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Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]

 F8IFJ9_ALIAT            Unreviewed;       396 AA.
F8IFJ9;
21-SEP-2011, integrated into UniProtKB/TrEMBL.
21-SEP-2011, sequence version 1.
05-JUN-2019, entry version 63.
RecName: Full=Riboflavin biosynthesis protein RibBA {ECO:0000256|HAMAP-Rule:MF_01283};
Includes:
RecName: Full=3,4-dihydroxy-2-butanone 4-phosphate synthase {ECO:0000256|HAMAP-Rule:MF_01283};
Short=DHBP synthase {ECO:0000256|HAMAP-Rule:MF_01283};
EC=4.1.99.12 {ECO:0000256|HAMAP-Rule:MF_01283};
Includes:
RecName: Full=GTP cyclohydrolase-2 {ECO:0000256|HAMAP-Rule:MF_01283};
EC=3.5.4.25 {ECO:0000256|HAMAP-Rule:MF_01283};
AltName: Full=GTP cyclohydrolase II {ECO:0000256|HAMAP-Rule:MF_01283};
Name=ribBA {ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000313|EMBL:AEJ42901.1};
OrderedLocusNames=TC41_0948 {ECO:0000313|EMBL:AEJ42901.1};
Alicyclobacillus acidocaldarius (strain Tc-4-1) (Bacillus
acidocaldarius).
Bacteria; Firmicutes; Bacilli; Bacillales; Alicyclobacillaceae;
Alicyclobacillus.
NCBI_TaxID=1048834 {ECO:0000313|EMBL:AEJ42901.1, ECO:0000313|Proteomes:UP000000292};
[1] {ECO:0000313|EMBL:AEJ42901.1, ECO:0000313|Proteomes:UP000000292}
NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
STRAIN=Tc-4-1 {ECO:0000313|EMBL:AEJ42901.1,
ECO:0000313|Proteomes:UP000000292};
PubMed=21914900; DOI=10.1128/JB.05709-11;
Chen Y., He Y., Zhang B., Yang J., Li W., Dong Z., Hu S.;
"Complete Genome Sequence of Alicyclobacillus acidocaldarius Strain
Tc-4-1.";
J. Bacteriol. 193:5602-5603(2011).
[2] {ECO:0000313|Proteomes:UP000000292}
NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
STRAIN=Tc-4-1 {ECO:0000313|Proteomes:UP000000292};
Chen Y., He Y., Dong Z., Hu S.;
"The complete genome sequence of Alicyclobacillus acidocaldarius sp.
Tc-4-1.";
Submitted (JUN-2011) to the EMBL/GenBank/DDBJ databases.
-!- FUNCTION: Catalyzes the conversion of D-ribulose 5-phosphate to
formate and 3,4-dihydroxy-2-butanone 4-phosphate.
{ECO:0000256|HAMAP-Rule:MF_01283, ECO:0000256|SAAS:SAAS00739193}.
-!- FUNCTION: Catalyzes the conversion of GTP to 2,5-diamino-6-
ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and
pyrophosphate. {ECO:0000256|HAMAP-Rule:MF_01283}.
-!- CATALYTIC ACTIVITY:
Reaction=D-ribulose 5-phosphate = (2S)-2-hydroxy-3-oxobutyl
phosphate + formate + H(+); Xref=Rhea:RHEA:18457,
ChEBI:CHEBI:15378, ChEBI:CHEBI:15740, ChEBI:CHEBI:58121,
ChEBI:CHEBI:58830; EC=4.1.99.12; Evidence={ECO:0000256|HAMAP-
Rule:MF_01283};
-!- CATALYTIC ACTIVITY:
Reaction=GTP + 3 H2O = 2,5-diamino-6-hydroxy-4-(5-
phosphoribosylamino)-pyrimidine + diphosphate + formate + 2
H(+); Xref=Rhea:RHEA:23704, ChEBI:CHEBI:15377,
ChEBI:CHEBI:15378, ChEBI:CHEBI:15740, ChEBI:CHEBI:33019,
ChEBI:CHEBI:37565, ChEBI:CHEBI:58614; EC=3.5.4.25;
Evidence={ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000256|SAAS:SAAS01116086};
-!- COFACTOR:
Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
Evidence={ECO:0000256|HAMAP-Rule:MF_01283};
Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
Evidence={ECO:0000256|HAMAP-Rule:MF_01283};
Note=Binds 2 divalent metal cations per subunit. Magnesium or
manganese. {ECO:0000256|HAMAP-Rule:MF_01283};
-!- COFACTOR:
Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
Evidence={ECO:0000256|HAMAP-Rule:MF_01283};
Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-
Rule:MF_01283};
-!- PATHWAY: Cofactor biosynthesis; riboflavin biosynthesis; 2-
hydroxy-3-oxobutyl phosphate from D-ribulose 5-phosphate: step
1/1. {ECO:0000256|HAMAP-Rule:MF_01283}.
