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sigC

Gene
SIGC
Protein
RNA polymerase sigma factor sigC
Organism
Arabidopsis thaliana
Length
571 amino acids
Function
Sigma factors are initiation factors that promote the attachment of plastid-encoded RNA polymerase (PEP) to specific initiation sites and are then released.
Similarity
Belongs to the sigma-70 factor family.
Mass
64.906 kDa
Sequence
MASFNSFPIPKQIVGSSSSSSSSTSRPRILVRSSLTSSMTSTNSMLVFVHPHPLIKHWLSLLRSDQTSFPIFVRIPMTSVVATRWSFLSSVKEESRIYQNDSLKACGCASVSPYTAQNNVYVELKDPKENIGVGSAERSYSSRSMLQYNLLAKNLLALEETFVALDSVRMERDIMLQMGKLGAAELFKTCLSRYRGSSITSCLSDTTELVDTTPNQQVFVSSRRKVKKKARRSSVTAENGDQSSLPIGLRTTWNNIDVPRVRRPPKYRKKRERISRNETEMSTGVKIVADMERIRTQLEEESGKVASLSCWAAAAGMNEKLLMRNLHYGWYCRDELVKSTRSLVLFLARNYRGLGIAHEDLIQAGYVGVLQGAERFDHTRGYKFSTYVQYWIRKSMSTMVSRHARGVHIPSSIIRTINHIQKARKTLKTSHGIKYAADEEIAKLTGHSVKKIRAANQCLKVVGSIDKKVGDCFTTKFLEFTPDTTMESPEEAVMRQSARRDIHDLLEGLEPREKQVMVLRYGLQDYRPKSLEEIGKLLKVSKEWIRKIERRAMAKLRDQPNAEDLRYYLNQ

Gene
sigC
Protein
RNA polymerase sigma-C factor
Organism
Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576)
Length
416 amino acids
Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released.
Similarity
Belongs to the sigma-70 factor family.
Mass
47.374 kDa
Sequence
MPATSFYADAAYNTQKSRQALDPDIAIDDSDLSVDEIQELEIAAADPATFGASANRRSTDLVRLYLQEIGRVRLLGRDEEVSEAQKVQRYLKLRIVLANAVKQGDEVATPYLHLIEVQERLASELGHRPSLERWAATAGINLCDLKPILSEGKRRWAEIAKMTVEELEKMQSQGLQSKEHMIKANLRLVVSVAKKYQNRGLELLDLVQEGTLGLERAVEKFDPTKGYRFSTYAYWWIRQGITRAIATSSRTIRLPVHITEKLNKIKKAQRKIAQEKGRTPTLEDLAIELDMTPTQVREVLLRVPRSVSLETKVGKDKDTELGELLETDGVTPEEMLMRESLQRDLQHLLADLTSRERDVILMRFGLADGHPYSLAEIGRALDLSRERVRQIESKALQKLRQPKRRNLIRDYLESLS

Gene
sigC
Protein
Probable RNA polymerase sigma-C factor
Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Length
404 amino acids
Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released.
Similarity
Belongs to the sigma-70 factor family.
Mass
46.581 kDa
Sequence
MTKPSNDEPPLTNVRDLEAMLPLEEEDLTADSQDLEYTAVAHRQQFSTDLVRLYLQDIGRIPLLKRDEEVHIAQQVQSYLRLVEIQNRAAESDAAIDQYQTAIAVHDQLLVQLGHRPSYERWAKILGQTVATLKQTLKSGKKRWAELAGLTVEELENIEKQGITAKAHMIKANLRLVVSVAKKYQNRGLELLDLIQEGTLGLERAVEKFDPTKGYRFSTYSYWWIRQGITRAIATQSRMIRLPVHITEKLNKIKRAQRKISQEKGHTPKIDEVAEELGMTPEQVREVLTQVPRSVSLELKVGQDKDTELMDLLETDTQSPEDELMREALQNDMQEILLDLTPREQEVIALRFGFQDGVAHSLSEIGRILNLSRERVRQIEAKALQKLRHPRRRDRIRDYYENLG

