EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

(2S)-2-acetamido-3-(4-hydroxyphenyl)propanoic acid

Supplier Sponsors

CAS Number: 537-55-3Picture of molecule3D/inchi
Other(deleted CASRN):29593-19-9
ECHA EINECS - REACH Pre-Reg:208-671-3
Nikkaji Web:J62.819K
Beilstein Number:2697172
XlogP3:-0.20 (est)
Molecular Weight:223.22841000
Formula:C11 H13 N O4
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:cosmetic ingredient for skin conditioning
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 152.00 to 154.00 °C. @ 760.00 mm Hg
Boiling Point: 530.00 to 533.00 °C. @ 760.00 mm Hg
Flash Point: 527.00 °F. TCC ( 275.00 °C. )
logP (o/w): 1.320
Shelf Life: 6.00 month(s) or longer if stored properly.
Storage:refrigerate in tightly sealed containers.
Soluble in:
 water, 9383 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: skin conditioning
tanning agents
Ajinomoto USA
BOC Sciences
For experimental / research use only.
Acetyl-L-tyrosine ≥99% (Titration)
For experimental / research use only.
Glentham Life Sciences
Graham Chemical
Santa Cruz Biotechnology
For experimental / research use only.
For experimental / research use only.
N-Acetyl-L-tyrosine Pharmaceutical Secondary Standard; Certified Reference Material
United International
N-Acetyl-L-Tyrosine Nat.
Universal Preserv-A-Chem Inc.
Odor: characteristic
Use: This is used commonly as a product in suntan lotions and gels. It is a nonessential amino acid. It is also used as a dietary supplement and is a protein building block. It is used in cosmetics to help the cream penetrate the skin. It is currently undergoing a further FDA study.
Safety Information:
European information :
Most important hazard(s):
Xi - Irritant
R 41 - Risk of serious damage to eyes.
S 02 - Keep out of the reach of children.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
cosmetic ingredient for skin conditioning
Recommendation for acetyl-laevo-tyrosine usage levels up to:
 not for fragrance use.
Recommendation for acetyl-laevo-tyrosine flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
Daily Med:search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):537-55-3
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :68310
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
(2S)-2-acetamido-3-(4-hydroxyphenyl)propanoic acid
 (2S)-2-acetamido-3-(4-hydroxyphenyl)propanoic acid
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):68310
Pubchem (sid):135023991
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
Golm Metabolome Database:Search
KEGG (GenomeNet):C01657
HMDB (The Human Metabolome Database):HMDB00866
FDA Listing of Food Additive Status:View
Potential Blenders and core components note
None Found
Potential Uses:
 biological additives
 skin conditioning
 tanning agents
Occurrence (nature, food, other):note
 not found in nature
(2S)-2-acetamido-3-(4-hydroxyphenyl)propanoic acid
(S)-2-acetamido-3-(4-hydroxyphenyl)propanoic acid
 acetyl tyrosine
(S)-2-acetylamino-3-(4-hydroxy-phenyl)-propionic acid
(2S)-2-acetylamino-3-(4-hydroxyphenyl)propanoic acid
(2S)-2-(acetylamino)-3-(4-hydroxyphenyl)propanoic acid
 tyrosine, N-acetyl-
L-tyrosine, N-acetyl-
 tyrosine, N-acetyl-, L-


PubMed:N-acetyl-l-tyrosine is an intrinsic triggering factor of mitohormesis in stressed animals
PubMed:N-Acetyl-3,5-dibromo-l-tyrosine hemihydrate
PubMed:Electrode Potentials of l-Tryptophan, l-Tyrosine, 3-Nitro-l-tyrosine, 2,3-Difluoro-l-tyrosine, and 2,3,5-Trifluoro-l-tyrosine
PubMed:Utilization of N-acetyl-L-tyrosine and glycyl-L-tyrosine during long-term parenteral nutrition in the growing rat
PubMed:N-acetyl-L-tyrosine as a tyrosine source during total parenteral nutrition in adult rats
PubMed:Amino acid solutions for premature neonates during the first week of life: the role of N-acetyl-L-cysteine and N-acetyl-L-tyrosine
PubMed:N-acetyl-L-tyrosine and N-acetyl-L-cysteine as tyrosine and cysteine precursors during intravenous infusion in humans
PubMed:N-acetyl-L-tyrosine (NAT) as a substrate for mushroom tyrosinase
