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- Orange_carotenoid_N-terminal_domain abstract "In molecular biology the orange carotenoid N-terminal domain is a protein domain found predominantly at the N-terminus of the Orange carotenoid protein (OCP), and is involved in non-covalent binding of a carotenoid chromophore. It is unique for being present in soluble proteins, whereas the vast majority of domains capable of binding carotenoids are intrinsic membrane proteins. Thus far, it has exclusively been found in cyanobacteria, among which it is widespread. The domain also exists on its own, in uncharacterized cyanobacterial proteins referred to as "Red Carotenoid Protein" (RCP). The domain adopts an alpha-helical structure consisting of two four-helix bundles.Orange carotenoid-binding proteins (OCP) were first identified in cyanobacterial species, where they occur associated with phycobilisome in the cellular thylakoid membrane. These proteins function in photoprotection, and are essential for non-photochemical quenching (NPQ). In full-length OCP, the NPQ activity is regulated by photoactivation by strong blue-green light. OCP seems to act as a homodimer, and binds one molecule of 3'-hydroxyechinenone (a ketocarotenoid) and one chloride ion per subunit. The carotenoid binding site is lined with a striking number of methionine residues. The N-terminal domain of OCP is usually accompanied by a C-terminal domain which belongs to the NTF2 superfamily and helps bind the carotenoid. OCP can be proteolytically cleaved into a red form (RCP), which lacks 15 residues from the N-terminus and approximately 150 residues from the C terminus. This domain is implicated in binding the phycobilisome complex, which thereby facilitates thermal dissipation (quenching) of excess absorbed light energy.".
- Orange_carotenoid_N-terminal_domain symbol "Carot_N".
- Orange_carotenoid_N-terminal_domain thumbnail PDB_1m98_EBI.jpg?width=300.
- Orange_carotenoid_N-terminal_domain wikiPageID "32190524".
- Orange_carotenoid_N-terminal_domain wikiPageLength "5132".
- Orange_carotenoid_N-terminal_domain wikiPageOutDegree "32".
- Orange_carotenoid_N-terminal_domain wikiPageRevisionID "674581794".
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink 3-Hydroxyechinenone.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink 3-hydroxyechinenone.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Alpha_helix.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Binding_site.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Biomolecular_structure.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Carotenoid.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Carotenoprotein.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Category:Protein_domains.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Chloride.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Cyanobacteria.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Cyanobacterial.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Fluorescence_recovery_protein.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Ion.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Ketocarotenoid.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Methionine.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Molecular_binding.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Molecule.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink N-terminus.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink NTF2_fold.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink NTF2_superfamily.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink NUTF2.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Non-photochemical_quenching.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Orange_Carotenoid_Protein.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Orange_carotenoid_protein.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Photoprotection.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Phycobilisome.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Protein.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Protein_domain.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Residue_(chemistry).
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Secondary_structure.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Thylakoid.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLink Thylakoid_membrane.
- Orange_carotenoid_N-terminal_domain wikiPageWikiLinkText ""Carot_N"".
- Orange_carotenoid_N-terminal_domain wikiPageWikiLinkText "Orange carotenoid N-terminal domain".
- Orange_carotenoid_N-terminal_domain wikiPageWikiLinkText "Orange domain".
- Orange_carotenoid_N-terminal_domain caption "crystal structure of orange carotenoid protein".
- Orange_carotenoid_N-terminal_domain hasPhotoCollection Orange_carotenoid_N-terminal_domain.
- Orange_carotenoid_N-terminal_domain interpro "IPR015233".
- Orange_carotenoid_N-terminal_domain name "Carot_N".
- Orange_carotenoid_N-terminal_domain pfam "PF09150".
- Orange_carotenoid_N-terminal_domain scop "158.0".
- Orange_carotenoid_N-terminal_domain symbol "Carot_N".
- Orange_carotenoid_N-terminal_domain wikiPageUsesTemplate Template:Infobox_protein_family.
- Orange_carotenoid_N-terminal_domain wikiPageUsesTemplate Template:InterPro_content.
- Orange_carotenoid_N-terminal_domain wikiPageUsesTemplate Template:Reflist.
- Orange_carotenoid_N-terminal_domain subject Category:Protein_domains.
- Orange_carotenoid_N-terminal_domain hypernym Domain.
- Orange_carotenoid_N-terminal_domain type Biomolecule.
- Orange_carotenoid_N-terminal_domain type Protein.
- Orange_carotenoid_N-terminal_domain type Chemical.
- Orange_carotenoid_N-terminal_domain type Domain.
- Orange_carotenoid_N-terminal_domain type Thing.
- Orange_carotenoid_N-terminal_domain type Q206229.
- Orange_carotenoid_N-terminal_domain type Q8054.
- Orange_carotenoid_N-terminal_domain comment "In molecular biology the orange carotenoid N-terminal domain is a protein domain found predominantly at the N-terminus of the Orange carotenoid protein (OCP), and is involved in non-covalent binding of a carotenoid chromophore. It is unique for being present in soluble proteins, whereas the vast majority of domains capable of binding carotenoids are intrinsic membrane proteins. Thus far, it has exclusively been found in cyanobacteria, among which it is widespread.".
- Orange_carotenoid_N-terminal_domain label "Orange carotenoid N-terminal domain".
- Orange_carotenoid_N-terminal_domain sameAs m.0gy0vd3.
- Orange_carotenoid_N-terminal_domain sameAs Q7099768.
- Orange_carotenoid_N-terminal_domain sameAs Q7099768.
- Orange_carotenoid_N-terminal_domain wasDerivedFrom Orange_carotenoid_N-terminal_domain?oldid=674581794.
- Orange_carotenoid_N-terminal_domain depiction PDB_1m98_EBI.jpg.
- Orange_carotenoid_N-terminal_domain isPrimaryTopicOf Orange_carotenoid_N-terminal_domain.