Annotations: 3VSL

Crystal structure of penicillin-binding protein 3 (PBP3) from methicilin-resistant Staphylococcus aureus in the cefotaxime bound form.

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Methyltr_RsmB-F	e3vslB4	A: alpha arrays	X: POZ domain	H: POZ domain	T: POZ domain	F: Methyltr_RsmB-F	ECOD (v295.2)
B	MoCoBD_2	e3vslB3	A: alpha arrays	X: Nat/Ivy	H: Acyl-CoA N-acyltransferases (Nat)	T: Acyl-CoA N-acyltransferases (Nat)	F: MoCoBD_2	ECOD (v295.2)
A		e3vslA1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Enterocin 7A and 7B	T: Enterocin 7A and 7B	F:	ECOD (v295.2)
A	MoCoBD_2	e3vslA3	A: alpha arrays	X: Nat/Ivy	H: Acyl-CoA N-acyltransferases (Nat)	T: Acyl-CoA N-acyltransferases (Nat)	F: MoCoBD_2	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.1310.10	Alpha Beta	Alpha-Beta Complex	Penicillin-binding protein 2a (Domain 2)	Penicillin-binding protein 2a (Domain 2)	CATH (4.3.0)
B	1.10.10.1230	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Penicillin-binding protein, N-terminal non-catalytic domain, head sub-domain	CATH (4.3.0)
B	3.40.710.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-lactamase	DD-peptidase/beta-lactamase superfamily	CATH (4.3.0)
A	3.90.1310.10	Alpha Beta	Alpha-Beta Complex	Penicillin-binding protein 2a (Domain 2)	Penicillin-binding protein 2a (Domain 2)	CATH (4.3.0)
A	1.10.10.1230	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Penicillin-binding protein, N-terminal non-catalytic domain, head sub-domain	CATH (4.3.0)
A	3.40.710.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-lactamase	DD-peptidase/beta-lactamase superfamily	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03717	Penicillin-binding Protein dimerisation domain (PBP_dimer)	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' st ...	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.	Domain
A, B	PF00905	Penicillin binding protein transpeptidase domain (Transpeptidase)	Penicillin binding protein transpeptidase domain	The active site serine (residue 337 in Swiss:P14677) is conserved in all members of this family.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Penicillin-binding protein 3	serine-type exopeptidase activity peptidase activity catalytic activity, acting on a protein serine hydrolase activity hydrolase activity peptidoglycan L,D-transpeptidase activity serine-type carboxypeptidase activity serine-type peptidase activity exopeptidase activity catalytic activity carboxypeptidase activity organic acid binding binding ion binding serine-type exopeptidase activity peptidase activity catalytic activity, acting on a protein serine hydrolase activity hydrolase activity peptidoglycan L,D-transpeptidase activity serine-type carboxypeptidase activity serine-type peptidase activity exopeptidase activity catalytic activity carboxypeptidase activity organic acid binding binding ion binding anion binding penicillin binding carboxylic acid binding heterocyclic compound binding monocarboxylic acid binding small molecule binding sulfur compound binding	cellular component organization cell wall organization or biogenesis cell wall organization cellular process cellular component organization or biogenesis external encapsulating structure organization	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR012338	Beta-lactamase/transpeptidase-like	Homologous Superfamily
A, B	IPR005311	Penicillin-binding protein, dimerisation domain	Domain
A, B	IPR001460	Penicillin-binding protein, transpeptidase	Domain
A, B	IPR050515	Class D beta-lactamase/transpeptidase	Family
A, B	IPR036138	Penicillin-binding protein, dimerisation domain superfamily	Homologous Superfamily