Annotations: 3W1K

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	Se-cys_synth_N_like,EUF08255	e3w1kE1	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: Se-cys_synth_N_like,EUF08255	ECOD (1.6)
E	SelA_C	e3w1kE3	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: SelA_C	ECOD (1.6)
E	SelA_N	e3w1kE4	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: SelA_N	ECOD (1.6)
D	Se-cys_synth_N_like,EUF08255	e3w1kD1	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: Se-cys_synth_N_like,EUF08255	ECOD (1.6)
D	SelA_C	e3w1kD3	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: SelA_C	ECOD (1.6)
D	SelA_N	e3w1kD4	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: SelA_N	ECOD (1.6)
C	Se-cys_synth_N_like,EUF08255	e3w1kC1	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: Se-cys_synth_N_like,EUF08255	ECOD (1.6)
C	SelA_C	e3w1kC3	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: SelA_C	ECOD (1.6)
C	SelA_N	e3w1kC4	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: SelA_N	ECOD (1.6)
B	Se-cys_synth_N_like,EUF08255	e3w1kB1	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: Se-cys_synth_N_like,EUF08255	ECOD (1.6)
B	SelA_C	e3w1kB3	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: SelA_C	ECOD (1.6)
B	SelA_N	e3w1kB4	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: SelA_N	ECOD (1.6)
A	Se-cys_synth_N_like,EUF08255	e3w1kA1	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: Se-cys_synth_N_like,EUF08255	ECOD (1.6)
A	SelA_C	e3w1kA3	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: SelA_C	ECOD (1.6)
A	SelA_N	e3w1kA4	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: SelA_N	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E	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
F, G, H, I, J	selenocysteine tRNA	-	-	-
A, B, C, D, E	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 protein biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression protein metabolic process regulation of biosynthetic process regulation of biological process regulation of protein metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process translational readthrough gene expression selenocysteine incorporation regulation of cellular process protein biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression protein metabolic process regulation of biosynthetic process regulation of biological process regulation of protein metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process translational readthrough gene expression translation macromolecule 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 conversion of seryl-tRNAsec to selenocys-tRNAsec tRNA modification RNA metabolic process nucleobase-containing compound biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process RNA modification tRNA processing macromolecule modification charged-tRNA amino acid modification RNA processing	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

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

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D, E	LLP	Parent Component: LYS RESID: AA0119 PSI-MOD : N6-pyridoxal phosphate-L-lysine MOD:00128

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.