1FR1 | pdb_00001fr1

REFINED CRYSTAL STRUCTURE OF BETA-LACTAMASE FROM CITROBACTER FREUNDII INDICATES A MECHANISM FOR BETA-LACTAM HYDROLYSIS

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
AMR Gene: CARD Annotation
AMR Gene Family: CARD Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1fr1b_	Multi-domain proteins (alpha and beta)	beta-lactamase/transpeptidase-like	beta-lactamase/transpeptidase-like	beta-Lactamase/D-ala carboxypeptidase	AMPC beta-Lactamase, class C	(Citrobacter freundii ) [TaxId: 546 ],	SCOPe (2.08)
A	d1fr1a_	Multi-domain proteins (alpha and beta)	beta-lactamase/transpeptidase-like	beta-lactamase/transpeptidase-like	beta-Lactamase/D-ala carboxypeptidase	AMPC beta-Lactamase, class C	(Citrobacter freundii ) [TaxId: 546 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	beta-lactamase/transpeptidase-like	8069895	3001604	SCOP2B (2022-06-29)
A	SCOP2 Family	beta-Lactamase/D-ala carboxypeptidase	8069894	4002685	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	beta-lactamase/transpeptidase-like	8069895	3001604	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Ion_trans_2	e1fr1B1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: Ion_trans_2	ECOD (v294.1)
B	Transpeptidase	e1fr1B2	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Transpeptidase	ECOD (v294.1)
A	Ion_trans_2	e1fr1A1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: Ion_trans_2	ECOD (v294.1)
A	Transpeptidase	e1fr1A2	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Transpeptidase	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.710.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-lactamase	DD-peptidase/beta-lactamase superfamily	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)

AMR Gene: CARD Annotation CARD Database Homepage

Chains	Accession	Short Name	Description	Provenance Source (Version)
A, B	ARO:3002083	CMY-70	CMY-70 is a beta-lactamase. Name originally from the historical Lahey list of beta-lactamases, some of which did not include sequence data.	CARD (4.0.1)

AMR Gene Family: CARD Annotation CARD Database Homepage

Chains	Accession	Gene Family	Drug Class	Resistance Machanism	Provenance Source (Version)
A, B	ARO:3000069	CMY beta-lactamase	cephalosporin	antibiotic inactivation	CARD (4.0.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	BETA-LACTAMASE	beta-lactamase activity hydrolase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amides catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	antibiotic metabolic process catabolic process metabolic process cellular process antibiotic catabolic process response to stimulus response to chemical response to antibiotic	cellular anatomical structure extracellular region outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001466	Beta-lactamase-related	Domain
A, B	IPR012338	Beta-lactamase/transpeptidase-like	Homologous Superfamily
A, B	IPR001586	Beta-lactamase, class-C active site	Active Site
A, B	IPR058136	Beta-lactamase AmpC	Family
A, B	IPR050491	Beta-lactamase AmpC-like	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.