2. Recombinant Proteins
  3. Enzymes & Regulators
  4. Protease Inhibitors
  5. Cystatin Family

Cystatin Family

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Cat. No. Product Name / Synonyms Species Source
  • HY-P72966
    Cystatin C/CST3 Protein, Mouse (HEK293, His)

    Cystatin-C; Cystatin-3; Cst3

    		Mouse HEK293
    Cystatin C (CST3), an inhibitor of cysteine proteinases, acts as a local regulator, playing a vital role in modulating proteolytic processes by inhibiting cysteine proteinases within specific cellular environments. Cystatin C/CST3 Protein, Mouse (HEK293, His) is the recombinant mouse-derived Cystatin C/CST3 protein, expressed by HEK293 , with C-His labeled tag. The total length of Cystatin C/CST3 Protein, Mouse (HEK293, His) is 140 a.a., with molecular weight of ~15 & 18 & 21-24 kDa, respectively.
  • HY-P77380
    HPRG Protein, Human (HEK293, His)

    Histidine-rich glycoprotein; HPRG; HRG

    		Human HEK293
    HPRG protein is a multifunctional plasma glycoprotein with the ability to bind multiple ligands, including heme, heparin, thrombospondin, etc. HPRG regulates immune processes, angiogenesis, coagulation, and fibrinolysis through zinc-dependent binding to heparin and glycosaminoglycans. HPRG Protein, Human (HEK293, His) is the recombinant human-derived HPRG protein, expressed by HEK293 , with C-His, C-10*His labeled tag. The total length of HPRG Protein, Human (HEK293, His) is 507 a.a., with molecular weight of 75-80 kDa.
  • HY-P73267
    Kininogen-1 Protein, Mouse (HEK293, His)

    Kininogen-1; HMWK; KNG1; BDK; KNG

    		Mouse HEK293
    Together with endopeptidase inhibitor, protease, and signaling receptor binding activities, the Kininogen-1 protein is predicted to play a critical role in antimicrobial response, coagulation regulation, and control of endopeptidase activity.Kininogen-1 is located in the collagen-containing matrix and shows biased expression, particularly in the liver at embryonic (E18) and adult stages (RPKM 646.0 and 179.1).Kininogen-1 Protein, Mouse (HEK293, His) is the recombinant mouse-derived Kininogen-1 protein, expressed by HEK293 , with C-His labeled tag.
  • HY-P7868
    Cystatin A/CSTA Protein, Human (His)

    rHuCystatin-A, His; Cystatin-A; Cystatin-AS; Stefin-A; CSTA; STF1; STFA

    		Human E. coli
    Cystatin A (CSTA) protein is an intracellular thiol protease inhibitor critical for desmosome-mediated intercellular adhesion, especially in the epidermis. Its role as a protease inhibitor is essential for regulating cellular proteolytic activity. Cystatin A/CSTA Protein, Human (His) is the recombinant human-derived Cystatin A/CSTA protein, expressed by E. coli , with N-6*His labeled tag. The total length of Cystatin A/CSTA Protein, Human (His) is 97 a.a., with molecular weight of ~14.0 kDa.
  • HY-P7867
    Cystatin SN/CST1 Protein, Human (HEK293, His)

    rHuCystatin-SN/CST1, His; Cystatin-SN; Cystain-SA-I; Cystatin-1; Salivary Cystatin-SA-1; CST1

    		Human HEK293
    Cystatin SN (CST1) is a component of human saliva that is immunologically similar to cystatin S but exhibits distinct specificity due to sequence variation. Cystatin SN has an isoelectric point of 7.5 and is a potent inhibitor of papain and dipeptidyl peptidase I, superior to Cystatin S in these activities. Cystatin SN/CST1 Protein, Human (HEK293, His) is the recombinant human-derived Cystatin SN/CST1 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Cystatin SN/CST1 Protein, Human (HEK293, His) is 121 a.a., with molecular weight of ~17.0 kDa.
  • HY-P7865
    Cystatin C/CST3 Protein, Human (HEK293, His)

    rHuCystatin-C/CST3, His; Cystatin-C; Cystatin-3; Gamma-trace; Neuroendocrine basic polypeptide; Post-gamma-globulin; CST3

