CD33 (NM_001082618) Human Recombinant Protein

Specifications

Product Data
Species	Human
Expression Host	HEK293T
Expression cDNA Clone or AA Sequence	Protein Sequence (showhide) >RC217716 representing NM_001082618 Red=Cloning site Green=Tags(s) MPLLLLLPLLWADLTHRPKILIPGTLEPGHSKNLTCSVSWACEQGTPPIFSWLSAAPTSLGPRTTHSSVL IITPRPQDHGTNLTCQVKFAGAGVTTERTIQLNVTYVPQNPTTGIFPGDGSGKQETRAGVVHGAIGGAGV TALLALCLCLIFFIVKTHRRKAARTAVGRNDTHPTTGSASPKHQKKSKLHGPTETSSCSGAAPTVEMDEE LHYASLNFHGMNPSKDTSTEYSEVRTQ TRTRPLEQKLISEEDLAANDILDYKDDDDKV
Tag	C-Myc/DDK
Predicted MW	23.9 kDa
Concentration	>0.05 µg/µL as determined by microplate BCA method
Purity	> 80% as determined by SDS-PAGE and Coomassie blue staining
Buffer	25 mM Tris-HCl, 100 mM glycine, pH 7.3, 10% glycerol
Preparation	Recombinant protein was captured through anti-DDK affinity column followed by conventional chromatography steps.
Note	For testing in cell culture applications, please filter before use. Note that you may experience some loss of protein during the filtration process.
Storage	Store at -80°C.
Stability	Stable for 12 months from the date of receipt of the product under proper storage and handling conditions. Avoid repeated freeze-thaw cycles.
Reference Data
RefSeq	NP_001076087
Locus ID	945
UniProt ID	P20138
Refseq Size	1085
Cytogenetics	19q13.41
Refseq ORF	711
Synonyms	p67; SIGLEC-3; SIGLEC3
Summary	Sialic-acid-binding immunoglobulin-like lectin (Siglec) that plays a role in mediating cell-cell interactions and in maintaining immune cells in a resting state (PubMed:10611343, PubMed:15597323, PubMed:11320212). Preferentially recognizes and binds alpha-2,3- and more avidly alpha-2,6-linked sialic acid-bearing glycans (PubMed:7718872). Upon engagement of ligands such as C1q or syalylated glycoproteins, two immunoreceptor tyrosine-based inhibitory motifs (ITIMs) located in CD33 cytoplasmic tail are phosphorylated by Src-like kinases such as LCK (PubMed:28325905, PubMed:10887109). These phosphorylations provide docking sites for the recruitment and activation of protein-tyrosine phosphatases PTPN6/SHP-1 and PTPN11/SHP-2 (PubMed:10556798, PubMed:10206955, PubMed:10887109). In turn, these phosphatases regulate downstream pathways through dephosphorylation of signaling molecules (PubMed:10206955, PubMed:10887109). One of the repressive effect of CD33 on monocyte activation requires phosphoinositide 3-kinase/PI3K (PubMed:15597323).[UniProtKB/Swiss-Prot Function]
Protein Families	Druggable Genome, Transmembrane
Protein Pathways	Hematopoietic cell lineage

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