Annotations: 4ZPU

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Phage_lysozyme_1	e4zpuA1	A: a+b complex topology	X: Lysozyme-like (From Homology)	H: Lysozyme-like	T: Lysozyme-like	F: Phage_lysozyme_1	ECOD (1.6)
B	Phage_lysozyme_1	e4zpuB1	A: a+b complex topology	X: Lysozyme-like (From Homology)	H: Lysozyme-like	T: Lysozyme-like	F: Phage_lysozyme_1	ECOD (1.6)
C	Phage_lysozyme_1	e4zpuC1	A: a+b complex topology	X: Lysozyme-like (From Homology)	H: Lysozyme-like	T: Lysozyme-like	F: Phage_lysozyme_1	ECOD (1.6)
D	Phage_lysozyme_1	e4zpuD1	A: a+b complex topology	X: Lysozyme-like (From Homology)	H: Lysozyme-like	T: Lysozyme-like	F: Phage_lysozyme_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.530.40	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)
B	1.10.530.40	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)
C	1.10.530.40	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)
D	1.10.530.40	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00959	Phage lysozyme (Phage_lysozyme)	Phage lysozyme	This family includes lambda phage lysozyme and E. coli endolysin.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Lysozyme RrrD	hydrolase activity, acting on glycosyl bonds peptidoglycan muralytic activity hydrolase activity, hydrolyzing O-glycosyl compounds lysozyme activity hydrolase activity catalytic activity	biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to external stimulus response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus organonitrogen compound catabolic process carbohydrate derivative catabolic process organonitrogen compound metabolic process biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to external stimulus response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus organonitrogen compound catabolic process carbohydrate derivative catabolic process organonitrogen compound metabolic process catabolic process peptidoglycan catabolic process glycosaminoglycan metabolic process carbohydrate derivative metabolic process aminoglycan catabolic process macromolecule catabolic process glycosaminoglycan catabolic process organic substance metabolic process aminoglycan metabolic process peptidoglycan metabolic process metabolic process macromolecule metabolic process organic substance catabolic process symbiont-mediated cytolysis of host cell viral life cycle disruption of cell in another organism cytolysis biological process involved in interaction with host biological process involved in symbiotic interaction viral release from host cell by cytolysis disruption of cellular anatomical structure in another organism exit from host cell viral process cytolysis in another organism cellular process viral release from host cell disruption of anatomical structure in another organism symbiont-mediated killing of host cell killing of cells of another organism cell killing disruption of plasma membrane integrity in another organism cell wall organization or biogenesis cell wall macromolecule catabolic process cell wall macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR043688	SAR-endolysin-like	Family
A, B, C, D	IPR034690	Endolysin T4 type	Family
A, B, C, D	IPR002196	Glycoside hydrolase, family 24	Family
A, B, C, D	IPR023347	Lysozyme domain superfamily	Homologous Superfamily
A, B, C, D	IPR023346	Lysozyme-like domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.