PubMed:N-acetyl-L-tyrosine as a tyrosine source in adult parenteral nutrition
PubMed:Utilization of tyrosine-containing dipeptides and N-acetyl-tyrosine in hepatic failure
PubMed:Highly Active Copolymerization of Ethylene and N-Acetyl-O-(?-Alkenyl)-l-Tyrosine Ethyl Esters Catalyzed by Titanium Complex
PubMed:Effects of acute ingestion of a pre-workout dietary supplement with and without p-synephrine on resting energy expenditure, cognitive function and exercise performance
PubMed:15N chemically induced dynamic nuclear polarization during reaction of N-acetyl-L-tyrosine with the nitrating systems nitrite/hydrogen peroxide/horseradish peroxidase and nitrite/hypochloric
PubMed:Positive regulation of melanin pigmentation by two key substrates of the melanogenic pathway, L-tyrosine and L-dopa
PubMed:Dimerisation of N-acetyl-L-tyrosine ethyl ester and Abeta peptides via formation of dityrosine
PubMed:Synthesis and evaluation of N-acetyl-L-tyrosine based compounds as PPARalpha selective activators
PubMed:N-acetyl-L-tyrosine methyl ester monohydrate at 293 and 123 K
PubMed:Effects of ingesting a pre-workout dietary supplement with and without synephrine for 8˙weeks on training adaptations in resistance-trained males
PubMed:Clearance of N-acetyl-L-tyrosine in infants receiving a pediatric amino acid solution
PubMed:Mechanism of nasal absorption of drugs. II: Absorption of L-tyrosine and the effect of structural modification on its absorption
PubMed:Adjuvant activity of carbohydrate analogs of N-acetylmuramyl-L-alanyl-D-isoglutamine on the induction of delayed-type hypersensitivity to azobenzenearsonate-N-acetyl-L-tyrosine in guinea pig
PubMed:Kinetic evidence for the formation of a Michaelis-Menten-like complex between horseradish peroxidase compound II and di-(N-acetyl-L-tyrosine)
PubMed:Phenol red-silk tyrosine cross-linked hydrogels
PubMed:Brain tyrosine increases after treating with prodrugs: comparison with tyrosine
PubMed:Metabolite Profiles of the Cerebrospinal Fluid in Neurosyphilis Patients Determined by Untargeted Metabolomics Analysis
PubMed:Hapten-specific T cell response to azobenzene-arsonate-N-acetyl-L-tyrosine (ABA-tyr) in Lewis rats. II. Induction and suppression of ABA-specific helper cell activity for antibody production
PubMed:N-acetyl tyrosyluria caused by parenteral or enteral administration of N-acetyl-L-tyrosine: differentiation from hereditary and acquired tyrosinemias
PubMed:Proton NMR relaxation studies of solid tyrosine derivatives and their mixtures with L-leucinamide
PubMed:Endogenous metabolites promote stress resistance through induction of mitohormesis
PubMed:Delayed hypersensitivity to azobenzenearsonate-N-acetyl-L-tyrosine. In vivo and in vitro study
PubMed:Nitric oxide trapping of the tyrosyl radical-chemistry and biochemistry
PubMed:A study of the intermolecular interactions of tolmetin/N-acetyl-L-tyrosine ethyl ester complex
PubMed:Carbohydrate-aromatic interactions: vibrational spectroscopy and structural assignment of isolated monosaccharide complexes with p-hydroxy toluene and N-acetyl l-tyrosine methylamide
PubMed:Expression and protease characterization of a conserved protein YgjD in Vibrio harveyi
PubMed:Tyrosinase inhibitory study of flavonolignans from the seeds of Silybum marianum (Milk thistle)
PubMed:Delayed hypersensitivity to mono-azobenzene-arsonate-N-acetyl-L-tyrosine. I. Induction of cellular sensitivity in the rat
PubMed:Tyrosinase Inhibition and Kinetic Details of Puerol A Having But-2-Enolide Structure from Amorpha fruticosa
PubMed:Tyrosine iminoxyl radical formation from tyrosyl radical/nitric oxide and nitrosotyrosine
PubMed:Effects of thymol on mushroom tyrosinase-catalyzed melanin formation
PubMed:The enthalpimetric determination of the Michaelis constant of the alpha-chymotrypsin-catalysed hydrolysis of N-acetyl-l-tyrosine ethyl ester based on the integrated Michaelis--Menten equatio
PubMed:The Marine Seagrass Halophila stipulacea as a Source of Bioactive Metabolites against Obesity and Biofouling
PubMed:Purification and properties of thermostable N-acylamino acid racemase from Amycolatopsis sp. TS-1-60
