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POLR3A Protein (AA 1-1390) (His tag)

Crystallography grade POLR3A Origin: Human Host: Insect Cells Recombinant >95 % as determined by SDS PAGE, Size Exclusion Chromatography and Western Blot. SDS, WB, ELISA, Crys
Catalog No. ABIN3095091
  • Target See all POLR3A Proteins
    POLR3A (Polymerase (RNA) III (DNA Directed) Polypeptide A, 155kDa (POLR3A))
    Protein Type
    Recombinant
    Protein Characteristics
    AA 1-1390
    Origin
    Human
    Source
    • 1
    • 1
    Insect Cells
    Purification tag / Conjugate
    This POLR3A protein is labelled with His tag.
    Application
    SDS-PAGE (SDS), Western Blotting (WB), ELISA, Crystallization (Crys)
    Sequence
    MVKEQFRETD VAKKISHICF GMKSPEEMRQ QAHIQVVSKN LYSQDNQHAP LLYGVLDHRM GTSEKDRPCE TCGKNLADCL GHYGYIDLEL PCFHVGYFRA VIGILQMICK TCCHIMLSQE EKKQFLDYLK RPGLTYLQKR GLKKKISDKC RKKNICHHCG AFNGTVKKCG LLKIIHEKYK TNKKVVDPIV SNFLQSFETA IEHNKEVEPL LGRAQENLNP LVVLNLFKRI PAEDVPLLLM NPEAGKPSDL ILTRLLVPPL CIRPSVVSDL KSGTNEDDLT MKLTEIIFLN DVIKKHRISG AKTQMIMEDW DFLQLQCALY INSELSGIPL NMAPKKWTRG FVQRLKGKQG RFRGNLSGKR VDFSGRTVIS PDPNLRIDEV AVPVHVAKIL TFPEKVNKAN INFLRKLVQN GPEVHPGANF IQQRHTQMKR FLKYGNREKM AQELKYGDIV ERHLIDGDVV LFNRQPSLHK LSIMAHLARV KPHRTFRFNE CVCTPYNADF DGDEMNLHLP QTEEAKAEAL VLMGTKANLV TPRNGEPLIA AIQDFLTGAY LLTLKDTFFD RAKACQIIAS ILVGKDEKIK VRLPPPTILK PVTLWTGKQI FSVILRPSDD NPVRANLRTK GKQYCGKGED LCANDSYVTI QNSELMSGSM DKGTLGSGSK NNIFYILLRD WGQNEAADAM SRLARLAPVY LSNRGFSIGI GDVTPGQGLL KAKYELLNAG YKKCDEYIEA LNTGKLQQQP GCTAEETLEA LILKELSVIR DHAGSACLRE LDKSNSPLTM ALCGSKGSFI NISQMIACVG QQAISGSRVP DGFENRSLPH FEKHSKLPAA KGFVANSFYS GLTPTEFFFH TMAGREGLVD TAVKTAETGY MQRRLVKSLE DLCSQYDLTV RSSTGDIIQF IYGGDGLDPA AMEGKDEPLE FKRVLDNIKA VFPCPSEPAL SKNELILTTE SIMKKSEFLC CQDSFLQEIK KFIKGVSEKI KKTRDKYGIN DNGTTEPRVL YQLDRITPTQ VEKFLETCRD KYMRAQMEPG SAVGALCAQS IGEPGTQMTL KTFHFAGVAS MNITLGVPRI KEIINASKAI STPIITAQLD KDDDADYARL VKGRIEKTLL GEISEYIEEV FLPDDCFILV KLSLERIRLL RLEVNAETVR YSICTSKLRV KPGDVAVHGE AVVCVTPREN SKSSMYYVLQ FLKEDLPKVV VQGIPEVSRA VIHIDEQSGK EKYKLLVEGD NLRAVMATHG VKGTRTTSNN TYEVEKTLGI EAARTTIINE IQYTMVNHGM SIDRRHVMLL SDLMTYKGEV LGITRFGLAK MKESVLMLAS FEKTADHLFD AAYFGQKDSV CGVSECIIMG IPMNIGTGLF KLLHKADRDP NPPKRPLIFD TNEFHIPLVT
    Sequence without tag. Tag location is at the discretion of the manufacturer. If you have a special request, please contact us.
    Characteristics
    • Made in Germany - from design to production - by highly experienced protein experts.
    • Human POLR3A Protein (raised in Insect Cells) purified by multi-step, protein-specific process to ensure crystallization grade.
    • State-of-the-art algorithm used for plasmid design (Gene synthesis).