Gene
sigC
Protein
RNA polymerase sigma-C factor
Organism
Myxococcus xanthus
Length
295 amino acids
Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is essential for normal fruiting body formation.
Similarity
Belongs to the sigma-70 factor family.
Mass
33.433 kDa
Sequence
MQASNSFSSPDSLSTYLSEINQYPLLTQPQEQELSKRFRAGDLAAGHQLVTANLRFVVKVAYEYRSYGLKMSDLIQEANIGLMKAVQKFDPDKGIRLISYAVWWIRAYIQNCILKNWSLVKLGTTQAQRRLFFSLARTRRELEKMGAGDANVVNAEEIARKLNVKASEVREMEQRMGGRDLSLDAPMGEDGDATHLDFVESESVSAVDEVADRQQANLTRELVQRALRRLDPRERFIIEQRVMGDAEMTLSELGEHFGFSRERARQLEIRAKDKLKLALVTLMAEAGVDESTLNA

Gene
sigC
Protein
Probable RNA polymerase sigma-C factor
Organism
Mycobacterium bovis (strain ATCC BAA-935 / AF2122/97)
Length
185 amino acids
Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released.
Similarity
Belongs to the sigma-70 factor family. ECF subfamily.
Mass
19.966 kDa
Sequence
MTATASDDEAVTALALSAAKGNGRALEAFIKATQQDVWRFVAYLSDVGSADDLTQETFLRAIGAIPRFSARSSARTWLLAIARHVVADHIRHVRSRPRTTRGARPEHLIDGDRHARGFEDLVEVTTMIADLTTDQREALLLTQLLGLSYADAAAVCGCPVGTIRSRVARARDALLADAEPDDLTG

Gene
sigC
Protein
ECF RNA polymerase sigma factor SigC
Organism
Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh)
Length
185 amino acids
Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. Extracytoplasmic function (ECF) sigma factors are usually held in an inactive form by an anti-sigma factor until released by regulated intramembrane proteolysis; this sigma factor does not seem to have a cognate anti-sigma factor however. It has been suggested that the sigma domains 2 and 4 may interact via polar residues in this protein to autoregulate. Positively regulates expression of a small regulon of genes (By similarity).
Similarity
Belongs to the sigma-70 factor family. ECF subfamily.
Mass
19.966 kDa
Sequence
MTATASDDEAVTALALSAAKGNGRALEAFIKATQQDVWRFVAYLSDVGSADDLTQETFLRAIGAIPRFSARSSARTWLLAIARHVVADHIRHVRSRPRTTRGARPEHLIDGDRHARGFEDLVEVTTMIADLTTDQREALLLTQLLGLSYADAAAVCGCPVGTIRSRVARARDALLADAEPDDLTG

Gene
sigC
Protein
ECF RNA polymerase sigma factor SigC
Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Length
185 amino acids
Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. Extracytoplasmic function (ECF) sigma factors are usually held in an inactive form by an anti-sigma factor until released by regulated intramembrane proteolysis; this sigma factor does not seem to have a cognate anti-sigma factor however. It has been suggested that the sigma domains 2 and 4 may interact via polar residues in this protein to autoregulate. Positively regulates expression of a small regulon of genes.
Similarity
Belongs to the sigma-70 factor family. ECF subfamily.
Mass
19.966 kDa
Sequence
MTATASDDEAVTALALSAAKGNGRALEAFIKATQQDVWRFVAYLSDVGSADDLTQETFLRAIGAIPRFSARSSARTWLLAIARHVVADHIRHVRSRPRTTRGARPEHLIDGDRHARGFEDLVEVTTMIADLTTDQREALLLTQLLGLSYADAAAVCGCPVGTIRSRVARARDALLADAEPDDLTG