PubMed:Astaxanthin attenuates d-galactose-induced brain aging in rats by ameliorating oxidative stress, mitochondrial dysfunction, and regulating metabolic markers
PubMed:Gut microbiota and fecal metabolites in captive and wild North China leopard (Panthera pardus japonensis) by comparsion using 16˙s rRNA gene sequencing and LC/MS-based metabolomics
PubMed:Tyrosinase and catechol oxidase activity of copper(I) complexes supported by imidazole-based ligands: structure-reactivity correlations
PubMed:Faecal chymotrypsin--a new photometric method using N-acetyl-L-tyrosine ethyl ester as substrate
PubMed:Hapten-specific T-cell response to azobenzenearsonate-N-acetyl-L-tyrosine in the Lewis rat. IV. Rat dendritic cells present soluble and insoluble azobenzenearsonate conjugates to T cells
PubMed:Analysis of proteases involved in phagocytic activity of macrophages through the use of various amino acid esters
PubMed:Indirect oxidation of amino acid phenylhydrazides by mushroom tyrosinase
PubMed:Improved synthesis of [??F]FS-PTAD as a new tyrosine-specific prosthetic group for radiofluorination of biomolecules
PubMed:Adjuvant activity of synthetic cell-wall peptidoglycan subunits on monoazobenzenearsonate-N-acetyl-L-tyrosine and bacterial alpha-amylase in guinea pigs
PubMed:UV-Vis spectroscopy of tyrosine side-groups in studies of protein structure. Part 1: basic principles and properties of tyrosine chromophore
PubMed:Electrochemical detection of transketolase activity using a tyrosinase biosensor
PubMed:Acute Liver Failure Caused by Use of Fat Burner: A Case Report
PubMed:Adjuvant activity of N-acetyl muramyl dipeptides for the induction of delayed-type hypersensitivity to azobenzenearsonate-N-acetyl-L-tyrosine in guinea pigs
PubMed:Quantification of a peptide standard using the intrinsic fluorescence of tyrosine
PubMed:Structures of aminoacylase 3 in complex with acetylated substrates
PubMed:Circular dichroism studies of diethyl pyrocarbonate-modified histidine in hen egg white lysozyme
PubMed:Identification and evaluation as a DNA vaccine candidate of a virulence-associated serine protease from a pathogenic Vibrio parahaemolyticus isolate
PubMed:N-Acetyl-L-tyrosine ethyl ester (ATEe) hydrolytic activities of diseased human palatine tonsils. Possible pathogenesis of recurrent acute tonsillitis
PubMed:Allosteric activation of the hydrolysis of specific substrates by chymotrypsin
PubMed:Enzymic properties of nitrated alpha-chymotrypsin and delta-chymotrypsin
PubMed:Production and biochemical characterization of an alkaline protease from Aspergillus oryzae CH93
PubMed:The differentiation of the chloroform, peptone and antigen-antibody inducible esterase activities of human serum from plasmin
PubMed:Metabonomic study of the effects of different acupuncture directions on therapeutic efficacy
PubMed:Adjuvant activity of 6-amino-6-deoxy-muramyldipeptides and their acylamino derivatives on the induction of delayed hypersensitivity to azobenzenearsonate-N-acetyl-L-tyrosine in guinea pigs
PubMed:A new tyrosine-specific chymotrypsin-like and angiotensin-degrading serine proteinase from Vipera lebetina snake venom
PubMed:Absence of evidence for an intermediate in the deacetylation of acetylchymotrypsin
PubMed:Photocontrollable peroxynitrite generator based on N-methyl-N-nitrosoaminophenol for cellular application
PubMed:Hapten-specific T cell response to azobenzenearsonate-N-acetyl-L-tyrosine in the Lewis rat. III. Effects of peptide-spacer structure on eliciting ABA-specific helper activity with TNP-hapten
PubMed:Rat liver homogenate hydrolases splitting N-acetyl-L-tyrosine ethyl ester
PubMed:Methanolysis of ethyl esters of N-acetyl amino acids catalyzed by cyclosophoraoses isolated from Rhizobium meliloti
PubMed:Charge density study of N-acetyl-L-tyrosine ethyl ester monohydrate derived from CCD area detector data
PubMed:ELISA-based determination of immunological binding constants
