4MU3

The form A structure of an E21Q catalytic mutant of A. thaliana IGPD2 in complex with Mn2+ and a mixture of its substrate, 2R3S-IGP, and an inhibitor, 2S3S-IGP, to 1.12 A resolution

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4mu3a2	Alpha and beta proteins (a+b)	Ribosomal protein S5 domain 2-like	Ribosomal protein S5 domain 2-like	Imidazole glycerol phosphate dehydratase	automated matches	mouse-ear cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
A	d4mu3a1	Alpha and beta proteins (a+b)	Ribosomal protein S5 domain 2-like	Ribosomal protein S5 domain 2-like	automated matches	automated matches	mouse-ear cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	IGPD_C	e4mu3A2	A: a+b two layers	X: Ribosomal protein S5 domain 2-like (From Topology)	H: Ribosomal protein S5 domain 2-like (From Topology)	T: Ribosomal protein S5 domain 2-like	F: IGPD_C	ECOD (1.6)
A	IGPD_N	e4mu3A1	A: a+b two layers	X: Ribosomal protein S5 domain 2-like (From Topology)	H: Ribosomal protein S5 domain 2-like (From Topology)	T: Ribosomal protein S5 domain 2-like	F: IGPD_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.230.40	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00475	Imidazoleglycerol-phosphate dehydratase (IGPD)	Imidazoleglycerol-phosphate dehydratase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Imidazoleglycerol-phosphate dehydratase 2, chloroplastic	imidazoleglycerol-phosphate dehydratase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity cation binding ion binding binding metal ion binding small molecule binding	organonitrogen compound metabolic process small molecule biosynthetic process oxoacid metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process small molecule metabolic process organonitrogen compound metabolic process small molecule biosynthetic process oxoacid metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process small molecule metabolic process metabolic process cellular process histidine metabolic process histidine biosynthetic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000807	Imidazoleglycerol-phosphate dehydratase	Family
A	IPR038494	Imidazole glycerol phosphate dehydratase domain superfamily	Homologous Superfamily
A	IPR020565	Imidazoleglycerol-phosphate dehydratase, conserved site	Conserved Site
A	IPR020568	Ribosomal protein uS5 domain 2-type 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.