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POLR3A

Gene
polr3a
Protein
DNA-directed RNA polymerase III subunit rpc1
Organism
Dictyostelium discoideum
Length
1450 amino acids
Function
DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic core component of RNA polymerase III which synthesizes small RNAs, such as 5S rRNA and tRNAs. Forms the polymerase active center together with the second largest subunit. A single-stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol III. A bridging helix emanates from RPC1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol III by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition (By similarity).
Similarity
Belongs to the RNA polymerase beta' chain family.
Mass
163.727 kDa
Sequence
MIELLKEDDAPKKIGHIQFGLLSEDDIVRLSHVQIVNRELFDLVKRKPTPYGVLDNKLGTSDKQAMCTTCGLSIVDCVGHFGYIKLQLPVFHIGYLKNIMNILQMICKSCSTILLNEEKKQYYLRKMRNKKMDNLQRKSLLKKIFLECRKTKECLKCGSTNGMIKKSGAFKIIHEKYKGKTESLQDYYALYDDAIKYNPEMKSHIKKAQDDLNPLVALNLFKKISYQDIEIMNMDPVIGRPERLILTYMLVPPVSIRPSVPMDGGSGTNEDDLTMKLSEILHINEHIRSNVDRAEMSAIMEDWDYLQASCAIYINSDVPGLPLQMKPTKAVRGLSQRLKGKTGRFRGNLSGKRVDFSGRTVISPDPNLNIDEVAVPQLIALTMTYPERVTDYNIERLQKYVINGPDRHPGANYIIYADGVKKWLKFGNREKFAAELKIGDIVERHIIDGDIMLFNRQPSLHKLSIMSHKARVMPWRTLRFNECVCTPYNADFDGDEMNIHLPQTEEARAEATILMGVTNNLITPRNGEPLVAATQDFLTASYLISRRDAFYERYRFALMCTHFADANEHIDLPPPAILKPVELWTGKQIFEVLLRPSVKSHVLCNFETRSRTYSKNLYMCPKDGYVYFRNSELMCGSIDKSIIGGGNKNSLFHILMRDFSPTIAANCMTRLAKLCARFLGDQGFSIGIPDIKPAEDLDRKKREIIETAYKKCAVFLKDYESGSLQLSSGCSMEQTFEAKMNQTLSQIRDDCGKLCVNDLPNYNSPLIMGLCGSKGSNINIAQMICCVGQQIVNGTRIPNGFTNRTTPHFKHFAKNPKSKGFVSNSFYTGMIPTEFFFHTMGGREGLVDTAVKTAETGYMQRRLMKALEDLSTHYDYTVRDSIGGIVQFIYGDDGLDPAGMEAKDRPVDFLRAMMSVKSTRQCRNEPEMKPFEIRKLVESIIDSSKFEACTDLFKNEIRVFFNGNEKTKGYIQELISLRKQFKLSSFDLNDNEDEIIIEDNSPMDISTTTTTTTTTTTNNAVKITNITTDIEMNESNKEENDKIEKERIEKEKESKRLKLLGERFANEHVVNQIHRITKTQIELFLDICLDKYSRARIEPGTAVGAIGAQSIGEPGTQMTLKTFHFAGVASMNVTLGVPRIKEIINAAKNISTPIITASLNCDYDIRSARIVAGRIEKTTLGHVATHIKEVVKRAGCYLSIKIDKNFVDSLQLEINSKTISQSIASTKGLKLKPEQITTNGDYKLRIVPPANIREGSLYYLQFLKNNLPAVIVKGIPTVNRVVISKVDEKQERYQLLVEGYDLRAVMATPGIKGTHTTSNHIMECENTLGIETARNTIMSEIDMIMTSHGMSIDIRHVMLLADLMSFKGEILGITRFGIAKMKESVLMLASFEKTTDHLFDAAVHHRQDDIVGVSECIIMGVVIPLGTGLFKLLRKSNKNNLPKKSLLLQD

Gene
POLR3A
Protein
DNA-directed RNA polymerase III subunit RPC1
Organism
Gallus gallus
Length
1390 amino acids
Function
DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic core component of RNA polymerase III which synthesizes small RNAs, such as 5S rRNA and tRNAs. Forms the polymerase active center together with the second largest subunit. A single-stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol III. A bridging helix emanates from RPC1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol III by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition (By similarity).
