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(chǎn)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(fù)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(zhì)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.
May be involved in sodium-dependent transport of neutral amino acids or oligopeptides.
基因功能參考文獻:
the expression of KX is critical to normal morphology, and null mutations are associated with the McLeod neuroacanthocytosis syndrome. PMID: 26308465
The XK gene was not linked to hypermutability in red cells from patients with paroxysmal nocturnal hemoglobinuria. PMID: 24816235
study reports the clinical findings and a novel nonsense hemizygous mutation, c.154C>T (p.Gln52X) at exon 1 of XK gene in a Taiwanese family with McLeod syndrome PMID: 24635891
Novel XK protein mutations are reported in two patients who exhibit typical clinical characteristics of McLeod syndrome. PMID: 21463873
This study identified one non-synonymous and one intron variant in mood disorder and schizophrenia subjects, respectively, in XK. PMID: 21145924
In human cortex, the results show expression of XK in cortical neurons with an apparent cytoplasmic localization. PMID: 17379193
Sequence analysis demonstrated a 5 bp deletion in exon 2 of the XK gene in McLeod syndrome. PMID: 17469188
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McLeod syndrome (MLS)
亞細胞定位:
Cell membrane; Multi-pass membrane protein.
蛋白家族:
XK family
組織特異性:
High levels in skeletal muscle, heart, brain, and pancreas; low levels in placenta, lung, liver, and kidney.