    		Human HEK293
    Cystatin C/CST3 protein can significantly inhibit cysteine proteases and locally regulate their enzymatic activity. It captures and binds free plasma hemoglobin, preventing kidney damage and supporting hepatic heme iron recycling. Cystatin C/CST3 Protein, Human (HEK293, His) is the recombinant human-derived Cystatin C/CST3 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Cystatin C/CST3 Protein, Human (HEK293, His) is 120 a.a., with molecular weight of 15-18 kDa.
  • HY-P70062
    Cystatin M/CST6 Protein, Human (HEK293, His)

    rHuCystatin-M/CST6, His; Cystatin-M; Cystatin-6; Cystatin-E; CST6

    		Human HEK293
    Cystatin M/CST6 protein is a potent inhibitor of cathepsin L, cathepsin L2 (cathepsin V) and Legumain, regulating important proteolytic processes. It actively participates in epidermal keratinization and affects the formation of the skin barrier. Cystatin M/CST6 Protein, Human (HEK293, His) is the recombinant human-derived Cystatin M/CST6 protein, expressed by HEK293 , with C-6*His labeled tag.
  • HY-P70956
    Kininogen-1 Protein, Human (409a.a, HEK293, His)

    Kininogen-1; lpha-2-Thiol Proteinase Inhibitor; Fitzgerald Factor; High Molecular Weight Kininogen; HMWK; Williams-Fitzgerald-Flaujeac Factor; KNG1; BDK; KNG

    		Human HEK293
    Kininogen-1 is a key regulator in the coagulation process, inhibiting thiol proteases and strategically targeting prekallikrein and factor XI for coagulation regulation. HMW-kininogen prevents thrombin and plasmin-induced platelet aggregation and aids in hemostasis. Kininogen-1 Protein, Human (409a.a, HEK293, His) is the recombinant human-derived Kininogen-1 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Kininogen-1 Protein, Human (409a.a, HEK293, His) is 409 a.a., with molecular weight of ~63.0 kDa.
  • HY-P72688
    Cystatin C/CST3 Protein, Human (HEK293)

    Cystatin-C; Cystatin-3; CST3

    		Human HEK293
    Cystatin C/CST3 protein can significantly inhibit cysteine proteases and locally regulate their enzymatic activity. It captures and binds free plasma hemoglobin, preventing kidney damage and supporting hepatic heme iron recycling. Cystatin C/CST3 Protein, Human (HEK293) is the recombinant human-derived Cystatin C/CST3 protein, expressed by HEK293 , with tag free. The total length of Cystatin C/CST3 Protein, Human (HEK293) is 120 a.a., with molecular weight of ~15 kDa.
  • HY-P72965
    Cystatin B/CSTB Protein, Human (His)

    Cystatin B; CSTB; Stefin B; EPM1

    		Human E. coli
    Cystatin B (CSTB) Protein is a member of the cystatin family. Cystatin B/CSTB Protein, Human (His) is the recombinant human-derived Cystatin B/CSTB protein, expressed by E. coli , with N-His labeled tag. The total length of Cystatin B/CSTB Protein, Human (His) is 97 a.a., with molecular weight of ~15 kDa.
  • HY-P74209
    Cystatin C/CST3 Protein, Rat (HEK293, His)

    Cystatin-C; Cystatin-3; Cst3

    		Rat HEK293
    Cystatin C/CST3 protein is a vital regulator of cysteine proteinases, inhibiting enzymes like cathepsin B, H, and L to ensure proper enzyme activity.Its role as a local regulator underscores its significance in various biological processes.Cystatin C/CST3 Protein, Rat (HEK293, His) is the recombinant rat-derived Cystatin C/CST3 protein, expressed by HEK293 , with C-His labeled tag.
  • HY-P7851
    Cystatin F/CST7 Protein, Human (HEK293, His)

    rHuCystatin-F/CST7, His; Cystatin-F; Cystatin-7; Cystatin-Like Metastasis-Associated Protein; CMAP; Leukocystatin; CST7

    		Human HEK293
    Cystatin F/CST7 is a protein that acts as an inhibitor of papain and cathepsin L, but with lower affinity than other cystatins. It plays a potential role in immunomodulation by targeting specific components within the hematopoietic system. Cystatin F/CST7 Protein, Human (HEK293, His) is the recombinant human-derived Cystatin F/CST7 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Cystatin F/CST7 Protein, Human (HEK293, His) is 126 a.a., with molecular weight of 19-25 kDa.
  • HY-P7866
    Cystatin S/CST4 Protein, Human (HEK293, His)

    rHuCystatin-S/CST4, His; Cystatin-S; Cystatin-4; Cystatin-SA-III; Salivary Acidic Protein 1; CST4

    		Human HEK293
    Cystatin S (CST4) protein strongly inhibits papain and ficin, showing potent inhibition. Although it partially inhibits stem bromelain and bovine cathepsin C, it does not block the activity of porcine cathepsin B or clostridial protease. Cystatin S/CST4 Protein, Human (HEK293, His) is the recombinant human-derived Cystatin S/CST4 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Cystatin S/CST4 Protein, Human (HEK293, His) is 121 a.a., with molecular weight of ~16.0 kDa.
  • HY-P73266
    Kininogen-1 Protein, Human (626a.a, HEK293, His)

