Basic information
Locus name	AT4G03280
Alias	SAG21/PETC/PGR1
Organism	Arabidopsis thaliana
Taxonomic identifier	[NCBI]
Function category	Others:Light signal
Effect for Senescence	Unclear
Gene Description	Encodes the Rieske FeS center of cytochrome b6f complex. Gene is expressed in shoot but not in root.Encodes the Rieske FeS center of cytochrome b6f complex. Gene is expressed in shoot but not in root.Encodes the Rieske FeS center of cytochrome b6f complex. Gene is expressed in shoot but not in root.Mutant has reduced electron transport at saturating light intensities and Q-cycle activity is hypersensitive to acidification of the thylakoid lumen.
Evidence	Molecular evidence: SSH and Northern [Ref 1]
References	1: Gepstein S, Sabehi G, Carp MJ, Hajouj T, Nesher MF, Yariv I, Dor C, Bassani M Large-scale identification of leaf senescence-associated genes. Plant J. 2003 Dec;36(5):629-42
Gene Ontology	biological process oxidation-reduction process photosynthesis cellular component membrane molecular function electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity oxidoreductase activity, acting on diphenols and related substances as donors plastoquinol--plastocyanin reductase activity ubiquinol-cytochrome-c reductase activity
Pathway	KEGG map00195 (EC 1.10.99.1)
Sequence	AT4G03280.1 | Genomic | mRNA | CDS | Protein AT4G03280.2 | Genomic | mRNA | CDS | Protein
Ortholog Group
Ortholog Groups: OG5_135583	Accession Taxon NP_192237 ( AT4G03280 ) Arabidopsis thaliana NP_849295 Arabidopsis thaliana CMI281C Cyanidioschyzon merolae strain 10D CMO066C Cyanidioschyzon merolae strain 10D CMQ165C Cyanidioschyzon merolae strain 10D 193296 Chlamydomonas reinhardtii ACO68178 Micromonas sp. RCC299 NP_001059962 Oryza sativa Japonica Group estExt_gwp_GeneWisePlus.C_Chr_01.00010282 Ostreococcus tauri e_gw1.35.245.1 Physcomitrella patens subsp. patens fgenesh2_pg.scaffold_112000057 Physcomitrella patens subsp. patens 30225.m001694 Ricinus communis e_gw1.19a.84.1 Thalassiosira pseudonana CCMP1335 estExt_fgenesh1_pm.C_chr_20055 Thalassiosira pseudonana CCMP1335 XP_002947706 Volvox carteri f. nagariensis
Cross Link
Database Entry ID E-value Start End InterPro ID Description PANTHER PTHR10134 9.4E-65 16 219 IPR014349 Rieske iron-sulphur protein Hamap MF_01335 37.3 51 229 IPR023960 Cytochrome b6-f complex iron-sulfur subunit Pfam PF08802 4.9E-19 57 95 IPR014909 Cytochrome b6-f complex Fe-S subunit SUPERFAMILY SSF50022 2.1E-32 57 228 IPR017941 Rieske [2Fe-2S] iron-sulphur domain ProSiteProfiles PS51296 19.9 115 211 IPR017941 Rieske [2Fe-2S] iron-sulphur domain Pfam PF00355 5.5E-17 137 197 IPR017941 Rieske [2Fe-2S] iron-sulphur domain PRINTS PR00162 8.7E-15 152 163 IPR005805 Rieske iron-sulphur protein, C-terminal PRINTS PR00162 8.7E-15 173 185 IPR005805 Rieske iron-sulphur protein, C-terminal PRINTS PR00162 8.7E-15 185 197 IPR005805 Rieske iron-sulphur protein, C-terminal
Subcellular Localization
Localization	plastid
Evidence	SUBAcon
Pubmed ID	23180787