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Ureases (EC 126.96.36.199), functionally, belong to the superfamily of amidohydrolases and phosphotriesterases.
Trypsin-Chymotrypsin is the co-crystal of Chymotrypsin and Trypsin so it has the properties of both.
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Currently, the most common applications for [peptide sequence analysis](http://www.creative-proteomics.com/services/sequence-analysis-of-peptides-or-proteins-n-c.htm) are as follows. Verification of the N-terminal boundary of recombinant proteins, particularly proteins larger than 40–80 kDa when highly accurate masses cannot be obtained by ESI-MS. Determining the N-terminal boundary of protease-resistant domains, particularly when the protein or domain is greater than 40–80 kDa or when the domain of interest cannot be readily purified. Identifying proteins isolated from species where most of the genome has not yet been sequenced. In the increasingly rare cases where the target protein is not in available databases, the peptide sequence may be used either to design oligonucleotide probes or to confirm putative cDNA clones. Besides, sequence analysis of proteins can be used to identify modified residues or crosslinked sites in proteins that prove to be refractory to analysis by mass spectrometry. And where can I get Sequence Analysis of Peptides or Proteins service?03/12/2016
Glucan 1,4-alpha-maltohydrolase (EC 188.8.131.52, maltogenic alpha-amylase, 1,4-alpha-D-glucan alpha-maltohydrolase) is an [enzyme amylase](http://www.creative-enzymes.com/common/Hydrolases-Amylase_75_105.html) with system name 4-alpha-D-glucan alpha-maltohydrolase. This enzyme catalyses the following chemical reaction:hydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides so as to remove successive alpha-maltose residues from the non-reducing ends of the chains. This enzyme acts on starch and related polysaccharides and oligosaccharides.More information:[[email protected]]([email protected])el:516669810929/08/2016
[chitosanase enzyme](http://www.creative-enzymes.com/common/Hydrolases-Chitosanase_75_845.html) catalyzes the endohydrolysis of β (1,4) linkages between N-acetyl-D-glucosamine and D-glucosamine residues in partially deacetylated chitosan. Chitosanase from Streptomyces griseus is capable of hydrolyzing both chitosan and carboxymethyl cellulose. It is used for the lysis of cell walls of fungi belonging to the group Mucorales. It is found in several types of microorganisms.24/08/2016
[Cholecystokinin](http://www.creative-enzymes.com/common/Hydrolases-CCK_75_977.html) is a peptide hormone of the gastrointestinal system responsible for stimulating the digestion of fat and protein. Cholecystokinin, previously called pancreozymin, is synthesized by I-cells in the mucosal epithelium of the small intestine and secreted in the duodenum, the first segment of the small intestine, and causes the release of digestive enzymes and bile from the pancreas and gallbladder, respectively. It also acts as a hunger suppressant. Recent evidence has suggested that it also plays a major role in inducing drug tolerance to opioids like morphine and heroin, and is partly implicated in experiences of pain hypersensitivity during opioid withdrawal.More [[email protected]]([email protected])el:516669810922/08/2016
Glycosylation, the attachment of sugar moieties to proteins, is a post-translational modification (PTM) that provides greater proteomic diversity than other PTMs.Anyone has experience in [post translational modification glycosylation](http://www.creative-proteomics.com/services/Glycosylation-analysis-of-protein.htm) for medicine application?16/08/2016
Shotgun protein identification refers to the use of bottom-up proteomics techniques in identifying proteins using a combination of high performance liquid chromatography combined with mass spectrometry. And some details for the application of [shotgun proteomics](http://www.creative-proteomics.com/Services/Shotgun-protein-identification.htm) service?11/08/2016
[Protein Post-translational Modification Analysis](http://www.creative-proteomics.com/services/protein-post-translational-modification-analysis.htm): An Analysis by Creative Proteomics. Does this work well?04/08/2016