Fab fragment

(redirected from Fab piece)

Fab frag·ment

the antigen-binding fragment of an immunoglobulin molecule, containing the variable regions of both light and heavy chains.
Synonym(s): Fab piece

Fab frag·ment

(fab frag'mĕnt)
The antigen-binding fragment of an immunoglobulin molecule, consisting of both a light chain and part of a heavy chain.

Fab fragment

Area on an immunoglobulin (antibody) to which antigens bind. The enzyme papain splits antibodies into three fragments, two Fab fragments, each of which is antigen-specific, and an Fc or crystallizable fragment, which is involved in secondary antibody activities such as activating complement.
See also: fragment

Fab fragment

a portion of an immunoglobulin molecule usually obtained by papain digestion, containing one light chain and part of a heavy chain with a single antigen-combining site.
References in periodicals archive ?
And Betty is in her element with this fab piece of gossip and tells the whole village about the couple.
FASHION news High street giant River Island have launched a plus-size range and the great news is it's full of fab pieces to flatter curvier girls.
Almost looks too fragile to touch, but is part of a huge range of jewellery at Barnums, which includes fab pieces by Carrie Elspeth, winner of the Welsh Woman of the Year 2007 Small Business Owner Award.
You may just want to add some golden accents to your home and here are some fab pieces to make sure you're on trend.
There's some fab pieces for summer and I picked up a floaty white dress with the denim waistcoat to match.
This time of the year, it's not hard to find some really fab pieces.
Happily for you and me, it's filtered on to the High Street with fab pieces in store at Dorothy Perkins, Topshop and Warehouse (see my picks below).
Snap up one of these fab pieces and almost a third of the price will be donated to fighting cancer.
Yes,all the way from America comes four fab pieces of legendary Moptop memorabilia - tiny pieces of sheet that John,Paul, George and Ringo slept on after a Hard Day's Night singing in Detroit.
I had a look round the shops this week and saw loads of fab pieces on the High Street.