Cystatin B (CSTB)

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Cys-B; CST6; EPM1; PME; STFB; CPI-B; Stefin B; Liver thiol proteinase inhibitor

Cystatin B (CSTB)
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. There are three inhibitory families in the superfamily, including the type 1 cystatins (stefins), type 2 cystatins and kininogens.
CysB encodes a stefin that functions as an intracellular thiol protease inhibitor. The protein is able to form a dimer stabilized by noncovalent forces, inhibiting papain and cathepsins l, h and b. The protein is thought to play a role in protecting against the proteases leaking from lysosomes. Evidence indicates that mutations in this gene are responsible for the primary defects in patients with progressive myoclonic epilepsy (EPM1).

Organism species: Homo sapiens (Human)

CATALOG NO. PRODUCT NAME APPLICATIONS
Proteins RPJ322Hu01 Recombinant Cystatin B (CSTB) Positive Control; Immunogen; SDS-PAGE; WB.
Antibodies PAJ322Hu01 Polyclonal Antibody to Cystatin B (CSTB) WB;IHC;ICC/IF;FCM
MAJ322Hu21 Monoclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC; IP.
Assay Kits SEJ322Hu ELISA Kit for Cystatin B (CSTB) Enzyme-linked immunosorbent assay for Antigen Detection.

Organism species: Mus musculus (Mouse)

CATALOG NO. PRODUCT NAME APPLICATIONS
Proteins RPJ322Mu01 Recombinant Cystatin B (CSTB) Positive Control; Immunogen; SDS-PAGE; WB.
Antibodies PAJ322Mu01 Polyclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC; IP.
LAJ322Mu71 Biotin-Linked Polyclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC.
Assay Kits n/a CLIA Kit for Cystatin B (CSTB) CLIA Kit Customized Service Offer
n/a ELISA Kit for Cystatin B (CSTB) ELISA Kit Customized Service Offer

Organism species: Rattus norvegicus (Rat)

CATALOG NO. PRODUCT NAME APPLICATIONS
Proteins RPJ322Ra01 Recombinant Cystatin B (CSTB) Positive Control; Immunogen; SDS-PAGE; WB.
Antibodies PAJ322Ra01 Polyclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC; IP.
LAJ322Ra71 Biotin-Linked Polyclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC.
MAJ322Ra21 Monoclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC; IP.
MAJ322Ra24 Monoclonal Antibody to Cystatin B (CSTB) WB
LAJ322Ra74 Biotin-Linked Monoclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC.
MAJ322Ra26 Monoclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC; IP.
MAJ322Ra22 Monoclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC; IP.
Assay Kits SEJ322Ra ELISA Kit for Cystatin B (CSTB) Enzyme-linked immunosorbent assay for Antigen Detection.

Organism species: Bos taurus; Bovine (Cattle)

CATALOG NO. PRODUCT NAME APPLICATIONS
Proteins RPJ322Bo01 Recombinant Cystatin B (CSTB) Positive Control; Immunogen; SDS-PAGE; WB.
Antibodies PAJ322Bo01 Polyclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC; IP.
LAJ322Bo71 Biotin-Linked Polyclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC.
LAJ322Bo81 FITC-Linked Polyclonal Antibody to Cystatin B (CSTB) WB; IHC; ICC; IF.
Assay Kits n/a CLIA Kit for Cystatin B (CSTB) CLIA Kit Customized Service Offer
n/a ELISA Kit for Cystatin B (CSTB) ELISA Kit Customized Service Offer
  1. "Amino acid sequence of the intracellular cysteine proteinase inhibitor cystatin B from human liver."Biochem. Biophys. Res. Commun. 131:1187-1192(1985) [PubMed] [Europe PMC] [Abstract]
  2. "Mutations in the gene encoding cystatin B in progressive myoclonus epilepsy (EPM1)."Science 271:1731-1734(1996) [PubMed] [Europe PMC] [Abstract]
  3. "The DNA sequence of human chromosome 21." Nature 405:311-319(2000) [PubMed] [Europe PMC] [Abstract]
  4. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
  5. "Nuclear localization of cystatin B, the cathepsin inhibitor implicated in myoclonus epilepsy (EPM1)."Exp. Cell Res. 262:84-94(2001) [PubMed] [Europe PMC] [Abstract]
  6. "Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach."Anal. Chem. 81:4493-4501(2009) [PubMed] [Europe PMC] [Abstract]
  7. "Initial characterization of the human central proteome."BMC Syst. Biol. 5:17-17(2011) [PubMed] [Europe PMC] [Abstract]
  8. "Comparative large-scale characterisation of plant vs. mammal proteins reveals similar and idiosyncratic N-alpha acetylation features."Mol. Cell. Proteomics 11:M111.015131-M111.015131(2012) [PubMed] [Europe PMC] [Abstract]
  9. "An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome."J. Proteomics 96:253-262(2014) [PubMed] [Europe PMC] [Abstract]
  10. "The refined 2.4 A X-ray crystal structure of recombinant human stefin B in complex with the cysteine proteinase papain: a novel type of proteinase inhibitor interaction."EMBO J. 9:1939-1947(1990) [PubMed] [Europe PMC] [Abstract]
  11. "Identification of mutations in cystatin B, the gene responsible for the Unverricht-Lundborg type of progressive myoclonus epilepsy (EPM1)."Am. J. Hum. Genet. 60:342-351(1997) [PubMed] [Europe PMC] [Abstract]