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.
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.
產品提供形式:
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.
復溶:
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.
儲存條件:
Store at -20°C/-80°C upon receipt, aliquoting is
necessary for
mutiple use. Avoid repeated freeze-thaw cycles.
保質期:
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.
貨期:
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.
注意事項:
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Cytidylyltransferase required for protein O-linked mannosylation. Catalyzes the formation of CDP-ribitol nucleotide sugar from D-ribitol 5-phosphate. CDP-ribitol is a substrate of FKTN during the biosynthesis of the phosphorylated O-mannosyl trisaccharide (N-acetylgalactosamine-beta-3-N-acetylglucosamine-beta-4-(phosphate-6-)mannose), a carbohydrate structure present in alpha-dystroglycan (DAG1), which is required for binding laminin G-like domain-containing extracellular proteins with high affinity. Shows activity toward other pentose phosphate sugars and mediates formation of CDP-ribulose or CDP-ribose using CTP and ribulose-5-phosphate or ribose-5-phosphate, respectively. Not Involved in dolichol production.
基因功能參考文獻:
ISPD and FKTN are essential for the incorporation of ribitol into alpha-dystroglycan. PMID: 27194101
data suggest that the genetic heterogeneity of Limb Girdle Muscular Dystrophy with and without alpha-DG defects is greater than previously realized. PMID: 26404900
ISPD gene homozygous deletion as a prenatal manifestation of Walker-Warburg syndrome has been found in 3 female fetuses of one family. PMID: 26087224
Reduced levels of GYLTL1B and ISPD mRNA associated with increased patient mortality and are the likely cause of alphaDG hypoglycosylation in ccRCC. PMID: 26220087
study describes a new homozygous missense mutation c.367G>A (p.Gly123Arg) in the ISPD gene in a family of Pakistani origin with 2 cousins from consanguineous parents affected with a congenital muscular dystrophy (CMD) /early limb-girdle muscular dystrophy intermediate phenotype and CMD respectively PMID: 25444434
study report the involvement of the ISPD gene in milder dystroglycanopathy phenotypes ranging from congenital muscular dystrophy to limb-girdle muscular dystrophy and identified allelic ISPD variants in nine cases belonging to seven families PMID: 23288328
we identified a novel homozygous c.161G>C/p.G54A variant in ISPD in patients with limb-girdle muscular dystrophy PMID: 23390185
TMEM5 mutations were frequently associated with gonadal dysgenesis and neural tube defects, and ISPD mutations were frequently associated with brain vascular anomalies. PMID: 23217329
ISPD loss-of-function mutations disrupt dystroglycan O-mannosylation and cause Walker-Warburg syndrome. PMID: 22522420
Mutations in ISPD cause Walker-Warburg syndrome and defective glycosylation of alpha-dystroglycan. PMID: 22522421
Observational study of gene-disease association. (HuGE Navigator) PMID: 19913121
Observational study of gene-disease association, gene-environment interaction, and pharmacogenomic / toxicogenomic. (HuGE Navigator) PMID: 20628086
Clinical trial of gene-disease association and gene-environment interaction. (HuGE Navigator) PMID: 20379614
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Muscular dystrophy-dystroglycanopathy congenital with brain and eye anomalies A7 (MDDGA7); Muscular dystrophy-dystroglycanopathy limb-girdle C7 (MDDGC7)