CST4 protein (His tag) (80R-2271)
Purified recombinant Human CST4 Protein (His tag)
|Synonyms||CST4, CST-4, CST-4 protein, Salivary acidic protein 1 protein, CST 4, Cystatin S protein, Cystatin 4 protein, CST 4 protein|
Coomassie Blue stained SDS-PAGE of CST4 protein (His tag) (80R-2271)
Figure annotation denotes ug of protein loaded and % gel used.
|Residues||MGSSHHHHHH SSGLVPRGSH MGSMSSSKEE NRIIPGGIYD ADLNDEWVQR ALHFAISEYN KATEDEYYRR PLQVLRAREQ TFGGVNYFFD VEVGRTICTK SQPNLDTCAF HEQPELQKKQ LCSFEIYEVP WEDRMSLVNS RCQEA|
|Purity||> 95% pure|
|Molecular Weight||16.8 kDa|
|Form & Buffer||Supplied in liquid form in 20 mM Tris-HCl buffer, pH8.0, 10% glycerol, 1mM DTT, 50mM NaCl|
Storage & Safety
|Storage||Can be stored at 4 deg C short term (1-2 weeks). For long term storage, aliquot and store at -20 deg C or -70 deg C. Avoid repeated freezing and thawing cycles.|
|Biological Significance||CST4 belongs to the cystatin family. The cystatin superfamily encompasses proteins that contain multiple cystatin-like sequences. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. This protein strongly inhibits papain and ficin, partially inhibits stem bromelain and bovine cathepsin C, but does not inhibit porcine cathepsin B or clostripain. Papain is inhibited non-competitively. Recombinant human CST4 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.|
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