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sigG

Gene
sigG
Protein
SrfA-induced gene G protein
Organism
Dictyostelium discoideum
Length
425 amino acids
Mass
50.28 kDa
Sequence
MSTPTRTKKLIVSPTSVRKRVQNQNLTNTTYSTNSNSSRYRDSEENFLNRQQQELKQLHDQQLYELQELQEQQINEIEELSKQRSNTRIRNVFKVLITILVGSIIYGTYTNQFQPNPIEPFHLTEPIGQTWLHSLKDISTNWYHIWSDSFKDLARIKPLSESQTMPAGHRLHEKQILEKTLRRHQQEQDNNNNNKKTIENQMERMKRTDLERAIKEKTFFLDPTHYVNEEMIKQEIERQLKPHPGAPTPYNKDVYNSQNIYYPSSDAIPMVREKIENLENKVLDSVDEAIYKFGQKSKELLHNIQEKKEQIKEKLNDEPSNIEKEFNSLIKEIEKANYNIFKDLKDNYGEPTIEKLNELRYKFNDAARESREVIKNKIESAQAIEQELAKNLKKPHADSNGHPKPYPHHHLLNQENQIDENLIIV

Gene
sigG
Protein
ECF RNA polymerase sigma factor SigG
Organism
Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh)
Length
370 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 held in an inactive form by a cognate anti-sigma factor until released, although no anti-sigma factor is known for this protein. May be involved in host intracellular survival after infection (strains H37Rv and CDC 1551). A role in the SOS response is controversial; it has been seen in strain CDC 1551 (PubMed:18039768) but not in H37Rv (PubMed:21169493).
Similarity
Belongs to the sigma-70 factor family. ECF subfamily.
Mass
40.983 kDa
Sequence
MRTSPMPAKFRSVRVVVITGSVTAAPVRVSETLRRLIDVSVLAENSGREPADERRGDFSAHTEPYRRELLAHCYRMTGSLHDAEDLVQETLLRAWKAYEGFAGKSSLRTWLHRIATNTCLTALEGRRRRPLPTGLGRPSADPSGELVERREVSWLEPLPDVTDDPADPSTIVGNRESVRLAFVAALQHLSPRQRAVLLLRDVLQWKSAEVADAIGTSTVAVNSLLQRARSQLQTVRPSAADRLSAPDSPEAQDLLARYIAAFEAYDIDRLVELFTAEAIWEMPPYTGWYQGAQAIVTLIHQQCPAYSPGDMRLISLIANGQPAAAMYMRAGDVHLPFQLHVLDMAADRVSHVVAFLDTTLFPKFGLPDSL

Gene
sigG
Protein
ECF RNA polymerase sigma factor SigG
Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Length
370 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 held in an inactive form by a cognate anti-sigma factor until released, although no anti-sigma factor is known for this protein. May be involved in host intracellular survival after infection (strains H37Rv and CDC 1551). A role in the SOS response is controversial; it has been seen in strain CDC 1551 (PubMed:18039768) but not in H37Rv (PubMed:21169493).
Similarity
Belongs to the sigma-70 factor family. ECF subfamily.
Mass
40.983 kDa
Sequence
MRTSPMPAKFRSVRVVVITGSVTAAPVRVSETLRRLIDVSVLAENSGREPADERRGDFSAHTEPYRRELLAHCYRMTGSLHDAEDLVQETLLRAWKAYEGFAGKSSLRTWLHRIATNTCLTALEGRRRRPLPTGLGRPSADPSGELVERREVSWLEPLPDVTDDPADPSTIVGNRESVRLAFVAALQHLSPRQRAVLLLRDVLQWKSAEVADAIGTSTVAVNSLLQRARSQLQTVRPSAADRLSAPDSPEAQDLLARYIAAFEAYDIDRLVELFTAEAIWEMPPYTGWYQGAQAIVTLIHQQCPAYSPGDMRLISLIANGQPAAAMYMRAGDVHLPFQLHVLDMAADRVSHVVAFLDTTLFPKFGLPDSL

Gene
sigG
Protein
RNA polymerase sigma-G factor
Organism
Bacillus subtilis (strain 168)
Length
260 amino acids
Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released (PubMed:18208527). This sigma factor is responsible for the expression of sporulation specific genes in the forespore (PubMed:18208527).
Similarity
Belongs to the sigma-70 factor family.
Mass
30.073 kDa
Sequence
MSRNKVEICGVDTSKLPVLKNEEMRKLFRQLQDEGDDSAREKLVNGNLRLVLSVIQRFNNRGEYVDDLFQVGCIGLMKSIDNFDLSHNVKFSTYAVPMIIGEIRRYLRDNNPIRVSRSLRDIAYKALQVRERLISETSKEPTAEDIAKVLEVPHEEIVFALDAIQDPVSLFEPIYNDGGDPIYVMDQISDERNTDSQWIEELALKEGMRRLNDREKMILRKRFFQGKTQMEVAEEIGISQAQVSRLEKAAIKQMNKNIHQ

Gene
sigG
Protein
RNA polymerase sigma-G factor
Organism
Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787)
Length
257 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 responsible for the expression of sporulation specific genes.
Similarity
Belongs to the sigma-70 factor family.
Mass
29.656 kDa
Sequence
MVINKVEICGVNTSKLPVLKEKEMRELLISMRNGNTTAREKFIKGNLRLVLSVIQRFNNRGENADDLFQVGCIGLIKSIDNFDLSQNVKFSTYAVPMIIGEIRRYLRDNNSIRVSRSLRDIAYRALQVRDRLISKNNKEPTVSQIAKELKIPREEVIFALDAIQDPISLFEPIYHDDGDAIYVMDQISDNKNLDDSWLQNISIKEAMKKLSDREKMILNMRFFDGRTQMEVADEIGISQAQVSRLEKTALKHMKKYV