Annotations: 3WCN

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e3wcnA4	A: alpha complex topology	X: Selenocysteine synthase N-terminal domain (From Topology)	H: Selenocysteine synthase N-terminal domain (From Topology)	T: Selenocysteine synthase N-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF03841	e3wcnA6	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: PF03841	ECOD (1.6)
A	PF03841	e3wcnA3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: PF03841	ECOD (1.6)
B	F_UNCLASSIFIED	e3wcnB4	A: alpha complex topology	X: Selenocysteine synthase N-terminal domain (From Topology)	H: Selenocysteine synthase N-terminal domain (From Topology)	T: Selenocysteine synthase N-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF03841	e3wcnB6	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: PF03841	ECOD (1.6)
B	PF03841	e3wcnB3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: PF03841	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1150.110	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.2.0)
A	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.2.0)
B	3.90.1150.110	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.2.0)
B	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.2.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03841	L-seryl-tRNA selenium transferase (SelA)	L-seryl-tRNA selenium transferase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	L-seryl-tRNA(Sec) selenium transferase	catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid selenotransferase activity catalytic activity, acting on a tRNA transferase activity L-seryl-tRNA(Sec) selenium transferase activity catalytic activity identical protein binding protein binding binding	selenocysteine incorporation regulation of cellular process cellular biosynthetic process organonitrogen compound biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression protein metabolic process regulation of biosynthetic process regulation of biological process organonitrogen compound metabolic process cellular metabolic process regulation of protein metabolic process biological regulation regulation of cellular metabolic process selenocysteine incorporation regulation of cellular process cellular biosynthetic process organonitrogen compound biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression protein metabolic process regulation of biosynthetic process regulation of biological process organonitrogen compound metabolic process cellular metabolic process regulation of protein metabolic process biological regulation regulation of cellular metabolic process primary metabolic process regulation of macromolecule metabolic process translational readthrough gene expression translation macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process regulation of translation translational elongation regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A, B	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A, B	IPR018319	L-seryl-tRNA selenium transferase-like	Family
A, B	IPR004534	L-seryl-tRNA(Sec) selenium transferase	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 R01GM133198.