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Annotation rule MF_00625
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General rule information [?]

Accession MF_00625
Dates 17-MAR-2003 (Created)
30-JAN-2020 (Last updated, Version 32)
Name SelD
Scope
Bacteria
Archaea
Template P16456 (SELD_ECOLI)
Triggered by

Propagated annotation [?]


Identifier, protein and gene names [?]

Identifier
SELD
Protein name
RecName: Full=Selenide, water dikinase;
EC 2.7.9.3;
AltName: Full=Selenium donor protein;
AltName: Full=Selenophosphate synthase;
Gene name
selD

Comments [?]

Function Synthesizes selenophosphate from selenide and ATP.
Catalytic activity RHEA:18737: ATP + H2O + hydrogenselenide = AMP + 2 H(+) + phosphate + selenophosphate
EC 2.7.9.3
Cofactor Mg(2+)
Note: Binds 1 Mg(2+) ion per monomer.
Subunit Homodimer.
Similarity Belongs to the selenophosphate synthase 1 family. Class I subfamily.

Keywords [?]

Transferase
Kinase
Selenium
Magnesium
ATP-binding
Metal-binding
Nucleotide-binding

Gene Ontology [?]

GO:0005524; Molecular function: ATP binding.
GO:0000287; Molecular function: magnesium ion binding.
GO:0004756; Molecular function: selenide, water dikinase activity.

Cross-references [?]

Pfam PF00586; AIRS; 1;
PF02769; AIRS_C; 1;
TIGRFAMs TIGR00476; SelD; 1;

Features [?]

From: SELD_ECOLI (P16456)
Key     From     To       Description   Tag   Condition   FTGroup
NP_BIND     48     50       ATP     x(2)-[DE]  
NP_BIND     139     141       ATP; shared with dimeric partner     G-H-[ST]  
ACT_SITE     17     17             [CU]  
METAL     51     51       Magnesium     D  
METAL     91     91       Magnesium     D  
METAL     227     227       Magnesium     D  
BINDING     20     20       ATP     K  
BINDING     68     68       ATP     D  
BINDING     91     91       ATP     D  
SITE     20     20       Important for catalytic activity     K  

Additional information [?]

Size range 334-367 amino acids
Related rules None
Fusion None


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