ID G2LK31_CHLTF Unreviewed; 349 AA.
AC G2LK31;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 27-MAR-2024, entry version 69.
DE RecName: Full=Selenide, water dikinase {ECO:0000256|HAMAP-Rule:MF_00625};
DE EC=2.7.9.3 {ECO:0000256|HAMAP-Rule:MF_00625};
DE AltName: Full=Selenium donor protein {ECO:0000256|HAMAP-Rule:MF_00625};
DE AltName: Full=Selenophosphate synthase {ECO:0000256|HAMAP-Rule:MF_00625};
GN Name=selD {ECO:0000256|HAMAP-Rule:MF_00625};
GN OrderedLocusNames=Cabther_B0195 {ECO:0000313|EMBL:AEP13198.1};
OS Chloracidobacterium thermophilum (strain B).
OC Bacteria; Acidobacteriota; Blastocatellia; Chloracidobacterium.
OX NCBI_TaxID=981222 {ECO:0000313|EMBL:AEP13198.1, ECO:0000313|Proteomes:UP000006791};
RN [1] {ECO:0000313|EMBL:AEP13198.1, ECO:0000313|Proteomes:UP000006791}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B {ECO:0000313|EMBL:AEP13198.1,
RC ECO:0000313|Proteomes:UP000006791};
RX PubMed=21951563; DOI=10.1111/j.1462-2920.2011.02592.x;
RA Garcia Costas A.M., Liu Z., Tomsho L.P., Schuster S.C., Ward D.M.,
RA Bryant D.A.;
RT "Complete genome of Candidatus Chloracidobacterium thermophilum, a
RT chlorophyll-based photoheterotroph belonging to the phylum Acidobacteria.";
RL Environ. Microbiol. 14:177-190(2012).
CC -!- FUNCTION: Synthesizes selenophosphate from selenide and ATP.
CC {ECO:0000256|HAMAP-Rule:MF_00625}.
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 Evidence={ECO:0000256|HAMAP-Rule:MF_00625};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00625};
CC Note=Binds 1 Mg(2+) ion per monomer. {ECO:0000256|HAMAP-Rule:MF_00625};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00625}.
CC -!- SIMILARITY: Belongs to the selenophosphate synthase 1 family. Class I
CC subfamily. {ECO:0000256|ARBA:ARBA00008026, ECO:0000256|HAMAP-
CC Rule:MF_00625}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP002515; AEP13198.1; -; Genomic_DNA.
DR RefSeq; WP_014100936.1; NC_016025.1.
DR AlphaFoldDB; G2LK31; -.
DR STRING; 981222.Cabther_B0195; -.
DR KEGG; ctm:Cabther_B0195; -.
DR HOGENOM; CLU_032859_0_1_0; -.
DR OrthoDB; 9772934at2; -.
DR Proteomes; UP000006791; Chromosome 2.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004756; F:selenide, water dikinase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR GO; GO:0016260; P:selenocysteine biosynthetic process; IEA:InterPro.
DR CDD; cd02195; SelD; 1.
DR Gene3D; 3.90.650.10; PurM-like C-terminal domain; 1.
DR Gene3D; 3.30.1330.10; PurM-like, N-terminal domain; 1.
DR HAMAP; MF_00625; SelD; 1.
DR InterPro; IPR010918; PurM-like_C_dom.
DR InterPro; IPR036676; PurM-like_C_sf.
DR InterPro; IPR016188; PurM-like_N.
DR InterPro; IPR036921; PurM-like_N_sf.
DR InterPro; IPR023061; SelD_I.
DR InterPro; IPR004536; SPS/SelD.
DR NCBIfam; TIGR00476; selD; 1.
DR PANTHER; PTHR10256:SF0; INACTIVE SELENIDE, WATER DIKINASE-LIKE PROTEIN-RELATED; 1.
DR PANTHER; PTHR10256; SELENIDE, WATER DIKINASE; 1.
DR Pfam; PF00586; AIRS; 1.
DR Pfam; PF02769; AIRS_C; 1.
DR PIRSF; PIRSF036407; Selenphspht_syn; 1.
DR SUPFAM; SSF56042; PurM C-terminal domain-like; 1.
DR SUPFAM; SSF55326; PurM N-terminal domain-like; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|HAMAP-Rule:MF_00625};
KW Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|HAMAP-Rule:MF_00625};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00625};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00625};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00625};
KW Reference proteome {ECO:0000313|Proteomes:UP000006791};
KW Selenium {ECO:0000256|ARBA:ARBA00023266, ECO:0000256|HAMAP-Rule:MF_00625};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00625}.
FT DOMAIN 48..155
FT /note="PurM-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00586"
FT DOMAIN 167..346
FT /note="PurM-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02769"
FT ACT_SITE 16
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT BINDING 19
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT BINDING 46..48
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT BINDING 49
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT BINDING 66
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT BINDING 89
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT BINDING 89
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT BINDING 137..139
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT BINDING 225
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
FT SITE 19
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00625"
SQ SEQUENCE 349 AA; 36240 MW; AE5420026378CCFF CRC64;
MTSPIRLTKL AKRAGCAAKQ PPGYLFSLLG QLPPLRDPQV LVGSATADDA AVYRLTDDLA
LVLTTDFFTP IVDDPTDFGA IAAANALSDV YAMGGTPRVA LNLVGFPDDR LPPEVLGDIL
RGAAAVAEAA GVSIVGGHTI KSEEPIYGLA VVGTVAPDRM LTNAAGRPGD WLVLTKPIGV
GVITTAAKND VDTLGAIGEA IQLMRILNRA AAEAACAVGV RAATDVTGFG LLGHLRNLAY
ASGCAAEVDL TDVPILAAAR HYAAEGIVPG GTHANRRFLQ DWTTYAPEVT ETDQLLLCDA
QTSGGLLLAV APETVEDLVR ELKRRQTPCA ARIGRLAAGT PGRLTVHRS
//
