Annotations: 3W1H

Crystal structure of the selenocysteine synthase SelA from Aquifex aeolicus

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	A2M_BRD	e3w1hE2	A: beta barrels	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: A2M_BRD	ECOD (v294.2)
E	7tm_1	e3w1hE4	A: beta barrels	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: 7tm_1	ECOD (v294.2)
D	A2M_BRD	e3w1hD2	A: beta barrels	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: A2M_BRD	ECOD (v294.2)
D	7tm_1	e3w1hD3	A: beta barrels	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: 7tm_1	ECOD (v294.2)
C	PolyA_pol	e3w1hC1	A: beta barrels	X: POZ domain	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PolyA_pol	ECOD (v294.2)
C	7tm_1	e3w1hC3	A: beta barrels	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: 7tm_1	ECOD (v294.2)
B	SelA	e3w1hB3	A: beta barrels	X: C-terminal domain in some PLP-dependent transferases	H: C-terminal domain in some PLP-dependent transferases	T: C-terminal domain in some PLP-dependent transferases	F: SelA	ECOD (v294.2)
B	RNA_pol_Rpb1_2	e3w1hB4	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: double psi	F: RNA_pol_Rpb1_2	ECOD (v294.2)
B	7tm_1	e3w1hB5	A: beta barrels	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: 7tm_1	ECOD (v294.2)
A	A2M_BRD	e3w1hA3	A: beta barrels	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: A2M_BRD	ECOD (v294.2)
A	7tm_1	e3w1hA4	A: beta barrels	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: 7tm_1	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E	3.90.1150.180	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)
E	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
D	3.90.1150.180	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)
D	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
C	3.90.1150.110	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)
C	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
B	3.90.1150.110	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)
B	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
A	3.90.1150.110	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)
A	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)

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
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	IPR018319	L-seryl-tRNA selenium transferase-like	Domain
A, B, C, D, E	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
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 : AA0119 : N6-pyridoxal phosphate-L-lysine MOD:00128

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.