    This protein is a made to order protein and will be made for the first time for your order. Our experts in the lab will ensure that you receive a correctly folded protein.

    The big advantage of ordering our made-to-order proteins in comparison to ordering custom made proteins from other companies is that there is no financial obligation in case the protein cannot be expressed or purified.

    In the unlikely event that the protein cannot be expressed or purified we do not charge anything (other companies might charge you for any performed steps in the expression process for custom-made proteins, e.g. fees might apply for the expression plasmid, the first expression experiments or purification optimization).

    When you order this made-to-order protein you will only pay upon receival of the correctly folded protein. With no financial risk on your end you can rest assured that our experienced protein experts will do everything to make sure that you receive the protein you ordered.

    The concentration of our recombinant proteins is measured using the absorbance at 280nm. The protein's absorbance will be measured in several dilutions and is measured against its specific reference buffer.

    The concentration of the protein is calculated using its specific absorption coefficient. We use the Expasy's protparam tool to determine the absorption coefficient of each protein.

    Purification
    Two step purification of proteins expressed in baculovirus infected SF9 insect cells:
    1. In a first purification step, the protein is purified from the cleared cell lysate using three different His-tag capture materials: high yield, EDTA resistant, or DTT resistant. Eluate fractions are analyzed by SDS-PAGE.
    2. Protein containing fractions of the best purification are subjected to second purification step through size exclusion chromatography. Eluate fractions are analyzed by SDS-PAGE and Western blot.
    Purity
    >95 % as determined by SDS PAGE, Size Exclusion Chromatography and Western Blot.
    Sterility
    0.22 μm filtered
    Endotoxin Level
    Protein is endotoxin free.
    Grade
    Crystallography grade
    Top Product
    Discover our top product POLR3A Protein
  • Application Notes
    In addition to the applications listed above we expect the protein to work for functional studies as well. As the protein has not been tested for functional studies yet we cannot offer a gurantee though.
    Comment

    In cases in which it is highly likely that the recombinant protein with the default tag will be insoluble our protein lab may suggest a higher molecular weight tag (e.g. GST-tag) instead to increase solubility. We will discuss all possible options with you in detail to assure that you receive your protein of interest.

    Restrictions
    For Research Use only
  • Format
    Liquid
    Buffer
    100 mM NaCL, 20 mM Hepes, 10% glycerol. pH value is at the discretion of the manufacturer.
    Handling Advice
    Avoid repeated freeze-thaw cycles.
    Storage
    -80 °C
    Storage Comment
    Store at -80°C.
    Expiry Date
    Unlimited (if stored properly)
  • Target
    POLR3A (Polymerase (RNA) III (DNA Directed) Polypeptide A, 155kDa (POLR3A))
    Alternative Name
    POLR3A (POLR3A Products)
    Synonyms
    9330175N20Rik Protein, BC053071 Protein, RPC1 Protein, RPC155 Protein, RGD1305574 Protein, ADDH Protein, HLD7 Protein, hRPC155 Protein, polymerase (RNA) III (DNA directed) polypeptide A Protein, RNA polymerase III subunit A Protein, Polr3a Protein, POLR3A Protein
    Background
    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. {ECO:0000250, ECO:0000269|PubMed:19609254, ECO:0000269|PubMed:19631370}.
    Molecular Weight
    156.6 kDa Including tag.
    UniProt
    O14802
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