1CI9 | pdb_00001ci9

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1ci9b_	Multi-domain proteins (alpha and beta)	beta-lactamase/transpeptidase-like	beta-lactamase/transpeptidase-like	beta-Lactamase/D-ala carboxypeptidase	Esterase EstB	(Burkholderia gladioli ) [TaxId: 28095 ],	SCOPe (2.08)
A	d1ci9a_	Multi-domain proteins (alpha and beta)	beta-lactamase/transpeptidase-like	beta-lactamase/transpeptidase-like	beta-Lactamase/D-ala carboxypeptidase	Esterase EstB	(Burkholderia gladioli ) [TaxId: 28095 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	beta-lactamase/transpeptidase-like	8035501	3001604	SCOP2B (2022-06-29)
A	SCOP2 Family	beta-Lactamase/D-ala carboxypeptidase	8023121	4002685	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	beta-lactamase/transpeptidase-like	8035501	3001604	SCOP2 (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Ion_trans_2	e1ci9B1	A: beta barrels	X: ETN0001 domain-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: Ion_trans_2	ECOD (v294.2)
B	Transpeptidase	e1ci9B2	A: beta barrels	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Transpeptidase	ECOD (v294.2)
A	Beta-lactamase	e1ci9A1	A: a+b two layers	X: alpha-helical domain in beta-lactamase/transpeptidase-like proteins	H: alpha-helical domain in beta-lactamase/transpeptidase-like proteins	T: alpha-helical domain in beta-lactamase/transpeptidase-like proteins	F: Beta-lactamase	ECOD (v294.2)
A	Beta-lactamase	e1ci9A2	A: a+b three layers	X: Profilin-like	H: a+b domain in beta-lactamase/transpeptidase-like proteins	T: a+b domain in beta-lactamase/transpeptidase-like proteins	F: Beta-lactamase	ECOD (v294.2)

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)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PROTEIN (CARBOXYLESTERASE)	hydrolase activity catalytic activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm

Chains	Accession	Name	Type
A, B	IPR001466	Beta-lactamase-related	Domain
A, B	IPR012338	Beta-lactamase/transpeptidase-like	Homologous Superfamily
A, B	IPR050789	Diverse Enzymatic Activities	Family
A, B	IPR023650	Beta-lactamase, class-A active site	Active Site

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.