Recombinant Human GPN-loop GTPase 1 (GPN1)

Code CSB-YP009724HU
MSDS
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Source Yeast
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Code CSB-EP009724HU
MSDS
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Source E.coli
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Code CSB-EP009724HU-B
MSDS
Size Pls inquire
Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP009724HU
MSDS
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Source Baculovirus
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Code CSB-MP009724HU
MSDS
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
GPN1
Uniprot No.
Alternative Names
ATP(GTP) binding protein; ATPBD1A; FLJ51176; GPN loop GTPase 1; GPN-loop GTPase 1; Gpn1; GPN1_HUMAN; MBD2 interacting protein; MBD2-interacting protein; MBDin; NTPBP; RNA polymerase II associated protein 4; RPAP4; XAB1; XPA binding protein 1; XPA binding protein 1 GTPase; XPA-binding protein 1
Species
Homo sapiens (Human)
Expression Region
2-374
Target Protein Sequence
AASAAAAEL QASGGPRHPV CLLVLGMAGS GKTTFVQRLT GHLHAQGTPP YVINLDPAVH EVPFPANIDI RDTVKYKEVM KQYGLGPNGG IVTSLNLFAT RFDQVMKFIE KAQNMSKYVL IDTPGQIEVF TWSASGTIIT EALASSFPTV VIYVMDTSRS TNPVTFMSNM LYACSILYKT KLPFIVVMNK TDIIDHSFAV EWMQDFEAFQ DALNQETTYV SNLTRSMSLV LDEFYSSLRV VGVSAVLGTG LDELFVQVTS AAEEYEREYR PEYERLKKSL ANAESQQQRE QLERLRKDMG SVALDAGTAK DSLSPVLHPS DLILTRGTLD EEDEEADSDT DDIDHRVTEE SHEEPAFQNF MQESMAQYWK RNNK
Protein Length
Full Length of Mature Protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

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Target Background

Function
Small GTPase required for proper nuclear import of RNA polymerase II (RNAPII). May act at an RNAP assembly step prior to nuclear import. Forms an interface between the RNA polymerase II enzyme and chaperone/scaffolding proteins, suggesting that it is required to connect RNA polymerase II to regulators of protein complex formation. May be involved in nuclear localization of XPA.
Gene References into Functions
  1. Results show that Gpn1-inhibitable, nuclear polyubiquitination on lysine 216 regulates the half-life of Gpn3 by tagging it for proteasomal degradation. PMID: 29029378
  2. an acquired PDZ-binding motif in Gpn3 Q279* caused Gpn3 nuclear entry, and inhibited Gpn1 nuclear export and Gpn3-mediated RNAPII nuclear targeting. PMID: 28940195
  3. GPN1 gene variation is associated with oral cavity and pharyngeal cancer. PMID: 27749845
  4. Gpn1-Gpn3 interaction was essential to maintain steady-state protein levels of both GTPases PMID: 25241168
  5. A highly active, evolutionarily conserved nuclear export sequences in XAB1/Gpn1, was identified. PMID: 22796641
  6. Data show that GPN1/GPN3 define a new family of small GTPases that are specialized for the transport of RNA polymerase II into the nucleus. PMID: 21768307
  7. RPAP4/GPN1 is a member of a newly discovered GTPase family that contains a highly conserved GPN loop motif that is essential, along with its GTP-binding motifs, for nuclear localization of POLR2A/RPB1 in a process that also requires microtubule assembly PMID: 20855544
  8. relieves MBD2-mediated transcriptional repression and reactivates transcription from methylated promoters PMID: 12588985

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Subcellular Location
Cytoplasm. Nucleus.
Protein Families
GPN-loop GTPase family
Tissue Specificity
Expressed ubiquitously.
Database Links

HGNC: 17030

OMIM: 611479

KEGG: hsa:11321

STRING: 9606.ENSP00000264718

UniGene: Hs.18259

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