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Papain

Index Papain

Papain, also known as papaya proteinase I, is a cysteine protease enzyme present in papaya (Carica papaya) and mountain papaya (Vasconcellea cundinamarcensis). [1]

61 relations: Active site, Agglutination (biology), Alanine, Aminopeptidase, Antibody, Arginine, Baculoviridae, Bromelain, Cannabinoid, Catalytic triad, Cathepsin B, Cathepsin C, Cathepsin F, Cathepsin K, Cathepsin L1, Cathepsin L2, Cathepsin O, Cathepsin S, Cathepsin W, Cathepsin Z, Cell culture, Center for Drug Evaluation and Research, Chymotrypsin, Cognizant, Cysteine protease, Debridement, Dental drill, Dentin, Dipeptidyl peptidase, Disulfide, Endopeptidase, Enzyme, Food and Drug Administration, Fragment antigen-binding, Fragment crystallizable region, Human eye, Imidazole, Isoleucine, Janet Woodcock, Latex, Leucine, Lysine, Lysis, MEROPS, Mountain papaya, Nucleophile, Opsonin, Papain, Papaya, Pasteur pipette, ..., Peptide bond, Phenylalanine, Protein domain, Protein precipitation, Protein precursor, Serine protease, Tooth decay, Tryptophan, Tyrosine, Valine, Zymogen. Expand index (11 more) »

Active site

In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction.

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Agglutination (biology)

Agglutination is the clumping of particles.

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Alanine

Alanine (symbol Ala or A) is an α-amino acid that is used in the biosynthesis of proteins.

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Aminopeptidase

Aminopeptidases are enzymes that catalyze the cleavage of amino acids from the amino terminus (N-terminus) of proteins or peptides.

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Antibody

An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to neutralize pathogens such as pathogenic bacteria and viruses.

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Arginine

Arginine (symbol Arg or R) is an α-amino acid that is used in the biosynthesis of proteins.

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Baculoviridae

Baculoviridae is a family of viruses.

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Bromelain

Bromelain is an enzyme extract derived from the stems of pineapples, although it exists in all parts of the fresh plant and fruit.

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Cannabinoid

A cannabinoid is one of a class of diverse chemical compounds that acts on cannabinoid receptors in cells that alter neurotransmitter release in the brain.

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Catalytic triad

A catalytic triad is a set of three coordinated amino acids that can be found in the active site of some enzymes.

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Cathepsin B

Cathepsin B is in humans encoded by the CTSB gene.

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Cathepsin C

Cathepsin C (CTSC) also known as dipeptidyl peptidase I (DPP-I) is a lysosomal exo-cysteine protease belonging to the peptidase C1 family.

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Cathepsin F

Cathepsin F is a protein that in humans is encoded by the CTSF gene.

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Cathepsin K

Cathepsin K, abbreviated CTSK, is an enzyme that in humans is encoded by the CTSK gene.

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Cathepsin L1

Cathepsin L1 is a protein that in humans is encoded by the CTSL1 gene.

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Cathepsin L2

Cathepsin L2, also known as cathepsin V and encoded by the CTSL2 gene, is a human gene.

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Cathepsin O

Cathepsin O is an enzyme that in humans is encoded by the CTSO gene.

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Cathepsin S

Cathepsin S is a protein that in humans is encoded by the CTSS gene.

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Cathepsin W

Cathepsin W is a protein that in humans is encoded by the CTSW gene.

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Cathepsin Z

Cathepsin Z, also called cathepsin X or cathepsin P, is a protein that in humans is encoded by the CTSZ gene.

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Cell culture

Cell culture is the process by which cells are grown under controlled conditions, generally outside their natural environment.

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Center for Drug Evaluation and Research

The Center for Drug Evaluation and Research (CDER, pronounced "see'-der") is a division of the U.S. Food and Drug Administration (FDA) that monitors most drugs as defined in the Food, Drug, and Cosmetic Act.

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Chymotrypsin

Chymotrypsin (chymotrypsins A and B, alpha-chymar ophth, avazyme, chymar, chymotest, enzeon, quimar, quimotrase, alpha-chymar, alpha-chymotrypsin A, alpha-chymotrypsin) is a digestive enzyme component of pancreatic juice acting in the duodenum, where it performs proteolysis, the breakdown of proteins and polypeptides.

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Cognizant

Cognizant is a multinational corporation that provides IT services, including digital, technology, consulting, and operations services.

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Cysteine protease

Cysteine proteases, also known as thiol proteases, are enzymes that degrade proteins.

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Debridement

Debridement is the medical removal of dead, damaged, or infected tissue to improve the healing potential of the remaining healthy tissue.

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Dental drill

A dental drill or handpiece is a hand-held, mechanical instrument used to perform a variety of common dental procedures, including removing decay, polishing fillings, and altering prostheses.

