AOX4 Antibody

1. Data indicate that the protein level of plastid terminal oxidase (PTOX) was increased in the bacterial phytoene desaturase (CRTI)-expressing lines. PMID: 24378845
2. the exon 8 domain of PTOX (IMMUTANS) is required for PTOX activity and stability in Arabidopsis PMID: 16249174
3. IMMUTANS appears to be a versatile electron sink, especially early in chloroplast development, when its function is crucial for carotenoid biosynthesis, and in excess light, when it serves as a 'safety valve'. PMID: 16449381
4. Neither functional analyses of the immutans (IM) knockout and overexpression lines nor meta-analyses of gene expression support the model that IM acts as a safety valve to regulate the redox state of the PQ pool during stress and acclimation PMID: 16891546
5. Plants lacking IM have enhanced rates of carbon assimilation with corresponding increases in the activities of Rubisco and SPS, elevated starch and sucrose pool sizes, and an altered pattern of carbohydrate partitioning that favors sucrose over starch. PMID: 17342448
6. Lack of colored carotenoids in the im white tissues elicits a differential response from a large number of genes involved in various cellular processes and stress responses. PMID: 19386811
7. 14 conserved sites fall into three classes: Ala-139, Pro-142, Glu-171, Asn-174, Leu-179, Pro-216, Ala-230, Asp-287, and Arg-293 are dispensable for activity; Tyr-234 and Asp-295 are essential; and Leu-135, His-151, and Tyr-212 are important. PMID: 19542226
8. In low light, thylakoids from PTOX overexpressed plants were protected against photoinhibition. PMID: 19740740

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KEGG: ath:AT4G22260

STRING: 3702.AT4G22260.1

UniGene: At.20480