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Enzyme & Proteins

Enzymes are biological molecules that catalyze (i.e., increase the rates of) chemical reactions. In enzymatic reactions, the molecules at the beginning of the process, called substrates, are converted into different molecules, called products. Almost all chemical reactions in a biological cell need enzymes in order to occur at rates sufficient for life. Since enzymes are selective for their substrates and speed up only a few reactions from among many possibilities, the set of enzymes made in a cell determines which metabolic pathways occur in that cell.

Proteins are biochemical compounds consisting of one or more polypeptides typically folded into a globular or fibrous form, facilitating a biological function.
A polypeptide is a single linear polymer chain of amino acids bonded together by peptide bonds between the carboxyl and amino groups of adjacent amino acid residues. The sequence of amino acids in a protein is defined by the sequence of a gene, which is encoded in the genetic code. In general, the genetic code specifies 20 standard amino acids; however, in certain organisms the genetic code can include selenocysteine and—in certain archaea—pyrrolysine. Shortly after or even during synthesis, the residues in a protein are often chemically modified by posttranslational modification, which alters the physical and chemical properties, folding, stability, activity, and ultimately, the function of the proteins. Sometimes proteins have non-peptide groups attached, which can be called prosthetic groups or cofactors. Proteins can also work together to achieve a particular function, and they often associate to form stable protein complexes.

 

AG Scientific can ship FedEx directly to your lab, from small-scale to bulk orders. Our leadership in bulk supply allows us to provide custom product packaging and create multiple product forms. We offer “just in time” delivery, private labeling, and custom formulations for specific research needs.

 

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  1. (+)-Aphidicolin Nigrospora oryzae

    (+)-Aphidicolin Nigrospora oryzae

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    A-1026 38966-21-1 1 mg
    $88.40
    5 mg
    $328.69
    25 mg
    $1,274.50
  2. (-)-Arctiin, Arctium lappa

    (-)-Arctiin, Arctium lappa

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    A-1306 20362-31-6 25 mg
    $61.92
  3. 1-Deoxynojirimycin

    1-Deoxynojirimycin

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    D-1157 19130-96-2 1 mg
    $36.12
    5 mg
    $129.00
  4. 17-AAG

    17-AAG

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    A-1256 75747-14-7 500 ug
    $38.39
    1 mg
    $55.01
    5 mg
    $142.93
  5. 17DMAG

    17DMAG

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    A-1298 467214-20-6 1 mg
    $51.60
    5 mg
    $134.16
  6. 6BIO , GSK-3 Inhibitor

    6BIO , GSK-3 Inhibitor

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    B-1309 667463-62-9 1 mg
    $59.86
    5 mg
    $115.58
    25 mg
    $443.76
  7. 8-Br-cAMP

    8-Br-cAMP

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    B-2173 76939-46-3 5 mg
    $56.76
    25 mg
    $170.28
  8. AEBSF HCl

    AEBSF HCl

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    A-1018 30827-99-7 50 mg
    $41.30
    100 mg
    $58.60
    250 mg
    $146.50
    1 g
    $150.00
    5 g
    $450.00
  9. Amastatin.HCl, Streptomyces sp.

    Amastatin.HCl, Streptomyces sp.

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    A-1432 100938-10-1 1 mg
    $53.66
    5 mg
    $167.18
    10 mg
    $325.00
  10. Annexin V (APC Labelled), Human, Recombinant

    Annexin V (APC Labelled), Human, Recombinant

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    A-1086 20 Tests
    $108.36
    100 Tests
    $312.70
  11. Annexin V (FITC) (human) (recombinant)

    Annexin V (FITC) (human) (recombinant)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    A-1244 100 Tests
    $197.01
    300 Tests
    $431.38
  12. Antiserum to-Caspase-1, (Purified)

    Antiserum to-Caspase-1, (Purified)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1329 100 μg
    $325.08
  13. Beta-Lactamase-Broad Spectrum

    Beta-Lactamase-Broad Spectrum

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    L-2467 1 KU
    $157.90
  14. BIBR 1532

