Protein
7-carboxy-7-deazaguanine synthase
Organism
Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H)
Function
Catalyzes the complex heterocyclic radical-mediated conversion of 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) to 7-carboxy-7-deazaguanine (CDG), a step common to the biosynthetic pathways of all 7-deazapurine-containing compounds.
Similarity
Belongs to the radical SAM superfamily. 7-carboxy-7-deazaguanine synthase family.
Sequence
MILMRAPIVEVFSSIQGEGLLVGRRQIFVRFAGCNLNCSYCDTPESRDPSAGRLFTAPELTEIIEGLITPDFHSISITGGEPLLYPDFITELLEESPHRTLLETNGSLPSNAERIAHLFDYASVDIKIAEHFSDNLRSGTTESDISSPGDLIDREIQVINILISRGVNTYCKVVVMPTTGAGYIGALAERLLECVDEPERLPLVIQPCSPPEQWAQNTPRLLEMSQEAGKYMDVYVIPQMHRALGLR