ID I1BK50_RHIO9 Unreviewed; 215 AA.
AC I1BK50;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 24-JAN-2024, entry version 44.
DE RecName: Full=3,4-dihydroxy-2-butanone 4-phosphate synthase {ECO:0000256|RuleBase:RU003843};
DE Short=DHBP synthase {ECO:0000256|RuleBase:RU003843};
DE EC=4.1.99.12 {ECO:0000256|RuleBase:RU003843};
GN ORFNames=RO3G_01284 {ECO:0000313|EMBL:EIE76580.1};
OS Rhizopus delemar (strain RA 99-880 / ATCC MYA-4621 / FGSC 9543 / NRRL
OS 43880) (Mucormycosis agent) (Rhizopus arrhizus var. delemar).
OC Eukaryota; Fungi; Fungi incertae sedis; Mucoromycota; Mucoromycotina;
OC Mucoromycetes; Mucorales; Mucorineae; Rhizopodaceae; Rhizopus.
OX NCBI_TaxID=246409 {ECO:0000313|EMBL:EIE76580.1, ECO:0000313|Proteomes:UP000009138};
RN [1] {ECO:0000313|EMBL:EIE76580.1, ECO:0000313|Proteomes:UP000009138}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RA 99-880 / ATCC MYA-4621 / FGSC 9543 / NRRL 43880
RC {ECO:0000313|Proteomes:UP000009138};
RX PubMed=19578406; DOI=10.1371/journal.pgen.1000549;
RA Ma L.-J., Ibrahim A.S., Skory C., Grabherr M.G., Burger G., Butler M.,
RA Elias M., Idnurm A., Lang B.F., Sone T., Abe A., Calvo S.E.,
RA Corrochano L.M., Engels R., Fu J., Hansberg W., Kim J.-M., Kodira C.D.,
RA Koehrsen M.J., Liu B., Miranda-Saavedra D., O'Leary S.,
RA Ortiz-Castellanos L., Poulter R., Rodriguez-Romero J., Ruiz-Herrera J.,
RA Shen Y.-Q., Zeng Q., Galagan J., Birren B.W., Cuomo C.A., Wickes B.L.;
RT "Genomic analysis of the basal lineage fungus Rhizopus oryzae reveals a
RT whole-genome duplication.";
RL PLoS Genet. 5:E1000549-E1000549(2009).
CC -!- FUNCTION: Catalyzes the conversion of D-ribulose 5-phosphate to formate
CC and 3,4-dihydroxy-2-butanone 4-phosphate.
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|RuleBase:RU003843};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|RuleBase:RU003843};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|RuleBase:RU003843};
CC Note=Binds 2 divalent metal cations per subunit. Magnesium or
CC manganese. {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|RuleBase:RU003843}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|RuleBase:RU003843}.
CC -!- SIMILARITY: Belongs to the DHBP synthase family.
CC {ECO:0000256|RuleBase:RU003843}.
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DR EMBL; CH476732; EIE76580.1; -; Genomic_DNA.
DR AlphaFoldDB; I1BK50; -.
DR STRING; 246409.I1BK50; -.
DR VEuPathDB; FungiDB:RO3G_01284; -.
DR eggNOG; KOG1284; Eukaryota.
DR InParanoid; I1BK50; -.
DR OMA; DAGGLIC; -.
DR OrthoDB; 5489599at2759; -.
DR UniPathway; UPA00275; UER00399.
DR Proteomes; UP000009138; Unassembled WGS sequence.
DR GO; GO:0008686; F:3,4-dihydroxy-2-butanone-4-phosphate synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IEA:UniProtKB-UniPathway.
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:SF18; 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|RuleBase:RU003843};
KW Magnesium {ECO:0000256|RuleBase:RU003843};
KW Manganese {ECO:0000256|RuleBase:RU003843};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU003843};
KW Reference proteome {ECO:0000313|Proteomes:UP000009138};
KW Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619,
KW ECO:0000256|RuleBase:RU003843}.
SQ SEQUENCE 215 AA; 24261 MW; B6FD402F0CC2715B CRC64;
MVDSKTKAFE YEFDSVEEAI KDFAANKFII VMDNEDRENE GDLIIAAEKI TTEQMAFLIR
HSSGYICAPT TKERLDELEL PLMVEKNTEL MRTAYTISCD YAHGTTTGIS AHDRALTARK
LADATSRPED FMRPGHILPL RSVPGGTFKR FGHTEAAVDL CQLAGVYPVA CIGEIVNDDE
QGTMARRDDC FEFAKKHNIK MITIQDIIAY RKRQE
//