    BIBR 1532

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    B-2377 321674-73-1 10 mg
    $164.09
    50 mg
    $675.96
  15. bpV(phen)

    bpV(phen)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    B-2209 5 mg
    $132.10
  16. Calpain-1, Porcine Erythrocytes

    Calpain-1, Porcine Erythrocytes

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1569 1 mg
    $0.00
  17. Caspase-6, Human, Recombinant, Active

    Caspase-6, Human, Recombinant, Active

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1159 5 ug
    $180.60
  18. Caspase-7, Human Recombinant, Purified

    Caspase-7, Human Recombinant, Purified

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1169 25 U
    $227.04
  19. Caspase-9 (active) (human) (recombinant)

    Caspase-9 (active) (human) (recombinant)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1191 25 U
    $263.16
  20. CP-31398 Dihydrochloride

    CP-31398 Dihydrochloride

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-2270 259199-65-0 5 mg
    $90.82
    25 mg
    $361.20
  21. CRT Inhibitor, iCRT5

    CRT Inhibitor, iCRT5

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-2273 18623-44-4 5 mg
    $85.00
    25 mg
    $320.00
  22. L-1209, D-Luciferin, Sodium Salt, Substrate for firefly luciferase, Structure image

    D-Luciferin, Sodium Salt

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    L-1209 103404-75-7 100 mg
    $67.08
    250 mg
    $154.80
    1 g
    $464.40
  23. Diaphorase NADH flavoprotein oxidizing NADPH to NADP+

    Diaphorase NADH

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    N-1181 9001-18-7 1 KU
    $237.36
  24. Dithiothreitol, DTT

    Dithiothreitol, DTT

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1029 3483-12-3 5 g
    $85.70
    10 g
    $143.50
    100 g
    $541.80
    1 kg
    $2,167.20
  25. Elastatinal

    Elastatinal

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    E-2044 51798-45-9 5 mg
    $72.25
    25 mg
    $294.10
  26. Fas (human):Fc (human) (rec) , CD95:Fc (Human) (Rec.)

    Fas (human):Fc (human) (rec) , CD95:Fc (Human) (Rec.)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1068 50 ug
    $366.36
  27. Fas Ligand, Soluble (Human) (Rec.)

    Fas Ligand, Soluble (Human) (Rec.)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1072 10 μg
    $216.72
  28. Fas Ligand, Soluble (Human) (Rec.) Set

    Fas Ligand, Soluble (Human) (Rec.) Set

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1074 1 Set
    $490.20
  29. Fas Ligand, Soluble (Human) ELISA Kit

    Fas Ligand, Soluble (Human) ELISA Kit

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1076 1 Kit
    $660.48
  30. Geldanamycin | CAS [30562-34-6] | binds HSP90 | anti-tumor activity | A.G.Scientific, binds to Hsp90 (Heat Shock Protein 90) and exhibits potent antitumor activity

    Geldanamycin

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    G-1047 30562-34-6 500 ug
    $41.30
    1 mg
    $56.75
    5 mg
    $170.30
    10 mg
    $201.25
  31. CLEAVAGE SITE- AKA PreScission Site- Cleaves Gln and Gly, Human rhinovirus 3C protease (HRV 3C Protease) is a cysteine protease that recognizes the cleavage site of Leu-Glu-Val-Leu-Phe-Gln-Gly-Pro, commonly referred to as the PreScission Site

    HRV 3C Protease,Cysteine Protease, PreScission Site

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    H-1192 1 mg
    $242.00
    10 mg
    $1,857.60
  32. Lactate Oxidase | Biological enzymes |  enzymatic determination of L-lactate

    Lactate Oxidase

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    L-1175 9028-72-2 1 KU
    $319.92
  33. Monoclonal Antibody to-Annexin V (Human) (VAA-33)

    Monoclonal Antibody to-Annexin V (Human) (VAA-33)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    M-1070 100 μg
    $283.80
    FITC 100 ug
    $319.92
    Biotin 100 ug
    $319.92
  34. Monoclonal Antibody to-Fas Ligand (Human) (2C101)

