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. Author manuscript; available in PMC: 2014 Apr 16.
Published in final edited form as: Chembiochem. 2008 Jun 16;9(9):1450–1461. doi: 10.1002/cbic.200700724

Figure 1.

Figure 1

Phylogenetic tree [average distance by percent identity] from NOV1 and NOV2 amino acid sequences with additional representatives from sequenced microbial genomes (BLAST hits with high identity) and other characterized carotenoid oxygenase family representatives. Lignostilbene oxygenase activity: NOV1 (accession no. YP_496081), NOV2 (accession no. YP_498079) (this study), Sphingomonas paucimobilis isoform 1 (SPA1, accession no. AAC60447) [23] and isoform 3 (SPA3, accession no. AAB35856 ).[24] Apocarotenoid cleavage activity: Synechocystis PCC6803 (SYC2, accession no. S76169),[10] Nostoc sp. PCC7120 9,10 (NSC3, accession no. ZP_00112423).[4] 15, 15’ carotenoid cleavage activity: Synechococcus elongates PCC 7942 (SYO, accession no. ZP_00351210) (unpublished), Nostoc sp. PCC7120 (NSC2, accession no. accession no. AE2341),[4] mouse 15,15’-dioxygenase (MmBCO1, accession no. Q9JJS6).[41] Unknown activity: Bradyrhizobium japonicum USDA110 (BRA-J, accession no. NP_772430) (this study), Bradyrhizobium sp. Btai1 (BRA-S, accession no. ZP_008636652) (this study), Synechocystis PCC6803 (SYC1, accession no. S76206).[10] 9,10-9’10’ carotenoid cleavage activity: mouse 9,10-9’10’-dioxygenase (MmBCO2, accession no. Q99NF1),[9] Zea mays (ZmCCD1, ABF8565B), Phaseolus vulgaris (PvCCD1, Q94IR2) [6], Arabidopsis thaliana (AtCCD1, accession no. NP_191911.1) [6], Lycopersicon esculentum (LeCCD1, accession no. AAT68187),[17] Petunia × hybrida (PhCCD1, accession no. AAT68189),[18] Nostoc sp. PCC7120 (NSC1, accession no. BAB73063).[4] Isomerase activity: mouse RPE protein (MmRPE65, accession no. Q91ZQ5);[42] 9-cis-epoxycarotenoid 11,12 cleavage activity: Zea mays (VP14, accession no. AAB621811.1),[16] Arabidopsis thaliana (AtNCED1, accession no. AAN17413). Additional enzymes and accession numbers for putative oxygenases can be found in Supplemental Table 1.