ID G7W9M1_DESOD Unreviewed; 215 AA.
AC G7W9M1;
DT 25-JAN-2012, integrated into UniProtKB/TrEMBL.
DT 25-JAN-2012, sequence version 1.
DT 27-MAR-2024, entry version 68.
DE RecName: Full=3,4-dihydroxy-2-butanone 4-phosphate synthase {ECO:0000256|HAMAP-Rule:MF_00180, ECO:0000256|RuleBase:RU003843};
DE Short=DHBP synthase {ECO:0000256|HAMAP-Rule:MF_00180, ECO:0000256|RuleBase:RU003843};
DE EC=4.1.99.12 {ECO:0000256|HAMAP-Rule:MF_00180, ECO:0000256|RuleBase:RU003843};
GN Name=ribB {ECO:0000256|HAMAP-Rule:MF_00180};
GN OrderedLocusNames=Desor_4532 {ECO:0000313|EMBL:AET69938.1};
OS Desulfosporosinus orientis (strain ATCC 19365 / DSM 765 / NCIMB 8382 / VKM
OS B-1628 / Singapore I) (Desulfotomaculum orientis).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Desulfitobacteriaceae;
OC Desulfosporosinus.
OX NCBI_TaxID=768706 {ECO:0000313|EMBL:AET69938.1, ECO:0000313|Proteomes:UP000006346};
RN [1] {ECO:0000313|Proteomes:UP000006346}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 19365 / DSM 765 / NCIMB 8382 / VKM B-1628
RC {ECO:0000313|Proteomes:UP000006346};
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Ovchinnikova G., Teshima H., Detter J.C., Han C., Tapia R.,
RA Land M., Hauser L., Kyrpides N., Ivanova N., Pagani I., Pester M.,
RA Spring S., Ollivier B., Rattei T., Klenk H.-P., Wagner M., Loy A.,
RA Woyke T.;
RT "Complete sequence of Desulfosporosinus orientis DSM 765.";
RL Submitted (NOV-2011) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:AET69938.1, ECO:0000313|Proteomes:UP000006346}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 19365 / DSM 765 / NCIMB 8382 / VKM B-1628
RC {ECO:0000313|Proteomes:UP000006346};
RX PubMed=23105050; DOI=10.1128/JB.01392-12;
RA Pester M., Brambilla E., Alazard D., Rattei T., Weinmaier T., Han J.,
RA Lucas S., Lapidus A., Cheng J.F., Goodwin L., Pitluck S., Peters L.,
RA Ovchinnikova G., Teshima H., Detter J.C., Han C.S., Tapia R., Land M.L.,
RA Hauser L., Kyrpides N.C., Ivanova N.N., Pagani I., Huntmann M., Wei C.L.,
RA Davenport K.W., Daligault H., Chain P.S., Chen A., Mavromatis K.,
RA Markowitz V., Szeto E., Mikhailova N., Pati A., Wagner M., Woyke T.,
RA Ollivier B., Klenk H.P., Spring S., Loy A.;
RT "Complete genome sequences of Desulfosporosinus orientis DSM765T,
RT Desulfosporosinus youngiae DSM17734T, Desulfosporosinus meridiei DSM13257T,
RT and Desulfosporosinus acidiphilus DSM22704T.";
RL J. Bacteriol. 194:6300-6301(2012).
CC -!- FUNCTION: Catalyzes the conversion of D-ribulose 5-phosphate to formate
CC and 3,4-dihydroxy-2-butanone 4-phosphate.
