Mechanism	Inverting e
3D Structure Status	lysozyme fold
Catalytic Nucleophile/Base	Not known
Catalytic Proton Donor	Not known
Note	Contains chitinases of classes I, II, and IV. Subfamiles established in (Hornung and Terrapon, 2024) [PMID:37585436]
External resources	CAZypedia; PROSITE;
Statistics	GenBank accession (8); Uniprot accession (5); PDB accession (7); 3D entries (7); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
peptidoglycan endo-β-1,4-N-acetylmuramidase (Ri1_23460)	3.2.1.17	Aeromonas dhakensis RYU-Ah62	BEJ49747.1		8XCL[A] 2.27	1
peptidoglycan endo-β-1,4-N-acetylmuramidase (PaGH19Lys;PA14_08160)	3.2.1.17	Pseudomonas aeruginosa UCBPP-PA14	ABJ15594.1 QDL62652.1		9EOI[A,B] 1.77	1
Smlt2992		Stenotrophomonas maltophilia K279a	CAQ46442.1		7R6S[A,B] 1.90	1
unclassified
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
ORF		metagenome			9MS6[A] 2.15	1
ORF		metagenome			9MS7[A,B] 1.50	1
Viruses
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
endolysin	3.2.1.17	Pseudomonas phage BL3	WPF70486.1	A0A9E7MJ36	8P8E[A]	1
endolysin (SPN1S_0028)	3.2.1.17	Salmonella phage SPN1S	AEX26904.1	H2D0G4	4OK7[A,B,C] 1.90	1
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