Recombinant Calumenin (CALU) 

鈣腔蛋白(CALU)重組蛋白

[ PROPERTIES ]

Residues: Lys20~Phe315

Tags: Two N-terminal Tags, His-tag and T7-tag

Accession: O43852

Host: E. coli

Subcellular Location: Endoplasmic reticulumlumen. Secreted. Melanosome. Sarcoplasmicreticulum lumen.

Purity: >95%

Endotoxin Level: <1.0EU per 1μg

(determined by the LAL method).

Formulation: Supplied as lyophilized form in 20mM Tris,150mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT,0.01% sarcosyl, 5% trehalose, and preservative.

Predicted isoelectric point: 4.7

Predicted Molecular Mass: 38.8kDa

Accurate Molecular Mass: 49kDa as determined by SDS-PAGE reducingconditions.

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

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

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 fromthe samegene.

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 cleavedtogive the active form.

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

[ USAGE ]

Reconstitute in sterile ddH₂O.

[ STORAGE AND STABILITY ]

Storage: Avoid repeated freeze/thaw cycles.

           Store at 2-8oC for one month.

           Aliquot and store at -80oC for 12 months.

Stability Test: The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.

[SEQUENCE ]

The sequence of the target protein is listed below.

K PTEKKDRVHH EPQLSDKVHN DAQSFDYDHD AFLGAEEAKT FDQLTPEESK ERLGKIVSKIDG DK DG F VT V DE LK DWIK FA QK RWIY E DV E RQWK G H D L NE DG LVSWE E YKNATYGYVLDD PDPDDGFNYK QMMVRDERRF KMADKDGDLI ATKEEFTAFL HPEEYDYMKDIVVQETMEDI DKNADGFIDL EEYIGDMYSH DGNTDEPEWV KTEREQFVEF RDKNRDGKMDKEETKDWILP SDYDHAEAEA RHLVYESDQN KDGKLTKEEI VDKYDLFVGS QATDFGEALVRHDEF

[  IDENTIFICATION  ]

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