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MBL

CAT: 0209-101-M562Size: 100 µgDry Ice: NoHazardous: No
CAT#:0209-101-M562Size:100 µg
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Description
Human mannose/mannan-binding lectin (MBL; also MBPC) is a 25 kDa member of the collectin family of pattern-recognition molecules. It is a secreted glycoprotein that is synthesized as a 248 amino acid (aa) precursor that contains a 20 aa signal sequence, a 21 aa cysteinerich region (with three cysteines) a 58 aa collagenlike segment and a 111 aa Ctype lectin domain that binds to neutral bacterial carbohydrates. The molecule is O glycosylatedand contains multiplehydroxylated prolines and lysines. Functionally, the molecule operates as a multimer/oligomer. The basic structural unit is a homotrimer. The homotrimer iscreated by the formation of interchain disulfide bonds among the cysteinerichregions, plus a helical interaction of the collagen-like domains of each participating polypeptide. Mutations in the collagen region are known to interfere with proper trimer and subsequent oligomer formation. Once formed, the trimer, as a unit, oligomerizes with other trimers to form high molecular weight complexes. Although the exact nature of these complexes are unclear, it would appear that a three trimer complex (230 kDa) and a four trimer complex (305 kDa) constitute much of the circulating MBL. It is within the context of these oligomers that MBL performs its functions. After secretion by hepatocytes, oligomerized MBL will both associate with serine proteases (MASP1, 2 & 3) and bind to bacterial carbohydrates. If the MBL complex is small, opsonization of bacreria occurs. If the complex is large, the MASPs are engaged and a complement attack complex is generated, destroying bound bacteria. Human MBL is 63%, 61% and 65% aa identical to mouse, porcine and bovine MBL, respectively.
Synonyms
MBL2; MBL; MBP; MBP1; MBL2D; MBP-C; COLEC1; HSMBPC
NCBI Gene ID
4153
UniProt
P11226
Accession Number
NP_000233.1
Accession Number mRNA
NM_000242.2
Chromosomal Location
10q11.2
Reactivity
Anti-Human
Cross Reactivity
Human
Target Antigen
Human recombinant protein of MBL
Clone
(#4J25)
Applications
WB, N
Purification Method
Protein G chromatography
Assay Protocol
Centrifuge vial prior to opening. Reconstitute the antibody with 500 µl sterile PBS and the final concentration is 200 µg/ml.
Form
Lyophilized
Buffer
PBS
Reconstitution
PBS
Storage Conditions
Lyophilized samples are stable for 2 years from date of receipt when stored at -20°C. Reconstituted antibody can be aliquoted and stored frozen at < -20°C for at least six months without detectable loss of activity.
Host or Source
Mouse
Isotype
IgG2

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