lanbi -lanb- gismu

x1 is a quantity of protein/albumin of type x2 composed of amino acids (sequence/jo'u)

See also ladru, sovda.

In notes:

ba'arlanbi
x1=l1=b1 is a quantity of antibody of isotype/class x2=l2 for marking pathogen x3=b2
ladru
x1 is made of/contains/is a quantity of milk from source x2; (adjective:) x1 is lactic/dairy.
sovda
x1 is an egg/ovum/sperm/pollen/gamete of/from organism [mother/father] x2.
tcelula
x1 is a biological cell