Recombinant Human Bifunctional purine biosynthesis protein PURH (ATIC)

Code CSB-YP002299HU
MSDS
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Source Yeast
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Code CSB-EP002299HU
MSDS
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Source E.coli
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Code CSB-EP002299HU-B
MSDS
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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-BP002299HU
MSDS
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Source Baculovirus
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Code CSB-MP002299HU
MSDS
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
ATIC
Uniprot No.
Alternative Names
AICAR formyltransferase/IMP cyclohydrolase; 5 aminoimidazole 4 carboxamide 1 beta D ribonucleotide transformylase/inosinicase; 5 aminoimidazole 4 carboxamide ribonucleotide formyltransferase; 5 aminoimidazole 4 carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase; 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase; AICAR; AICAR formyltransferase/IMP cyclohydrolase bifunctional enzyme; AICAR transformylase; AICARFT; AICARFT/IMPCHASE; ATIC; Bifunctional purine biosynthesis protein PURH; epididymis secretory sperm binding protein Li 70p; FLJ93545; HEL-S-70p; IMP cyclohydrolase; IMP synthase; IMP synthetase; IMPCHASE; Inosinicase; OK/SW-cl.86; Phosphoribosylaminoimidazolecarboxamide formyltransferase; Phosphoribosylaminoimidazolecarboxamide formyltransferase/IMP cyclohydrolase; PUR9_HUMAN; PURH
Species
Homo sapiens (Human)
Expression Region
1-592
Target Protein Sequence
MAPGQLALFS VSDKTGLVEF ARNLTALGLN LVASGGTAKA LRDAGLAVRD VSELTGFPEM LGGRVKTLHP AVHAGILARN IPEDNADMAR LDFNLIRVVA CNLYPFVKTV ASPGVTVEEA VEQIDIGGVT LLRAAAKNHA RVTVVCEPED YVVVSTEMQS SESKDTSLET RRQLALKAFT HTAQYDEAIS DYFRKQYSKG VSQMPLRYGM NPHQTPAQLY TLQPKLPITV LNGAPGFINL CDALNAWQLV KELKEALGIP AAASFKHVSP AGAAVGIPLS EDEAKVCMVY DLYKTLTPIS AAYARARGAD RMSSFGDFVA LSDVCDVPTA KIISREVSDG IIAPGYEEEA LTILSKKKNG NYCVLQMDQS YKPDENEVRT LFGLHLSQKR NNGVVDKSLF SNVVTKNKDL PESALRDLIV ATIAVKYTQS NSVCYAKNGQ VIGIGAGQQS RIHCTRLAGD KANYWWLRHH PQVLSMKFKT GVKRAEISNA IDQYVTGTIG EDEDLIKWKA LFEEVPELLT EAEKKEWVEK LTEVSISSDA FFPFRDNVDR AKRSGVAYIA APSGSAADKV VIEACDELGI ILAHTNLRLF HH
Protein Length
Full length 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
Bifunctional enzyme that catalyzes the last two steps of purine biosynthesis. Acts as a transformylase that incorporates a formyl group to the AMP analog AICAR (5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide) to produce the intermediate formyl-AICAR (FAICAR). Can use both 10-formyldihydrofolate and 10-formyltetrahydrofolate as the formyl donor in this reaction. Also catalyzes the cyclization of FAICAR to IMP. Is able to convert thio-AICAR to 6-mercaptopurine ribonucleotide, an inhibitor of purine biosynthesis used in the treatment of human leukemias. Promotes insulin receptor/INSR autophosphorylation and is involved in INSR internalization.
Gene References into Functions
  1. ATIC acts as an oncogenic gene that promotes survival, proliferation and migration by targeting AMPK-mTOR-S6 K1 signaling PMID: 29246230
  2. The AICARFT site is capable of independently binding both nucleotide and folate substrates with high affinity however no evidence for positive cooperativity in binding could be detected using the model ligands employed in this study. PMID: 29042184
  3. Pediatric Osteosarcoma patients with ATIC 347C>G exhibited a good histologic response to chemotherapy PMID: 28267080
  4. The ATIC 347 C/G polymorphism may be associated with non-responsiveness to and or toxicity of methotrexate in Caucasian rheumatoid arthritis patients. PMID: 27379764
  5. ATIC 347C>G gene polymorphism may be associated with the development of MTX induced gastrointestinal adverse events. PMID: 26799664
  6. genotyping of ATIC rs2372536 and ITPA rs1127354 variants or measuring ITPA activity could be useful to predict methotrexate response in children with juvenile idiopathic arthritis. PMID: 25240429
  7. This study shows that polymorphisms on genes related to the metabolic pathway of pemetrexed, especially, ATIC and GGH genes, would have a therapeutic implication in pemetrexed-treated patients with lung adenocarcinoma PMID: 25823786
  8. PTPLAD1 and AMPK are rapidly compartmentalized within the plasma membrane (PM) and Golgi/endosome fractions after insulin stimulation and that ATIC later accumulates in the Golgi/endosome fraction. PMID: 25687571
  9. Single nucleotide polymorphisms in ATIC gene is associated with acute graft-versus-host disease. PMID: 25425682
  10. Our data show that ATIC is in complex with insulin receptor (IR)and siRNA-mediated partial knockdown of ATIC in HEK293 cells, decreases IR tyrosine phosphorylation and regulates IR endocytosis. Insulin stimulation and ATIC knockdown readily increase level of AMPK-Thr172 phosphorylation in IR complexes.ATIC depletion delayed insulin response of Glut2 translocation in HEK293 cells and decreased AKT-Ser473 phosphorylation. PMID: 25687571
  11. MTHFR, DHFR and ATIC genetic variants can be considered as pharmacogenetic markers of outcome in RA patients under MTX monotherapy. PMID: 25084201
  12. study suggests that MTHFR C677T and ATIC T675C genotyping combined with clinicopathological data may help to identify patients whom will not benefit from MTX treatment and, therefore, assist clinicians in personalizing RA treatment PMID: 24967362
  13. Results proved in cultured skin fibroblasts from patients with AICA-ribosiduria that various mutations of ATIC destabilize to various degrees purinosome assembly. PMID: 22180458
  14. The kinetic mechanism of the human bifunctional enzyme ATIC PMID: 11948179
  15. crystal structure of ATIC PMID: 14966129
  16. Deficiency in AICAR transformylase is associated with severe neurological defects and congenital blindness PMID: 15114530
  17. Polymorphisms of reduced folate carrier,aminoimidazole carboxamide ribonucleotide transformylase,and thymidylate synthase genes contribute to the therapeutic response in rheumatoid arthritis patients to methotrexate. PMID: 15457444
  18. AS160 is a common target of insulin, IGF-1, EGF, PMA and AICAR, these stimuli induce distinctive patterns of phosphorylation and 14-3-3 binding, mediated by at least four protein kinases. PMID: 17617058

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Involvement in disease
AICAR transformylase/IMP cyclohydrolase deficiency (AICAR)
Protein Families
PurH family
Tissue Specificity
Present in the heart, brain, placenta, lung, liver, skeletal muscle, kidney, pancreas.
Database Links

HGNC: 794

OMIM: 601731

KEGG: hsa:471

STRING: 9606.ENSP00000236959

UniGene: Hs.90280

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