Annotations: 1USO

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1usob_	Alpha and beta proteins (a+b)	DCoH-like	PCD-like	PCD-like	Pterin-4a-carbinolamine dehydratase (PCD)/dimerization cofactor of HNF1 (DCoH)	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
A	d1usoa_	Alpha and beta proteins (a+b)	DCoH-like	PCD-like	PCD-like	Pterin-4a-carbinolamine dehydratase (PCD)/dimerization cofactor of HNF1 (DCoH)	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Pterin_4a	e1usoB1	A: a+b two layers	X: DCoH-like	H: Pterin-4a-carbinolamine dehydratase (PCD)/dimerization cofactor of HNF1 (DCoH) (From Topology)	T: Pterin-4a-carbinolamine dehydratase (PCD)/dimerization cofactor of HNF1 (DCoH)	F: Pterin_4a	ECOD (1.6)
A	Pterin_4a	e1usoA1	A: a+b two layers	X: DCoH-like	H: Pterin-4a-carbinolamine dehydratase (PCD)/dimerization cofactor of HNF1 (DCoH) (From Topology)	T: Pterin-4a-carbinolamine dehydratase (PCD)/dimerization cofactor of HNF1 (DCoH)	F: Pterin_4a	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.1360.20	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (4.3.0)
A	3.30.1360.20	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01329	Pterin 4 alpha carbinolamine dehydratase (Pterin_4a)	Pterin 4 alpha carbinolamine dehydratase	Pterin 4 alpha carbinolamine dehydratase is also known as DCoH (dimerisation cofactor of hepatocyte nuclear factor 1-alpha).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	HEPATOCYTE NUCLEAR FACTOR 1-ALPHA	4-alpha-hydroxytetrahydrobiopterin dehydratase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity	polyol metabolic process small molecule biosynthetic process organic hydroxy compound metabolic process alcohol metabolic process diol biosynthetic process diol metabolic process biosynthetic process tetrahydrobiopterin biosynthetic process tetrahydrobiopterin metabolic process organic hydroxy compound biosynthetic process pteridine-containing compound biosynthetic process polyol biosynthetic process alcohol biosynthetic process metabolic process polyol metabolic process small molecule biosynthetic process organic hydroxy compound metabolic process alcohol metabolic process diol biosynthetic process diol metabolic process biosynthetic process tetrahydrobiopterin biosynthetic process tetrahydrobiopterin metabolic process organic hydroxy compound biosynthetic process pteridine-containing compound biosynthetic process polyol biosynthetic process alcohol biosynthetic process metabolic process cellular process small molecule metabolic process pteridine-containing compound metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036428	Pterin 4 alpha carbinolamine dehydratase superfamily	Homologous Superfamily
A, B	IPR050376	Pterin-4-alpha-carbinolamine dehydratase	Family
A, B	IPR001533	Pterin 4 alpha carbinolamine dehydratase	Family

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.