Annotations: 4AD9

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HTH_20_like,Lactamase_B_1	e4ad9A1	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: HTH_20_like,Lactamase_B_1	ECOD (1.6)
B	HTH_20_like	e4ad9B2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: HTH_20_like	ECOD (1.6)
B	Lactamase_B_1	e4ad9B1	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: Lactamase_B_1	ECOD (1.6)
C	HTH_20_like,Lactamase_B_1	e4ad9C3	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: HTH_20_like,Lactamase_B_1	ECOD (1.6)
D	HTH_20_like,Lactamase_B_1	e4ad9D1	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: HTH_20_like,Lactamase_B_1	ECOD (1.6)
E	HTH_20_like,Lactamase_B_1	e4ad9E3	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: HTH_20_like,Lactamase_B_1	ECOD (1.6)
F	HTH_20_like,Lactamase_B_1	e4ad9F3	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: HTH_20_like,Lactamase_B_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
B	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
B	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
C	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
C	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
D	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
D	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
E	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
E	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
F	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
F	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF17778	Beta-lactamase associated winged helix domain (BLACT_WH)	Beta-lactamase associated winged helix domain	This winged helix domain is found at the C-terminus of some beta lactamase enzymes [1].	Domain
A, B, C, D, E A, B, C, D, E, F	PF00753	Metallo-beta-lactamase superfamily (Lactamase_B)	Metallo-beta-lactamase superfamily		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	BETA-LACTAMASE-LIKE PROTEIN 2	endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity RNA binding binding nucleic acid binding single-stranded RNA binding cation binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity RNA binding binding nucleic acid binding single-stranded RNA binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	-	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR036866	Ribonuclease Z/Hydroxyacylglutathione hydrolase-like	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR047921	LACTB2-like, MBL-fold metallo hydrolase domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR041516	LACTB2, winged helix domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR001279	Metallo-beta-lactamase	Domain
A, B, C, D, E A, B, C, D, E, F	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR050662	Secondary metabolite biosynthesis-associated thioesterase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E A, B, C, D, E, F	Pharos: Q53H82	adenoma gastric carcinoma hereditary spastic paraplegia malignant ependymoma nephrosclerosis pancreatic ductal adenocarcinoma psoriasis atypical teratoid rhabdoid tumor glioblastoma limb-girdle muscular dystrophy malignant glioma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma tuberculosis gastric cancer adenoma gastric carcinoma hereditary spastic paraplegia malignant ependymoma nephrosclerosis pancreatic ductal adenocarcinoma psoriasis atypical teratoid rhabdoid tumor glioblastoma limb-girdle muscular dystrophy malignant glioma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma tuberculosis gastric cancer hepatocellular carcinoma lung adenocarcinoma medulloblastoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm

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.