversible redox reaction acting at specific double bonds. Isomerizes adjacent cis-double bonds at C7 and C9 pairwise into the trans-configuration, but is incapable of isomerizing single cis-double bonds at C9 and C9' (By similarity).
Similarity
Belongs to the carotenoid/retinoid oxidoreductase family. CrtISO subfamily.
Mass
64.873 kDa
Sequence
MLCLSLNSSSTSPPKLPLHHSFSRRGIRSWVRSPCVQRKKLGFWSSPKAVLSAVSGAGSEAGKVEEAEEYDAIVIGSGIGGLVAATQLAVKGARVLVLEKYVIPGGSSGFFQRDGFTFDVGSSVMFGFSDKGNLNLITQALEAVDCKLRTIPDPTTVHFHLPDNLSIRVHREYDMFISELVNYFPHEKEGIRRFYNECWKIFNSLNSLELKSLEEPMYLFGQFFRKPVECLTLAFYLPQNAGDIARKFIKDPQLLSFIDAECFIVSTVKALHTPMINASMVLCDRHFGGINYPVGGVGGIAKALANGLVNKGSKLLYKANVTKILLKDGKAVGVKLSNGREFFAKTVISNATRWDTFGKLLKVEDIPQEEKNFKKIYLKAPSFLSIHMGVKAFVLPPDTDCHHFILEDNWGRLELPYGSIFLSIPTVLDPSLAPEGHHIFHIFTTSSIENWEGLSHKEYEEKKELVADEIITRLEKKLFPGLKDSVVLKEVGTPKTHRRFLARDSGTYGPMPRKVPKGLLGMPFNTTAINGLYCVGDSCFPGQGVIAVAFSGVMCAHRVAADLGFEKKAPVLDAALLRLLGWLRTVA