Similarity
Belongs to the RNA polymerase beta' chain family.
Mass
155.704 kDa
Sequence
MVKEQFRESDVAKKISHICFGMKSPEEMRQQAHIQVVSKNLYSQDNHHAPLQYGVLDHRMGTSEKDRPCETCGKNLADCLGHYGYIDLELPCFHVGYFKAVIGILQMICKTCCRIMLSVEEKKQFLDYLKRPGLTYLQKRGLKKKVSEKCRKKNTCPYCGAFNGTVKKCGLLKIIHEKYKTNKKVVDPIVSTFLQSFETAIEHNKEVEPLLGRAQENLNPLVVLNLFKRIPAEDIPLLLMNPEAGKPSDLILTRLLVPPLCIRPSVVSDLKSGTNEDDLTMKLTEIIFLNDVIKKHRISGAKTQMIMEDWDFLQLQCALYINSELSGIPLNMAPKKWTRGFVQRLKGKQGRFRGNLSGKRVDFSGRTVISPDPNLRIDEVAVPIHVAKILTFPEKVNKANINFMRKLVRNGPDVHPGANFIQQRHTQMKRFLKYGNREKMAQELKFGDIVERHLIDGDIVLFNRQPSLHKLSIMAHIARVKPHRTFRFNECVCTPYNADFDGDEMNLHLPQTEEAKAEALVLMGTKANLVTPRNGEPLIAAIQDFLTGAYLLTLKDTFFDRAKACQIIASILVGKDEKIKVRLPPPAILKPVTLWTGKQVFSSILKPSDDCPVKANLRTKGKQYCGKGEDLCYNDSYVTIQNSELMSGSMDKGTLGSGSKNNIFYILLRDWGQVEAADAMSRLARLAPVYLSNRGFSIGIGDVTPGQGLLKAKYELLHAGYKKCDEYIEALNTGKLQQQPGCTAEETLEALILKELSVIRDHAGSACLRELDKSNSPLIMALCGSKGSFINISQMIACVGQQAISGSRVPDGFENRSLPHFEKHSKLPAAKGFVANSFYSGLTPTEFFFHTMAGREGLVDTAVKTAETGYMQRRLVKSLEDLCSQYDLTVRSSTGDIIQFIYGGDGLDPAAMEGKDEPLEFKRVLDNIRAVYPCRSEPALSKNELVLTSESIMKKNEFLCCRDSFLQEIKKFIKGVSEKIKKTRDKYGINDNGTTEPRVLYQLDRITPTQLEKFLETCRDKYMRAQMEPGSAVGALCAQSIGEPGTQMTLKTFHFAGVASMNITLGVPRIKEIINASKAISTPIITAQLDKDDDPDFARLVKGRIEKTLLGEISEYIEEVFLPDDCFILVKLSLERIRLLRLEVNAETVRYSICISKLRVKPGDVAVHGEAVVCVTPRENSKSSMYYVLQSLKEELPKVVVQGIPEVSRAVIHIDEQSGKEKYKLLVEGDNLRAVMATHGVKGTKTSSNNTYEVEKTLGIEAARTTIINEIQYTMVNHGMSIDRRHVMLLSDLMTYKGEVLGITRFGLAKMKESVLMLASFEKTADHLFDAAYFGQKDSVCGVSECIIMGIPMNIGTGLFKLLHKADKESTPPRRPLIFDNNEFHIPIVT

Gene
POLR3A
Protein
DNA-directed RNA polymerase III subunit RPC1
Organism
Homo sapiens
Length
1390 amino acids
Function
DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic core component of RNA polymerase III which synthesizes small RNAs, such as 5S rRNA and tRNAs. Forms the polymerase active center together with the second largest subunit. A single-stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol III. A bridging helix emanates from RPC1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol III by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition (By similarity). Plays a key role in sensing and limiting infection by intracellular bacteria and DNA viruses. Acts as nuclear and cytosolic DNA sensor involved in innate immune response. Can sense non-self dsDNA that serves as template for transcription into dsRNA. The non-self RNA polymerase III transcripts, such as Epstein-Barr virus-encoded RNAs (EBERs) induce type I interferon and NF- Kappa-B through the RIG-I pathway.
