RIBA3

Probable monofunctional riboflavin biosynthesis protein RIBA 3, chloroplastic

536 amino acids

Involved in riboflavin biosynthesis. Catalyzes the conversion of GTP to 2,5-diamino-6-ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and pyrophosphate (By similarity).

In the C-terminal section; belongs to the GTP cyclohydrolase II family.

57.327 kDa

MDRVLLSSQLSSQTVVNTRVQQGSGGINSIGFAVIRKGSLKLRCYAIGGLGGGENLNDPLKESNNGPVLQGFNGSSASFRTVGAKITQETGDFFVSDAEGDPDKPTDGFSSIDEAIGALHEGKFVIAVDDESGDNEGDLVMAATLADPESIAFMIRNGSGIISVGMKEEDLTRLMIPMMSPIAEIEDISAAASTVTVDARVGISTGVSAADRAKTIFTLASPDSKPTDLRRPGHIFPLKYRNGGVLKRAGHTEASVDLVALAGLRPVSVLSTVINPVDGSMAGMPVLKQMALEHDIPIVSIADLIRYRRKREKLVELIAVSRLPTKWGLFRAYCYQSKLDGTEHIAVAKGDIGDGEDVLVRVHSECLTGDILGSARCDCGNQLDLAMQLIDKAGRGVLVYLRGHEGRGIGLGQKLRAYNLQDDGHDTVQANVELGLAVDSREYGIGAQILRDMGVRTMRLMTNNPAKFVGLKGYGLAVVGRVPVISPITKENQRYLETKRTKMGHVYGSDLPGNVPEEFLNPDDIAGDQDEDDTHN

RIBA3

Monofunctional riboflavin biosynthesis protein RIBA 3, chloroplastic

509 amino acids

Involved in riboflavin biosynthesis. Catalyzes the conversion of GTP to 2,5-diamino-6-ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and pyrophosphate. RIBA2 and RIBA3 together are not able to complement the loss of function of RIBA1.

In the C-terminal section; belongs to the GTP cyclohydrolase II family.

56.146 kDa

MMDSALYHPRIFFAHSFINGLYSSPRFANTCWRLVSRSSWEIKASENSDRNVFDENPVRKTDGSLFDSASFETVDAEITPETDDFFVSDAEGDPDCPTQGYSSIELALQALRKGKFVIVVDDETGDVEGNLIMAATLTSPKDIAFLIKNGSGIVSVGMKKENLERLSLTLMSPEMEDEDSSAPTFTITVDAKSGTSTGVSASDRAMTVLALSSLDAKPDDFRRPGHVFPLKYRDGGVLRRAGHTEASVDLMILAGLRPLSVLSAILDQEDGSMASLPYMKKLATEHDIPIVSLTDLIRYRRKRDKLVERITVSRLPTKWGLFQAYCYRSKLDGTENIALVKGNVGNGEDILVRVHSECLTGDIFGSARCDCGNQLDLAMELIEKEGRGVVVYLRGHEGRGIGLGHKLRAYNLQDEGHDTVQANVELGLSIDSREYGIGAQMLRDIGVRTMRLMTNNPAKFTGLKGYGLAVVGRVPVVTPITKENRRYMETKRKKMGHIYISDNNDQPLA