Annotations: 5B4B

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00149	e5b4bA1	A: a+b four layers	X: Carbon-nitrogen hydrolase-like	H: Metallo-dependent phosphatases (From Topology)	T: Metallo-dependent phosphatases	F: PF00149	ECOD (1.6)
B	PF00149	e5b4bB1	A: a+b four layers	X: Carbon-nitrogen hydrolase-like	H: Metallo-dependent phosphatases (From Topology)	T: Metallo-dependent phosphatases	F: PF00149	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	UDP-2,3-diacylglucosamine hydrolase	cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding pyrophosphatase activity UDP-2,3-diacylglucosamine hydrolase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity lipid binding cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding pyrophosphatase activity UDP-2,3-diacylglucosamine hydrolase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity lipid binding glycolipid binding carbohydrate derivative binding	glycolipid metabolic process cellular biosynthetic process lipid A biosynthetic process carbohydrate derivative metabolic process lipid biosynthetic process phospholipid metabolic process phosphate-containing compound metabolic process lipooligosaccharide biosynthetic process phosphorus metabolic process carbohydrate derivative biosynthetic process membrane lipid metabolic process lipooligosaccharide metabolic process cellular metabolic process liposaccharide metabolic process glycolipid metabolic process cellular biosynthetic process lipid A biosynthetic process carbohydrate derivative metabolic process lipid biosynthetic process phospholipid metabolic process phosphate-containing compound metabolic process lipooligosaccharide biosynthetic process phosphorus metabolic process carbohydrate derivative biosynthetic process membrane lipid metabolic process lipooligosaccharide metabolic process cellular metabolic process liposaccharide metabolic process primary metabolic process glycolipid biosynthetic process phospholipid biosynthetic process lipid A metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process cellular lipid metabolic process metabolic process cellular process membrane lipid biosynthetic process lipid metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cell periphery extrinsic component of plasma membrane membrane plasma membrane extrinsic component of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004843	Calcineurin-like phosphoesterase domain, ApaH type	Domain
A, B	IPR043461	UDP-2,3-diacylglucosamine hydrolase LpxH-like	Family
A, B	IPR010138	UDP-2,3-diacylglucosamine hydrolase	Family
A, B	IPR029052	Metallo-dependent phosphatase-like	Homologous Superfamily

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	MONOTOPIC MEMBRANE PROTEINS	Hydrolases	LpxH pyrophosphohydrase with bound lipid X & Mn²⁺

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 R01GM133198.