CC {ECO:0000256|ARBA:ARBA00002284, ECO:0000256|HAMAP-Rule:MF_00180,
CC ECO:0000256|RuleBase:RU003843}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-ribulose 5-phosphate = (2S)-2-hydroxy-3-oxobutyl phosphate +
CC formate + H(+); Xref=Rhea:RHEA:18457, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:15740, ChEBI:CHEBI:58121, ChEBI:CHEBI:58830;
CC EC=4.1.99.12; Evidence={ECO:0000256|HAMAP-Rule:MF_00180,
CC ECO:0000256|RuleBase:RU003843};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00180,
CC ECO:0000256|RuleBase:RU003843};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00180,
CC ECO:0000256|RuleBase:RU003843};
CC Note=Binds 2 divalent metal cations per subunit. Magnesium or
CC manganese. {ECO:0000256|HAMAP-Rule:MF_00180,
CC ECO:0000256|RuleBase:RU003843};
CC -!- PATHWAY: Cofactor biosynthesis; riboflavin biosynthesis; 2-hydroxy-3-
CC oxobutyl phosphate from D-ribulose 5-phosphate: step 1/1.
CC {ECO:0000256|ARBA:ARBA00004904, ECO:0000256|HAMAP-Rule:MF_00180,
CC ECO:0000256|RuleBase:RU003843}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00180,
CC ECO:0000256|RuleBase:RU003843}.
CC -!- SIMILARITY: Belongs to the DHBP synthase family. {ECO:0000256|HAMAP-
CC Rule:MF_00180, ECO:0000256|RuleBase:RU003843}.
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DR EMBL; CP003108; AET69938.1; -; Genomic_DNA.
DR RefSeq; WP_014186745.1; NC_016584.1.
DR AlphaFoldDB; G7W9M1; -.
DR STRING; 768706.Desor_4532; -.
DR KEGG; dor:Desor_4532; -.
DR PATRIC; fig|768706.3.peg.4606; -.
DR eggNOG; COG0108; Bacteria.
DR HOGENOM; CLU_020273_3_0_9; -.
DR OrthoDB; 9793111at2; -.
DR UniPathway; UPA00275; UER00399.
DR Proteomes; UP000006346; Chromosome.
DR GO; GO:0008686; F:3,4-dihydroxy-2-butanone-4-phosphate synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.90.870.10; DHBP synthase; 1.
DR HAMAP; MF_00180; RibB; 1.
DR InterPro; IPR017945; DHBP_synth_RibB-like_a/b_dom.
DR InterPro; IPR000422; DHBP_synthase_RibB.
DR NCBIfam; TIGR00506; ribB; 1.
DR PANTHER; PTHR21327:SF38; 3,4-DIHYDROXY-2-BUTANONE 4-PHOSPHATE SYNTHASE; 1.
DR PANTHER; PTHR21327; GTP CYCLOHYDROLASE II-RELATED; 1.
DR Pfam; PF00926; DHBP_synthase; 1.
DR SUPFAM; SSF55821; YrdC/RibB; 1.
PE 3: Inferred from homology;
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_00180};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00180, ECO:0000256|RuleBase:RU003843};
KW Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|HAMAP-Rule:MF_00180};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00180}; Reference proteome {ECO:0000313|Proteomes:UP000006346};
KW Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619, ECO:0000256|HAMAP-
KW Rule:MF_00180}.
FT BINDING 37..38
FT /ligand="D-ribulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:58121"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00180"
FT BINDING 38
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00180"
FT BINDING 38
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00180"
FT BINDING 42
FT /ligand="D-ribulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:58121"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00180"
FT BINDING 150..154
FT /ligand="D-ribulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:58121"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00180"
FT BINDING 153
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00180"
FT SITE 136
FT /note="Essential for catalytic activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00180"
FT SITE 174
FT /note="Essential for catalytic activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00180"
SQ SEQUENCE 215 AA; 23777 MW; 8B922089CCB4521D CRC64;
MNQTLLKRFG TPFERVEKAL DSLRRGRGVL VTDDEQRENE GDIFFAAQYL TIEQMAMLIR
EGSGIVCLCL PEEKVQELGL PMMVENNTSS YQTPFTVSIE AAIGVTTGVS AADRVTTVKA
AIADKARPED LRRPGHMFPL KAKPLGVLER PGHTEANVDL MKLAGLKPYG VLCELTNPDG
TMARLPEIVA FAEKNEMPVV TVDDIISYRK AREQK
//
