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Key Documents

SAB1402153

Sigma-Aldrich

Monoclonal Anti-CPA1 antibody produced in mouse

clone 3F11, purified immunoglobulin, buffered aqueous solution

Synonym(s):

CPA

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

3F11, monoclonal

form

buffered aqueous solution

mol wt

antigen ~71.83 kDa

species reactivity

human

technique(s)

capture ELISA: suitable
immunoprecipitation (IP): suitable
indirect ELISA: suitable
western blot: 1-5 μg/mL

isotype

IgG2aκ

NCBI accession no.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... CPA1(1357)

General description

Three different forms of human pancreatic procarboxypeptidase A have been isolated. This gene encodes a monomeric pancreatic exopeptidase involved in zymogen inhibition. (provided by RefSeq)

Immunogen

CPA1 (AAH05279, 1 a.a. ~ 419 a.a) full-length recombinant protein with GST tag. MW of the GST tag alone is 26 KDa.

Sequence
MRGLLVLSVLLGAVFGKEDFVGHQVLRISVADEAQVQKVKELEDLEHLQLDFWRGPAHPGSPIDVRVPFPSIQAVKIFLESHGISYETMIEDVQSLLDEEQEQMFAFRSRARSTDTFNYATYHTLEEIYDFLDLLVAENPHLVSKIQIGNTYEGRPIYVLKFSTGGSKRPAIWIDTGIHSREWVTQASGVWFAKKITQDYGQDAAFTAILDTLDIFLEIVTNPDGFAFTHSTNRMWRKTRSHTAGSLCIGVDPNRNWDAGFGLSGASSNPCSETYRGKFANSEVEVKSIVDFVKDHGNIKAFISIHSYSQLLMYPYGYKTEPVPDQDELDQLSKAAVTALASLYGTKFNYGSIIKAIYQASGSTIDWTYSQGIKYSFTFELRDTGRYGFLLPASQIIPTAKETWLALLTIMEHTLNHPY

Biochem/physiol Actions

CPA1 (Carboxypeptidase A1) is a zinc metalloenzyme belonging to the tetragonal space group P4(3)2(1)2. It forms a multiprotein complex, Zn2+-poly(acrylic acid), by directly interacting with proteases in the gastrointestinal tract. It stimulates the hydrolytic separation of carboxyl-terminal aromatic or branched aliphatic side chain of amide bonds from peptides and proteins.

Physical form

Solution in phosphate buffered saline, pH 7.4

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Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Irantzu Pallarès et al.
Acta crystallographica. Section D, Biological crystallography, D64(Pt 7), 784-791 (2008-06-21)
Carboxypeptidase A1 has been the subject of extensive research in the last 30 y and is one of the most widely studied zinc metalloenzymes. However, the three-dimensional structure of the human form of the enzyme is not yet available. This
E Clauser et al.
The Journal of biological chemistry, 263(33), 17837-17845 (1988-11-25)
Nucleotide sequencing of a rat carboxypeptidase B (CPB) cDNA and direct sequencing of the CPB mRNA via primer extension on pancreatic polyadenylated RNA has yielded the complete amino acid sequence of rat CPB. The rat enzyme is synthesized as a

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