4MJ2 | pdb_00004mj2

Crystal structure of apo-iduronidase in the R3 form

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e4mj2B10	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F:	ECOD (v294.1)
A	PsaA_PsaB	e4mj2A1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PsaA_PsaB	ECOD (v294.1)
A		e4mj2A5	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F:	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.1500	Mainly Beta	Sandwich	Immunoglobulin-like	Glycosyl hydrolase domain	CATH (4.3.0)
B	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.60.40.1500	Mainly Beta	Sandwich	Immunoglobulin-like	Glycosyl hydrolase domain	CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A, B	Apo iduronidase	IDUA	Homo sapiens (human)	IDUA*01	R-LIKE-DOMAIN IDUA (Pr27-653)	RPI	IDUA	IMGT (202614-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF21200	Alpha-L-iduronidase C-terminal domain (Glyco_hydro_39_C)	Alpha-L-iduronidase C-terminal domain	This entry represents the C-terminal Ig-fold domain of Alpha-L-iduronidase enzyme [1-4].	Domain
A, B	PF01229	Glycosyl hydrolases family 39 (Glyco_hydro_39)	Glycosyl hydrolases family 39		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Alpha-L-iduronidase	protein binding binding signaling receptor binding hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity L-iduronidase activity	carbohydrate derivative catabolic process dermatan sulfate proteoglycan metabolic process glycoprotein catabolic process catabolic process carbohydrate derivative metabolic process primary metabolic process protein catabolic process glycoprotein metabolic process macromolecule catabolic process dermatan sulfate proteoglycan catabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process carbohydrate derivative catabolic process dermatan sulfate proteoglycan metabolic process glycoprotein catabolic process catabolic process carbohydrate derivative metabolic process primary metabolic process protein catabolic process glycoprotein metabolic process macromolecule catabolic process dermatan sulfate proteoglycan catabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process proteoglycan catabolic process proteoglycan metabolic process glycosaminoglycan metabolic process aminoglycan catabolic process glycosaminoglycan catabolic process aminoglycan metabolic process heparan sulfate proteoglycan metabolic process heparan sulfate proteoglycan catabolic process carbohydrate metabolic process oligosaccharide metabolic process disaccharide metabolic process heparin proteoglycan catabolic process heparin proteoglycan metabolic process	membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen lytic vacuole vacuolar lumen vacuole intracellular membrane-bounded organelle lysosomal lumen intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle cytoplasm membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen lytic vacuole vacuolar lumen vacuole intracellular membrane-bounded organelle lysosomal lumen intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle cytoplasm lysosome extracellular exosome extracellular vesicle extracellular organelle extracellular region vesicle extracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000514	Glycoside hydrolase, family 39	Family
A, B	IPR049167	Alpha-L-iduronidase, C-terminal domain	Domain
A, B	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B	IPR049166	Glycosyl hydrolases family 39, N-terminal catalytic domain	Domain
A, B	IPR051923	Glycosyl Hydrolase Family 39	Family
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR049165	Glycosyl hydrolases family 39, active site	Active Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P35475	Scheie syndrome Hurler-Scheie syndrome mucopolysaccharidosis type 1 mucopolysaccharidosis Hurler syndrome alpha-L-Iduronidase Deficiency lysosomal storage disease nephrolithiasis susceptibility caused by SLC26A1 primary biliary cholangitis systemic lupus erythematosus bone disease inborn errors of metabolism malignant mesothelioma rheumatoid arthritis systemic sclerosis Scheie syndrome Hurler-Scheie syndrome mucopolysaccharidosis type 1 mucopolysaccharidosis Hurler syndrome alpha-L-Iduronidase Deficiency lysosomal storage disease nephrolithiasis susceptibility caused by SLC26A1 primary biliary cholangitis systemic lupus erythematosus bone disease inborn errors of metabolism malignant mesothelioma rheumatoid arthritis systemic sclerosis craniosynostosis hydrops fetalis intellectual disability myositis plasma cell myeloma

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.