PubMed:Hapten-specific T cell response to azobenzenearsonate-N-acetyl-L-tyrosine in the Lewis rat. II. Induction of helper activity demonstrated by TNP-haptenated ABA-peptide-Ficoll
PubMed:Delayed hypersensitivity to mono-azobenzene arsonate-N-acetyl-L-tyrosine. II. An operational model in the mouse
PubMed:Purification and some properties of rabbit C1 inactivator
PubMed:Quantitative effect of Mycobacteria and of anaerobic Corynebacteria upon immunogenic activity of azobenzearsonate-N-acetyl-L-tyrosine in guinea pigs
PubMed:Enhanced thermostability of alpha-chymotrypsin enclosed in inorganic microcapsules
PubMed:On the mechanism of interaction of organic solvents with the active site of alpha-chymotrypsin
PubMed:Metabonomic analysis of urine from rats after low-dose exposure to 3-chloro-1,2-propanediol using UPLC-MS
PubMed:Characterization of labelling and de-labelling reagents for detection and recovery of tyrosine residue in peptide
PubMed:Formation of nitrating and chlorinating species by reaction of nitrite with hypochlorous acid. A novel mechanism for nitric oxide-mediated protein modification
PubMed:Plasma amino Acid concentrations in 108 children receiving a pediatric amino Acid formulation as part of parenteral nutrition
PubMed:Modification of isoleucine-16 acetylated delta-chymotrypsin
PubMed:15N CIDNP investigations of the peroxynitric acid nitration of L-tyrosine and of related compounds
PubMed:Hapten-specific T cell response to azobenzenearsonate-N-acetyl-L-tyrosine in the Lewis rat. I. Induction and suppression of delayed-type hypersensitivity and in vitro proliferative responses
PubMed:[Utilization of N-acetylated amino acids in solutions for intravenous feeding. Cleavage of N-acetyltyrosine and N-acetylcysteine in rat tissues]
PubMed:Indirect oxidation of the antitumor agent procarbazine by tyrosinase--possible application in designing anti-melanoma prodrugs
PubMed:Interaction of Asp. melleus Semi-alkaline protease with benzeneboronic acid
PubMed:A kinetic test for the assay of the C1 esterase-inhibitor
PubMed:Effect of 3-hydroxyanthranilic acid on mushroom tyrosinase activity
PubMed:Some properties of an esterase derived from preparations of the first component of complement
PubMed:Biological properties of rat serum hydrolases splitting N-acetyl-L-tyrosine ethyl ester
PubMed:Stabilization of alpha-chymotrypsin by ionic liquids in transesterification reactions
PubMed:Adjuvant activity of chitin derivatives in mice and guinea-pigs
PubMed:Purification and properties of a serine protease from Pseudomonas matophilia
PubMed:Purification and properties of three endopeptidases from baker's yeast
PubMed:Kinetics of amino acid esterification catalyzed by hydrophobic derivatives of alpha-chymotrypsin
PubMed:Fourth-derivative spectrophotometry analysis of tryptophan environment in proteins. Application to melittin, cytochrome c and bacteriorhodopsin
PubMed:Unconjugated bilirubin inhibits C1 esterase activity
PubMed:The effect of substrate concentration and pH on the enzymic sulphation of L-tyrosyl derivatives
PubMed:Purification and characterization of a myosin-cleaving protease from rat heart myofibrils
PubMed:Proteolytic enzymes of the K-1 strain of Streptomyces griseus obtained from a commercial preparation (Pronase). Purification and characterization of the carboxypeptidase
PubMed:Evidences for the presence of chymotrypsin-like activity in human spermatozoa with a role in the acrosome reaction
PubMed:Chlorination of N-acetyltyrosine with HOCl, chloramines, and myeloperoxidase-hydrogen peroxide-chloride system
PubMed:The two human chymotrypsinogens. Purification and characterization
PubMed:Immunogenicity and role of size: response of guinea pigs to oligotyrosine and tyrosine derivatives
PubMed:Adjuvant activity of mycobacterial fractions: adjuvant activity of synthetic N-acetylmuramyl-dipeptide and the related compounds
PubMed:Effect of polyols on alpha-chymotrypsin thermostability: a mechanistic analysis of the enzyme stabilization
PubMed:Characterization and evaluation of Aspergillus oryzae lactase coupled to a regenerable support