    Kininogen-1; HMWK; KNG1; BDK; KNG

    		Human HEK293
    Kininogen-1 protein undergoes alternative splicing, producing high molecular weight kininogen (HMWK) and low molecular weight kininogen (LMWK). HMWK is essential for coagulation, assembly of the kallikrein-kinin system, and release of the antimicrobial bradykinin. Kininogen-1 Protein, Human (626a.a, HEK293, His) is the recombinant human-derived Kininogen-1 protein, expressed by HEK293 , with C-His labeled tag. The total length of Kininogen-1 Protein, Human (626a.a, HEK293, His) is 626 a.a., with molecular weight of 100-110 kDa.
  • HY-P77381
    HPRG Protein, Rat (HEK293, His)

    Histidine-rich glycoprotein; HPRG; HRG

    		Rat HEK293
    Heparin-binding protein (HPRG) is a versatile plasma glycoprotein regulating immune processes, cell adhesion, and angiogenesis. It binds ligands like heparin and thrombospondins, modulates phagocytosis, and interacts with proteins including HPSE, TMP1, and PLG, influencing diverse cellular functions. HPRG Protein, Rat (HEK293, His) is the recombinant rat-derived HPRG protein, expressed by HEK293 , with C-His labeled tag.
  • HY-P7853
    Cystatin F/CST7 Protein, Mouse (HEK293, His)

    rMuCystatin-F/CST7, His; Cystatin-F; Cystatin-like Metastasis-Associated Protein; Leukocystatin; CMAP; Cystatin-7; Cst7;

    		Mouse HEK293
    Cystatin F/CST7 Protein inhibits papain and cathepsin L, showing lower affinities compared to other cystatins. Notably, its distinct feature is its potential role in immune regulation, inhibiting a unique target within the hematopoietic system. This specialization implies Cystatin F/CST7's involvement in modulating immune responses within the complex regulatory network of hematopoiesis. Cystatin F/CST7 Protein, Mouse (HEK293, His) is the recombinant mouse-derived Cystatin F/CST7 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Cystatin F/CST7 Protein, Mouse (HEK293, His) is 126 a.a., with molecular weight of ~18.0 kDa.
  • HY-P7891
    Cystatin SA/CST2 Protein, Human (HEK293, His)

    rHuCystatin-SA/CST2, His ; Cystatin-SA; Cystatin-2; Cystatin-S5; CST2

    		Human HEK293
    Cystatin SA/CST2 Protein, Human (HEK 293, His) is a recombinant cystatin SA/CST2 protein with His tag. Human salivary cystatin SA exhibits antimicrobial effect against Aggregatibacter actinomycetemcomitans.
  • HY-P70020
    Cystatin D/CST5 Protein, Human (HEK293, His)

    rHuCystatin-D/CST5, His; Cystatin-D; Cystatin-5; CST5

    		Human HEK293
    Cystatin D (CST5), a cysteine proteinase inhibitor, potentially safeguards against oral cavity proteinases. Exhibiting specificity, it preferentially inhibits cathepsin S, cathepsin H, cathepsin L, and cathepsin B. This nuanced regulation emphasizes Cystatin D's role in modulating specific cysteine proteinases, signifying its importance in proteostasis and potential involvement in oral health. Cystatin D/CST5 Protein, Human (HEK293, His) is the recombinant human-derived Cystatin D/CST5 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Cystatin D/CST5 Protein, Human (HEK293, His) is 122 a.a., with molecular weight of ~15.0 kDa.
  • HY-P70137
    Cystatin B/CSTB Protein, Mouse (His)

    rMuCystatin-B, His; CPI-B; CST6cystatin B (liver thiol proteinase inhibitor)10STFBcystatin-B; CSTB; cystatin B (stefinB); Cystatin B; EPM1; Liver thiol proteinase inhibitor; PME; Stefin B; stefin-B

    		Mouse E. coli
    Cystatin B/CSTB Protein, an intracellular thiol proteinase inhibitor, crucially regulates proteolytic activities within the cell. By inhibiting thiol proteinases, Cystatin B maintains the balance of proteolytic processes, emphasizing its significance in cellular homeostasis. Its inhibitory function underscores involvement in cellular processes requiring precise regulation of proteolytic activity for normal cellular function and integrity. Cystatin B/CSTB Protein, Mouse (His) is the recombinant mouse-derived Cystatin B/CSTB protein, expressed by E. coli , with N-6*His labeled tag. The total length of Cystatin B/CSTB Protein, Mouse (His) is 98 a.a., with molecular weight of ~15.0 kDa.
Cat. No. Product Name Effect Purity