Similarity
Belongs to the RNA polymerase beta' chain family.
Mass
155.641 kDa
Sequence
MVKEQFRETDVAKKISHICFGMKSPEEMRQQAHIQVVSKNLYSQDNQHAPLLYGVLDHRMGTSEKDRPCETCGKNLADCLGHYGYIDLELPCFHVGYFRAVIGILQMICKTCCHIMLSQEEKKQFLDYLKRPGLTYLQKRGLKKKISDKCRKKNICHHCGAFNGTVKKCGLLKIIHEKYKTNKKVVDPIVSNFLQSFETAIEHNKEVEPLLGRAQENLNPLVVLNLFKRIPAEDVPLLLMNPEAGKPSDLILTRLLVPPLCIRPSVVSDLKSGTNEDDLTMKLTEIIFLNDVIKKHRISGAKTQMIMEDWDFLQLQCALYINSELSGIPLNMAPKKWTRGFVQRLKGKQGRFRGNLSGKRVDFSGRTVISPDPNLRIDEVAVPVHVAKILTFPEKVNKANINFLRKLVQNGPEVHPGANFIQQRHTQMKRFLKYGNREKMAQELKYGDIVERHLIDGDVVLFNRQPSLHKLSIMAHLARVKPHRTFRFNECVCTPYNADFDGDEMNLHLPQTEEAKAEALVLMGTKANLVTPRNGEPLIAAIQDFLTGAYLLTLKDTFFDRAKACQIIASILVGKDEKIKVRLPPPTILKPVTLWTGKQIFSVILRPSDDNPVRANLRTKGKQYCGKGEDLCANDSYVTIQNSELMSGSMDKGTLGSGSKNNIFYILLRDWGQNEAADAMSRLARLAPVYLSNRGFSIGIGDVTPGQGLLKAKYELLNAGYKKCDEYIEALNTGKLQQQPGCTAEETLEALILKELSVIRDHAGSACLRELDKSNSPLTMALCGSKGSFINISQMIACVGQQAISGSRVPDGFENRSLPHFEKHSKLPAAKGFVANSFYSGLTPTEFFFHTMAGREGLVDTAVKTAETGYMQRRLVKSLEDLCSQYDLTVRSSTGDIIQFIYGGDGLDPAAMEGKDEPLEFKRVLDNIKAVFPCPSEPALSKNELILTTESIMKKSEFLCCQDSFLQEIKKFIKGVSEKIKKTRDKYGINDNGTTEPRVLYQLDRITPTQVEKFLETCRDKYMRAQMEPGSAVGALCAQSIGEPGTQMTLKTFHFAGVASMNITLGVPRIKEIINASKAISTPIITAQLDKDDDADYARLVKGRIEKTLLGEISEYIEEVFLPDDCFILVKLSLERIRLLRLEVNAETVRYSICTSKLRVKPGDVAVHGEAVVCVTPRENSKSSMYYVLQFLKEDLPKVVVQGIPEVSRAVIHIDEQSGKEKYKLLVEGDNLRAVMATHGVKGTRTTSNNTYEVEKTLGIEAARTTIINEIQYTMVNHGMSIDRRHVMLLSDLMTYKGEVLGITRFGLAKMKESVLMLASFEKTADHLFDAAYFGQKDSVCGVSECIIMGIPMNIGTGLFKLLHKADRDPNPPKRPLIFDTNEFHIPLVT

Gene
POLR3A
Protein
DNA-directed RNA polymerase III subunit RPC1
Organism
Bos taurus
Length
1390 amino acids
Function
DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic core component of RNA polymerase III which synthesizes small RNAs, such as 5S rRNA and tRNAs. Forms the polymerase active center together with the second largest subunit. A single-stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol III. A bridging helix emanates from RPC1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol III by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition. Acts as nuclear and cytosolic DNA sensor involved in innate immune response. Can sense non-self dsDNA that serves as template for transcription into dsRNA. The non-self RNA polymerase III transcripts induce type I interferon and NF- Kappa-B through the RIG-I pathway (By similarity).
