Product Name	Plasma kallikrein light chain
Chinese Name	血浆激肽释放酶轻链抗体
Alias	Plasma kallikrein B1; EC 3.4.21.34; Fletcher factor; Kallikrein 3 plasma (Fletcher factor); kallikrein B plasma; Kallikrein B plasma (Fletcher factor) 1; Kallikrein B, plasma 1; Kininogenin; KLK3; KLKB1; KLKB1_HUMAN; Plasma kallikrein; Plasma prekallikrein; PPK; Prekallikrein; Plasma kallikrein light chain.
Research Area	Cell biology  immunology  Kinases and Phosphatases
Immunogen Species	Rabbit
Clonality	Polyclonal
React Species	(predicted: Human, Mouse, Rat, Dog, Cow, )
Applications	ELISA=1:5000-10000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500 （Paraffin sections need antigen repair） not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user.
Theoretical molecular weight	27kDa
Cellular localization	Secretory protein
Form	Liquid
Concentration	1mg/ml
immunogen	KLH conjugated synthetic peptide derived from human Plasma kallikrein light chain: 451-550/683
Lsotype	IgG
Purification	affinity purified by Protein A
Buffer Solution	0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
Storage	Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
Attention	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
PubMed	PubMed
Product Detail	Plasma prekallikrein is a glycoprotein that participates in the surface-dependent activation of blood coagulation, fibrinolysis, kinin generation and inflammation. It is synthesized in the liver and secreted into the blood as a single polypeptide chain. Plasma prekallikrein is converted to plasma kallikrein by factor XIIa by the cleavage of an internal Arg-Ile bond. Plasma kallikrein therefore is composed of a heavy chain and a light chain held together by a disulphide bond. The heavy chain originates from the amino-terminal end of the zymogen and contains 4 tandem repeats of 90 or 91 amino acids. Each repeat harbors a novel structure called the apple domain. The heavy chain is required for the surface-dependent pro-coagulant activity of plasma kallikrein. The light chain contains the active site or catalytic domain of the enzyme and is homologous to the trypsin family of serine proteases. Plasma prekallikrein deficiency causes a prolonged activated partial thromboplastin time in patients. [provided by RefSeq, Jul 2008] Function: The enzyme cleaves Lys-Arg and Arg-Ser bonds. It activates, in a reciprocal reaction, factor XII after its binding to a negatively charged surface. It also releases bradykinin from HMW kininogen and may also play a role in the renin-angiotensin system by converting prorenin into renin. Subunit: Forms a heterodimer with SERPINA5. The zymogen is activated by factor XIIa, which cleaves the molecule into a light chain, which contains the active site, and a heavy chain, which associates with HMW kininogen. These chains are linked by one or more disulfide bonds. Subcellular Location: Secreted. Post-translational modifications: Prekallikrein deficiency (PKK deficiency) [MIM:612423]: This disorder is a blood coagulation defect. Note=The disease is caused by mutations affecting the gene represented in this entry. Similarity: Belongs to the peptidase S1 family. Plasma kallikrein subfamily. Contains 4 apple domains. Contains 1 peptidase S1 domain. SWISS: P03952 Gene ID: 3818 Database links: Entrez Gene: 3818 Human Entrez Gene: 25048 Rat Omim: 229000 Human SwissProt: P03952 Human SwissProt: P14272 Rat Unigene: 237642 Human Unigene: 9880 Rat

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