PubMed:Adjuvant activity of 6-O-mycoloyl-N-acetylmuramuyl-L-alanyl-D-isoglutamine
PubMed:Inhibition of radiation-induced transformation of C3H/10T1/2 cells by carboxypeptidase inhibitor 1 and inhibitor II from potatoes
PubMed:Different effects of two proteinase inhibitors on insulin-induced cellular responses in rat adipocytes
PubMed:Control of C1 activation by nascent C3b and C4b: a mechanism of feedback inhibition
PubMed:Proteinases are involved in both DNA fragmentation and membrane damage during CTL-mediated target cell killing
PubMed:Purification and characterization of a chymotrypsin-like enzyme from sperm of the sea urchin, Hemicentrotus pulcherrimus
PubMed:Pediatric parenteral amino acid mixture in low birth weight infants
PubMed:Purification and properties of elastolytic enzyme from Flavobacterium immotum
PubMed:[Theoretical conformational analysis of noinvalent carboxypeptidase A complexes with inhibitors and substrates]
PubMed:Adjuvant activities of quinonyl-N-acetyl muramyl dipeptides in mice and guinea pigs
PubMed:Inhibition of Escherichia coli by bovine colostrum and post-colostral milk. I. Complement-mediated bactericidal activity of antibodies to a serum susceptible strain of E. coli of the serotyp
PubMed:Study of the factors influencing peak asymmetry on chromatography using a molecularly imprinted polymer prepared by the epitope approach
PubMed:Fluid phase destruction of C2 hu by C1 hu. 3. Changes in activity for synthetic substrates upon cell binding, heat inactivation and interaction with C1INH
PubMed:13C high-resolution nuclear magnetic resonance studies of enzyme-substrate reactions at equilibrium. Substrate studies of chymotrypsin-N-acetyltyrosine semicarbazide complexes
PubMed:The reactivity of alpha-chymotrypsin immobilized on radiation-grafted hydrogel surfaces
PubMed:Pharmacokinetic studies of amino acid analogues of 2-nitroimidazole, new hypoxic cell radiosensitizers
PubMed:Adjuvant and mitogenic activities of niacine derivatives and their NAD-analogs
PubMed:Carbamylation of alkaline mesentericopeptidas
PubMed:Electrophoretic characterization of porcine pancreatic (pro)elastases A and B
PubMed:Identification of a binary complex of procarboxypeptidase A and a precursor of protease E in porcine pancreatic secretion
PubMed:A new strategy for site-specific protein modification: analysis of a Tat peptide-TAR RNA interaction
PubMed:Studies on new intracellular proteases in various organs of rat. 1. Purification and comparison of their properties
PubMed:Estimation of serum alpha 2-macroglobulin based on the esterolytic activity of bound alpha-chymotrypsin
PubMed:Heterologous antigenic stimulation in induction of delayed hypersensitivity
PubMed:Purification, characterization and localization of serine protease of Morris hepatoma 8999
PubMed:Increase of catalytic activity of alpha-chymotrypsin by metal salts for transesterification of an amino acid ester in ethanol
PubMed:Determination of captopril and its degradation products by capillary electrophoresis
PubMed:[Structure of the active center of subtilisin 72]
PubMed:Production, purification and characterization of thermomycolase, the extracellular serine protease of the thermophilic fungus Malbranchea pulchella var. sulfurea
PubMed:Expression and utilization of chymotrypsin-like but not trypsin-like serine protease enzymes by nonspecific T killer cells activated by anti-CD3 monoclonal antibody
PubMed:Catalysis by alpha-chymotrypsin entrapped into surface-modified polymeric nanogranules in organic solvent
PubMed:Self purification of two serine endopeptidases
PubMed:[Isolation of a neutral histone-hydrolyzing protease from bovine spleen]
PubMed:Behaviour of tyrosyl residues of calf-thymus histone F3. Difference-spectroscopy studies
PubMed:Inhibitory properties of the antibothropic complex from the South American opossum (Didelphis marsupialis) serum
PubMed:Cationic proteins from human neutrophil granulocytes. Evidence for their chymotrypsin-like properties
