locus-tag	class	description
Y_15	IPR036505	N-acetylmuramoyl-L-alanine amidase/PGRP domain superfamily
Y_15	IPR002502	N-acetylmuramoyl-L-alanine amidase domain
Y_15	IPR018247	EF-Hand 1, calcium-binding site
Y_40	IPR023346	Lysozyme-like domain superfamily
Y_40	IPR023703	Membrane-bound lytic murein transglycosylase F
Y_40	IPR001638	Solute-binding protein  family 3/N-terminal domain of MltF
Y_40	IPR000189	Prokaryotic transglycosylase, active site
Y_40	IPR008258	Transglycosylase SLT domain 1