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PBP2a is composed of two domains: a <scene name='37/372724/Non_penicillin_binding/1'>non penicillin binding</scene> (NPB) domain and a  
PBP2a is composed of two domains: a <scene name='37/372724/Non_penicillin_binding/1'>non penicillin binding</scene> (NPB) domain and a  
<scene name='37/372724/Transpeptidase_domain/1'>TP</scene> domain. The NBP domain of PBP2a is anchored in the cell membrane, while the TP domain “sits” in the periplasm with its active site facing the inner surface of the cell wall. The active site contains a  
<scene name='37/372724/Transpeptidase_domain/1'>TP</scene> domain. The NBP domain of PBP2a is anchored in the cell membrane, while the TP domain “sits” in the periplasm with its active site facing the inner surface of the cell wall. The active site contains a  
serine residue at position 403 (<scene name='37/372724/Serine403label/1'>Ser403</scene>) which catalyzes the cross-linking of the peptidoglycan rows with pentaglycine cross-links.
serine residue at position 403 (<scene name='37/372724/Serine403label/2'>ser403</scene>) which catalyzes the cross-linking of the peptidoglycan rows with pentaglycine cross-links.

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

Wayne Decatur, Student, Allison Granberry, Marisa L. VanBrakle