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Penicillin-binding Protein dimerisation domain
This domain is found at the N terminus of Class B High Molecular Weight Penicillin-Binding Proteins. Its function has not been precisely defined, but is strongly implicated in PBP polymerisation. The domain forms a largely disordered 'sugar tongs' structure. (from Pfam)
penicillin-binding transpeptidase domain-containing protein
The active site serine (residue 337 in Swiss:P14677) is conserved in all members of this family. [1]. 8605631. X-ray structure of Streptococcus pneumoniae PBP2x, a primary penicillin target enzyme. Pares S, Mouz N, Petillot Y, Hakenbeck R, Dideberg O. Nat Struct Biol 1996;3:284-289. (from Pfam)
penicillin-binding protein 2
Members of this protein family are penicillin-binding protein 2 (PBP-2), a protein whose gene (designated pbpA or mrdA) generally is found next to the gene for RodA, a protein required for rod (bacillus) shape in many bacteria. PBP-2 acts as a transpeptidase for cell elongation (hence, rod-shape).
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