PubMed:[Conformation aspects of peptide interaction with proteolytic enzymes. Alpha-chymotrypsin catalyzed hydrolysis of the cyclopeptides containing leucyltyrosyl fragments]
PubMed:Catalytic properties and conformation of hydrophobized alpha-chymotrypsin incorporated into a bilayer lipid membrane
PubMed:Peptide synthesis by proteases in organic solvents: medium effect on substrate specificity
PubMed:Effect of transmembrane helix packing on tryptophan and tyrosine environments in detergent-solubilized bacterio-opsin
PubMed:Adjuvant activity of 6-O-mycoloyl derivatives of N-acetylmuramyl-L-seryl-D-isoglutamine and related compounds in mice and guinea pigs
PubMed:Degree of heterogeneity of binding specificities of antibodies to the phenylarsonate group that share a common idiotype
PubMed:Purification and characterization of a chymotrypsin-like enzyme (protease-S) in thermally injured rat skin
PubMed:Thermodynamics of the quenching of tyrosyl fluorescence by dithiothreitol
PubMed:Presence of a trypsin-like protease in starfish sperm acrosome
PubMed:Comparison of inhibition of the action of C1 on C4 by two synthetic substrates of C1 esterase, TAMe and ATEe
PubMed:A two-component affinity chromatography purification of Helix pomatia arylsulfatase by tyrosine vanadate
PubMed:[Characterization of some hydrolase activities in digestive juice of Achatina balteata]
PubMed:[Thermodynamics changes in catalytic properties of immobilized enzymes]
PubMed:Preparation and enzymatic properties of subtilisin Novo chemically attached to soluble DEAE-dextran and insoluble DEAE-sephadex
PubMed:[Properties of alpha-chymotrypsin and cis-cinnamoylchymotrypsin in free, covalently bound to a carrier and microcapsulated states]
PubMed:[Properties of alpha-chymotrypsin, covalently incorporated into polyacrylamide microgranules]
PubMed:Studies on the activation of a proesterase associated with partially purified first component of human complement
PubMed:[The inhibition of proteolytic enzyme activity by humic acids]
PubMed:Cytochemical demonstrations of protease in human peripheral blood cells by use of new alpha-naphthyl ester substrates
PubMed:Photochemical evidence for the presence of histidyl residue in the active site of alkaline mesentericopeptidase
PubMed:Immunological activities of multiprenylacetyl derivatives of muramyldipeptides
PubMed:[New preparation method of C1 esterase for the dosage of its plasma inhibitor]
PubMed:The effect of some protease substrates and inhibitors on chemotaxis and protease activity of human polymorphonuclear leukocytes
PubMed:Use of immobilized carboxypeptidase Y (I-CPY) as a catalyst for deblocking in peptide synthesis
PubMed:[Properties of immobilized trypsin and alpha-chymotrypsin and their use for purification of proteinase inhibitors from potatoes]
PubMed:The histamine releasers crotamine, protamine and compound 48/80 activate specific proteases and phospholipases A2
PubMed:Verification of a model of a F(ab) complex with phenylarsonate by oligonucleotide-directed mutagenesis
PubMed:[Alpha-chymotrypsin immobilized on ferromagnetic particles coated with titanium oxide: production and catalytic properties]
PubMed:[The heterogeneous character of protein modification during substitution of their amino groups. Acylation of alpha-chymotrypsin]
PubMed:Activation of chymotrypsinogen by boar acrosin and its prevention by antiboar acrosin rabbit gamma-globulins
PubMed:Effect of NAD(P)H:quinone oxidoreductase on tyrosinase-mediated oxidation of opioid neuropeptides Leu-enkephalin and Met-enkephalin
PubMed:Trypsin and chymotrypsin activity of the intestinal content in germfree, monoassociated and conventional rabbits
PubMed:Characterization of structural properties for morphological differentiation of melanosomes: I. Purification of tyrosinase by tyrosine affinity chromatography and its characterization in B16
Acetyltyrosine is a side chain reaction of tyrosine. It converts to tyrosine and then can be used in neurotransmitter treatment as a precursor of cathecholamine ( [HMDB]
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