E选择素重组蛋白

Recombinant E-selectin

CD62E; CD62-E; E-Selectin; ELAM; ELAM1; ESEL; SEL-E; E-LAM; E-LAM1; E-SEL; LECAM2; Endothelial Leukocyte Adhesion Molecule 1; CD62 Antigen-Like Family Member E

[ PROPERTIES ]

Host: E.coli

Residues:  Glu260~Cys420, with two N-terminal Tags, His-tag and GST-tag.

Subcellular Location:  Membrane; Single-pass type I membrane protein.

Purity: >95% 

Endotoxin Level: <1.0EU per 1μg (determined by the LAL method).

formulation: Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl.

Applications: SDS-PAGE; WB; ELISA; IP.

(May be suitable for use in other assays to be determined by the end user.)

Predicted isoelectric point: 5.9

Predicted Molecular Mass: 49.1kDa

Accurate Molecular Mass: 54kDa as determined by SDS-PAGE reducing conditions.

Note: The possible reasons that the actual band size differs from the predicted are as follows:

1.Splice variants: Alternative splicing may create different sized proteins from the same gene.

2. Relative charge: The composition of amino acids may affects the charge of the protein.

3. Post-translational modification: Phosphorylation, glycosylation, methylation etc.

4. Post-translation cleavage: Many proteins are synthesized as pro-proteins, and then cleavedto give the active form.

5. Polymerization of the target protein: Dimerization, multimerization etc.

[ USAGE ]

Reconstitute in sterile PBS, pH7.2-pH7.4.

[ STORAGE AND STABILITY ]

Storage:Avoid repeated freeze/thaw cycles.

Store at 2-8°C for one month.

Aliquot and store at -80°C for 12 months.

Stability Test: 

The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.

[ SEQUENCES ]

The target protein is fused with two N-terminal Tags, His-tag and GST-tag, itssequence is listed below. 

MSPILGYWKI KGLVQPTRLL LEYLEEKYEE HLYERDEGDK WRNKKFELGL EFPNLPYYIDGDVKLTQSMA IIRYIADKHN MLGGCPKERA EISMLEGAVL DIRYGVSRIA YSKDFETLKVDFLSKLPEML KMFEDRLCHK TYLNGDHVTH PDFMLYDALD VVLYMDPMCL DAFPKLVCFKKRIEAIPQID KYLKSSKYIA WPLQGWQATF GGGDHPPKSD GSTSGSGHHH HHHSAGLVPRGS TAI GMK E T AA AK FE RQ HM DSP D LG T LE V LFQ GP L GS E F -E FAYK ST CH F TCAEGFGLQGP AQIECTAQGQ WTQQAPVCKA VKCPAVSQPK NGLVKFTHSP TGEFTYKSSCAF S CE EG F E L RGS A Q LA C TS QG QW TQE VP S CQV VQ CS S L E VP REI NMS CSGEPVFGAVCT FACPEGWMLN GSVALTCGAT GHWSGMLPTC

[ IDENTIFICATION ]

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