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Dentin

Dentin (American English) or dentine (British English) (substantia eburnea) is a calcified tissue of the body and, along with enamel, cementum, and pulp, is one of the four major components of teeth.

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Dipeptidyl peptidase

Dipeptidyl peptidase is a type of enzyme classified under EC 3.4.14.

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Disulfide

In chemistry, a disulfide refers to a functional group with the structure R−S−S−R′.

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Endopeptidase

Endopeptidase or endoproteinase are proteolytic peptidases that break peptide bonds of nonterminal amino acids (i.e. within the molecule), in contrast to exopeptidases, which break peptide bonds from end-pieces of terminal amino acids.

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Enzyme

Enzymes are macromolecular biological catalysts.

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Food and Drug Administration

The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.

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Fragment antigen-binding

The antigen-binding (Fab) fragment is a region on an antibody that binds to antigens.

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Fragment crystallizable region

The fragment crystallizable region (Fc region) is the tail region of an antibody that interacts with cell surface receptors called Fc receptors and some proteins of the complement system.

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Human eye

The human eye is an organ which reacts to light and pressure.

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Imidazole

Imidazole is an organic compound with the formula C3N2H4.

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Isoleucine

Isoleucine (symbol Ile or I) is an α-amino acid that is used in the biosynthesis of proteins.

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Janet Woodcock

Janet Woodcock is an American doctor and the current director of the Center for Drug Evaluation and Research.

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Latex

Latex is a stable dispersion (emulsion) of polymer microparticles in an aqueous medium.

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Leucine

Leucine (symbol Leu or L) is an essential amino acid that is used in the biosynthesis of proteins.

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Lysine

Lysine (symbol Lys or K) is an α-amino acid that is used in the biosynthesis of proteins.

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Lysis

Lysis (Greek λύσις lýsis, "a loosing" from λύειν lýein, "to unbind") refers to the breaking down of the membrane of a cell, often by viral, enzymic, or osmotic (that is, "lytic") mechanisms that compromise its integrity.

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MEROPS

MEROPS is an on-line database for peptidases (also known as proteases, proteinases and proteolytic enzymes) and their inhibitors.

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Mountain papaya

The mountain papaya (Vasconcellea pubescens) also known as mountain pawpaw, papayuelo, chamburo, or simply "papaya" is a species of the genus Vasconcellea, native to the Andes of northwestern South America from Colombia south to central Chile, typically growing at altitudes of m. It has also been known as Carica pubescens.

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Nucleophile

Nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in relation to a reaction.

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Opsonin

An opsonin (from the Greek opsōneîn, to prepare for eating) is any molecule that enhances phagocytosis by marking an antigen for an immune response or marking dead cells for recycling (i.e., causes the phagocyte to "relish" the marked cell).

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Papain

Papain, also known as papaya proteinase I, is a cysteine protease enzyme present in papaya (Carica papaya) and mountain papaya (Vasconcellea cundinamarcensis).

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Papaya

The papaya (from Carib via Spanish), papaw, or pawpaw is the plant Carica papaya, one of the 22 accepted species in the genus Carica of the family Caricaceae.

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Pasteur pipette

Pasteur pipettes, also known as droppers or eye droppers, are used to transfer small quantities of liquids.

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Peptide bond

A peptide bond is a covalent chemical bond linking two consecutive amino acid monomers along a peptide or protein chain.

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Phenylalanine

Phenylalanine (symbol Phe or F) is an α-amino acid with the formula.

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Protein domain

A protein domain is a conserved part of a given protein sequence and (tertiary) structure that can evolve, function, and exist independently of the rest of the protein chain.

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Protein precipitation

Protein precipitation is widely used in downstream processing of biological products in order to concentrate proteins and purify them from various contaminants.

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Protein precursor

A protein precursor, also called a pro-protein or pro-peptide, is an inactive protein (or peptide) that can be turned into an active form by post-translational modification, such as breaking off a piece of the molecule or adding on another molecule.

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Serine protease

Serine proteases (or serine endopeptidases) are enzymes that cleave peptide bonds in proteins, in which serine serves as the nucleophilic amino acid at the (enzyme's) active site.

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Tooth decay

Tooth decay, also known as dental caries or cavities, is a breakdown of teeth due to acids made by bacteria.

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Tryptophan

Tryptophan (symbol Trp or W) is an α-amino acid that is used in the biosynthesis of proteins.

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Tyrosine

Tyrosine (symbol Tyr or Y) or 4-hydroxyphenylalanine is one of the 20 standard amino acids that are used by cells to synthesize proteins.

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Valine

Valine (symbol Val or V) is an α-amino acid that is used in the biosynthesis of proteins.

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Zymogen

A zymogen, also called a proenzyme, is an inactive precursor of an enzyme.

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Redirects here:

Accuzyme, EC 3.4.22.2, Papaya proteinase I.

References

[1] https://en.wikipedia.org/wiki/Papain

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