Annotations: 3D8R

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3d8ra1	Alpha and beta proteins (a/b)	HemD-like	HemD-like	HemD-like	automated matches	(Thermus thermophilus HB27 ) [TaxId: 262724 ],	SCOPe (2.08)
A	d3d8ra2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Thermus thermophilus HB27 ) [TaxId: 262724 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	HemD-like	8086157	4003361	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	HemD-like	8086158	3000689	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HEM4	e3d8rA3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Uroporphyrinogen III synthase (U3S, HemD)	F: HEM4	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.10090	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02602	Uroporphyrinogen-III synthase HemD (HEM4)	Uroporphyrinogen-III synthase HemD	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Uroporphyrinogen-III synthase	hydro-lyase activity uroporphyrinogen-III synthase activity lyase activity catalytic activity carbon-oxygen lyase activity	porphyrin-containing compound biosynthetic process oxoacid metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process uroporphyrinogen III metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process organic substance metabolic process tetrapyrrole biosynthetic process organic substance biosynthetic process small molecule metabolic process porphyrin-containing compound metabolic process organonitrogen compound metabolic process porphyrin-containing compound biosynthetic process oxoacid metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process uroporphyrinogen III metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process organic substance metabolic process tetrapyrrole biosynthetic process organic substance biosynthetic process small molecule metabolic process porphyrin-containing compound metabolic process organonitrogen compound metabolic process tetrapyrrole metabolic process small molecule biosynthetic process cellular metabolic process carboxylic acid metabolic process organic cyclic compound metabolic process biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process uroporphyrinogen III biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036108	Tetrapyrrole biosynthesis, uroporphyrinogen III synthase superfamily	Homologous Superfamily
A	IPR039793	Uroporphyrinogen-III synthase	Family
A	IPR003754	Tetrapyrrole biosynthesis, uroporphyrinogen III synthase	Domain

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.