Similarity
Belongs to the RNA polymerase beta' chain family.
Mass
155.791 kDa
Sequence
MVKEQFRETDVAKKISHICFGMKSAEEMRQQAHIQVVSKNLYSQDNNHSPLLYGVLDHRMGTSEKDRPCETCGKNLADCLGHYGYIDLELPCFHVGYFRAVIGILQMICKTCCHIMLSQEEKKQFLDYLKRPGLTYLQKRGLKKKISDKCRKKNTCHHCGAFNGTVKKCGLLKIIHEKYKTNKKVVDPIVSSFLQSFETAIEHNKEVEPLLGKAQENLNPLVVLNLFKRIPAEDIPLLLMNPEAGKPSDLILTRLLVPPLCIRPSVVSDLKSGTNEDDLTMKLTEIIFLNDVIKKHRISGAKTQMIMEDWDFLQLQCALYINSELSGIPLNMAPKKWTRGFVQRLKGKQGRFRGNLSGKRVDFSGRTVISPDPNLRIDEVAVPVHVAKILTFPEKVNKANINFLRKLVRNGPEVHPGANFIQQRHTQMKRFLKYGNREKMAQELKFGDIVERHLIDGDVVLFNRQPSLHKLSIMAHLARVKPHRTFRFNECVCTPYNADFDGDEMNLHLPQTEEAKAEALVLMGTKANLVTPRNGEPLIAAIQDFLTGAYLLTLKDTFFDRAKACQIIASILVGKDEKIKVRLPPPTILKPVTLWTGKQIFSVILRPSDDNPVRANLRTKGKQYCGRGEDLCVNDSYVTIQNSELMSGSMDKGTLGSGSKNNIFYILLRDWGQNEAADAMSRLARLAPVYLSNRGFSIGIGDVTPGQGLLKAKYELLNAGYKKCDEYIEALNTGKLQQQPGCTAEETLEALILKELSVIRDHAGSACLRELDKSNSPLTMALCGSKGSFINISQMIACVGQQAISGSRVPDGFENRSLPHFEKHSKLPAAKGFVANSFYSGLTPTEFFFHTMAGREGLVDTAVKTAETGYMQRRLVKSLEDLCSQYDLTVRSSTGDIIQFIYGGDGLDPAAMEGKDEPLEFKRVLDNIKAVFPCRSEPALSKNELLLSAESIMKKNEFLCCQDSFLQEIKKFIKEVSEKIKKTRDKYGINDNGTTEPRVLYQLDRITPTQIEKFLETCRDKYMRAQMEPGSAVGALCAQSIGEPGTQMTLKTFHFAGVASMNITLGVPRIKEIINASKAISTPIITAQLDKDDDADYARLVKGRIEKTLLGEISEYIEEVFLPDDCFILVKLSLERIRLLRLEVNAETVRYSICMSKLRVKPGDVAVHGEAVVCVTPRENSKSSMYYVLQFLKEDLPKVVVQGIPEVSRAVIHIDEQSGKEKYKLLVEGDNLRAVMATHGVKGTRTTSNNTYEVEKTLGIEAARTTIINEIQYTMVNHGMSIDRRHVMLLSDLMTYKGEVLGITRFGLAKMKESVLMLASFEKTADHLFDAAYFGQKDSVCGVSECIIMGIPMNIGTGLFKLLHKANRDPSPPRRPLIFDTNEFHIPLVT