Annotations: 4ES6

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HEM4	e4es6A1	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	pigment metabolic process heme metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process heme biosynthetic process protoporphyrinogen IX metabolic process pigment biosynthetic process protoporphyrinogen IX biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process porphyrin-containing compound metabolic process small molecule biosynthetic process oxoacid metabolic process pigment metabolic process heme metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process heme biosynthetic process protoporphyrinogen IX metabolic process pigment biosynthetic process protoporphyrinogen IX biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process porphyrin-containing compound metabolic process small molecule biosynthetic process oxoacid metabolic process cellular biosynthetic process cellular metabolic process carboxylic acid metabolic process uroporphyrinogen III metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process small molecule 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 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.