AC   MF_00625;
DC   Protein; auto
TR   HAMAP; MF_00625; -; 1; level=0
XX
Names: SelD
XX
ID   SELD
DE   RecName: Full=Selenide, water dikinase;
DE            EC=2.7.9.3;
DE   AltName: Full=Selenium donor protein;
DE   AltName: Full=Selenophosphate synthase;
GN   Name=selD;
XX
CC   -!- FUNCTION: Synthesizes selenophosphate from selenide and ATP.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O + hydrogenselenide = AMP + 2 H(+) + phosphate +
CC         selenophosphate; Xref=Rhea:RHEA:18737, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16144, ChEBI:CHEBI:29317,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:456215; EC=2.7.9.3;
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC       Note=Binds 1 Mg(2+) ion per monomer.;
CC   -!- SUBUNIT: Homodimer.
CC   -!- SIMILARITY: Belongs to the selenophosphate synthase 1 family. Class I
CC       subfamily.
XX
DR   Pfam; PF00586; AIRS; 1; trigger=no
DR   Pfam; PF02769; AIRS_C; 1; trigger=no
DR   NCBIfam; TIGR00476; SelD; 1; trigger=no
XX
KW   Transferase
KW   Kinase
KW   Selenium
KW   Magnesium
KW   ATP-binding
KW   Metal-binding
KW   Nucleotide-binding
XX
GO   GO:0005524; F:ATP binding
GO   GO:0000287; F:magnesium ion binding
GO   GO:0004756; F:selenide, water dikinase activity
XX
FT   From: SELD_ECOLI (P16456)
FT   BINDING         48..50
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT   Condition: x(2)-[DE]
FT   BINDING         139..141
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /ligand_note="ligand shared between dimeric partners"
FT   Condition: G-H-[ST]
FT   ACT_SITE        17
FT   Condition: [CU]
FT   BINDING         51
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT   Condition: D
FT   BINDING         91
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT   Condition: D
FT   BINDING         227
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT   Condition: D
FT   BINDING         20
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT   Condition: K
FT   BINDING         68
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT   Condition: D
FT   BINDING         91
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT   Condition: D
FT   SITE            20
FT                   /note="Important for catalytic activity"
FT   Condition: K
XX
Size: 334-367;
Related: None;
Template: P16456;
Scope:
 Bacteria
 Archaea
Fusion:
 Nter: None
 Cter: None
Duplicate: in PEPAC
Plasmid: in RHIME
Comments: None
XX
# Revision 1.36 2023/06/01
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