( ( ( This type ) ( of antibodies ) ) ( ( ( are therefore ) ( able ( to ( recognise ( ( ( ( ( two ( different antigens ) ) , ) ( one ( at ( their ( Fab region ) ) ) ) ) and ) ( ( a ( second one ) ) ( at ( ( ( the ( Fc region ) ) , ) ( ( hence ( the name ) ) ( of ( bispecific antibodies ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT This) (NN type)) (PP (IN of) (NP (NNS antibodies)))) (VP (VBP are) (ADVP (RB therefore)) (ADJP (JJ able) (S (VP (TO to) (VP (VB recognise) (NP (NP (CD two) (JJ different) (NNS antigens)) (, ,) (NP (NP (CD one)) (PP (IN at) (NP (PRP$ their) (NNP Fab) (NN region)))) (CC and) (NP (NP (DT a) (JJ second) (NN one)) (PP (IN at) (NP (NP (DT the) (NNP Fc) (NN region)) (, ,) (NP (NP (RB hence) (DT the) (NN name)) (PP (IN of) (NP (JJ bispecific) (NNS antibodies))))))))))))) (. .)))
This type of antibodies are therefore able to recognise two different antigens, one at their Fab region and a second one at the Fc region, hence the name of bispecific antibodies.
(ROOT (S (NP (DT An) (NN antibody)) (VP (MD can) (VP (VB match) (NP (NP (CD one) (NNS types)) (PP (IN of) (NP (NNS antigens)))))) (. .)))