    Monoclonal Antibody to-Fas Ligand (Human) (2C101)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1102 Purified 100
    $433.44
  35. Monoclonal Antibody to-Fas Ligand (Human) (5G51)

    Monoclonal Antibody to-Fas Ligand (Human) (5G51)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1100 Purified 100 ug
    $435.50
  36. Monoclonal Antibody to-Fas Ligand (Human) (Mike-2)

    Monoclonal Antibody to-Fas Ligand (Human) (Mike-2)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1098 Purified 100 ug
    $338.50
  37. Monoclonal Antibody to-Fas Ligand (Mouse) (3C82)

    Monoclonal Antibody to-Fas Ligand (Mouse) (3C82)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1104 Purified 100 ug
    $433.44
  38. Monoclonal Antibody to-Fas Ligand (Mouse) (A11)

    Monoclonal Antibody to-Fas Ligand (Mouse) (A11)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1092 Purified 100 ug
    $319.92
  39. Monoclonal Antibody to-Fas [CD95] (Human) (APO-1-1)

    Monoclonal Antibody to-Fas [CD95] (Human) (APO-1-1)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1080 Purified 100 ug
    $288.96
    FITC 100 ug
    $319.92
    Biotin 100 ug
    $345.72
  40. Monoclonal Antibody to-Fas [CD95] (Human) (APO-1-3)

    Monoclonal Antibody to-Fas [CD95] (Human) (APO-1-3)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1082 Purified 100 ug
    $325.08
  41. Monoclonal Antibody to-Fas [CD95] (Human) (SM1/23)

    Monoclonal Antibody to-Fas [CD95] (Human) (SM1/23)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1086 Purified 100 ug
    $294.12
    Biotin 100 ug
    $329.21
    FITC 100 ug
    $345.72
  42. Monoclonal Antibody to-Fas [CD95] (SM1/1)

    Monoclonal Antibody to-Fas [CD95] (SM1/1)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    F-1084 Purified 100 ug
    $180.60
  43. Mouse Monoclonal Antibody-cdc25c (Clone TC-113)

    Mouse Monoclonal Antibody-cdc25c (Clone TC-113)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1543 100 ug
    $258.00
  44. Mouse Monoclonal Antibody-cdc25c (Clone TC-19)

    Mouse Monoclonal Antibody-cdc25c (Clone TC-19)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1533 100 ug
    $258.00
  45. Mouse Monoclonal Antibody-cdc6 (Clone 6-36)

    Mouse Monoclonal Antibody-cdc6 (Clone 6-36)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1563 100 ug
    $258.00
  46. Mouse Monoclonal Antibody-cdc6 (Clone 6-37)

    Mouse Monoclonal Antibody-cdc6 (Clone 6-37)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    C-1541 100 ug
    $258.00
  47. Mouse Monoclonal Antibody-Glial Fibrillary Acidic Protein (GFAP) (2A5) | Rat neuron/glia cultures stained with mouse monoclonal to GFAP

    Mouse Monoclonal Antibody-Glial Fibrillary Acidic Protein (GFAP) (2A5)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    G-1245 200 ul
    $258.00
  48. Mouse Monoclonal Antibody-Neurofilament Alpha-Internexin/NF66 (1D2)

    Mouse Monoclonal Antibody-Neurofilament Alpha-Internexin/NF66 (1D2)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    N-1211 200 ul
    $258.00
  49. Mouse Monoclonal Antibody-Neurofilament Alpha-Internexin/NF66 (2E3)

    Mouse Monoclonal Antibody-Neurofilament Alpha-Internexin/NF66 (2E3)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    I-1330 200 ul
    $258.00
  50. Mouse Monoclonal Antibody-Neurofilament NF-H (Phosphorylated NAP4)

    Mouse Monoclonal Antibody-Neurofilament NF-H (Phosphorylated NAP4)

    PRODUCT # CAS # SIZE PRICE QUANTITY BUY NOW
    N-1201 100 ul
    $258.00
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