-!- PATHWAY: Cofactor biosynthesis; riboflavin biosynthesis; 5-amino-
6-(D-ribitylamino)uracil from GTP: step 1/4. {ECO:0000256|HAMAP-
Rule:MF_01283, ECO:0000256|SAAS:SAAS00711724}.
-!- SIMILARITY: In the C-terminal section; belongs to the GTP
cyclohydrolase II family. {ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000256|SAAS:SAAS00789992}.
-!- SIMILARITY: In the N-terminal section; belongs to the DHBP
synthase family. {ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000256|SAAS:SAAS00534513}.
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EMBL; CP002902; AEJ42901.1; -; Genomic_DNA.
RefSeq; WP_014463801.1; NC_017167.1.
STRING; 1048834.TC41_0948; -.
EnsemblBacteria; AEJ42901; AEJ42901; TC41_0948.
KEGG; aad:TC41_0948; -.
PATRIC; fig|1048834.4.peg.904; -.
eggNOG; ENOG4105C66; Bacteria.
eggNOG; COG0108; LUCA.
eggNOG; COG0807; LUCA.
KO; K14652; -.
OMA; GCTTGIS; -.
OrthoDB; 900513at2; -.
BioCyc; AACI1048834:G1GZ5-888-MONOMER; -.
UniPathway; UPA00275; UER00399.
UniPathway; UPA00275; UER00400.
Proteomes; UP000000292; Chromosome.
GO; GO:0008686; F:3,4-dihydroxy-2-butanone-4-phosphate synthase activity; IEA:UniProtKB-UniRule.
GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
GO; GO:0003935; F:GTP cyclohydrolase II activity; IEA:UniProtKB-UniRule.
GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
GO; GO:0009231; P:riboflavin biosynthetic process; IEA:UniProtKB-UniRule.
CDD; cd00641; GTP_cyclohydro2; 1.
Gene3D; 3.40.50.10990; -; 1.
HAMAP; MF_00179; RibA; 1.
HAMAP; MF_00180; RibB; 1.
HAMAP; MF_01283; RibBA; 1.
InterPro; IPR017945; DHBP_synth_RibB-like_a/b_dom.
InterPro; IPR000422; DHBP_synthase_RibB.
InterPro; IPR032677; GTP_cyclohydro_II.
InterPro; IPR000926; RibA.
InterPro; IPR036144; RibA-like_sf.
InterPro; IPR016299; Riboflavin_synth_RibBA.
Pfam; PF00926; DHBP_synthase; 1.
Pfam; PF00925; GTP_cyclohydro2; 1.
SUPFAM; SSF142695; SSF142695; 1.
SUPFAM; SSF55821; SSF55821; 1.
TIGRFAMs; TIGR00505; ribA; 1.
TIGRFAMs; TIGR00506; ribB; 1.
3: Inferred from homology;
Complete proteome {ECO:0000313|Proteomes:UP000000292};
GTP-binding {ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000256|SAAS:SAAS00711691};
Hydrolase {ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000256|SAAS:SAAS01033620, ECO:0000313|EMBL:AEJ42901.1};
Lyase {ECO:0000256|HAMAP-Rule:MF_01283};
Magnesium {ECO:0000256|HAMAP-Rule:MF_01283};
Manganese {ECO:0000256|HAMAP-Rule:MF_01283};
Metal-binding {ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000256|SAAS:SAAS00434439};
Multifunctional enzyme {ECO:0000256|HAMAP-Rule:MF_01283};
Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000256|SAAS:SAAS00711691};
Riboflavin biosynthesis {ECO:0000256|HAMAP-Rule:MF_01283,
ECO:0000256|SAAS:SAAS00434473};
Zinc {ECO:0000256|HAMAP-Rule:MF_01283, ECO:0000256|SAAS:SAAS00711685}.
DOMAIN 205 370 GTP_cyclohydro2.
{ECO:0000259|Pfam:PF00925}.
NP_BIND 249 253 GTP. {ECO:0000256|HAMAP-Rule:MF_01283}.
NP_BIND 292 294 GTP. {ECO:0000256|HAMAP-Rule:MF_01283}.
REGION 1 198 DHBP synthase. {ECO:0000256|HAMAP-
Rule:MF_01283}.
REGION 25 26 D-ribulose 5-phosphate binding.
{ECO:0000256|HAMAP-Rule:MF_01283}.
REGION 137 141 D-ribulose 5-phosphate binding.
{ECO:0000256|HAMAP-Rule:MF_01283}.
REGION 199 396 GTP cyclohydrolase II.
{ECO:0000256|HAMAP-Rule:MF_01283}.
ACT_SITE 326 326 Proton acceptor; for GTP cyclohydrolase
activity. {ECO:0000256|HAMAP-
Rule:MF_01283}.
ACT_SITE 328 328 Nucleophile; for GTP cyclohydrolase
activity. {ECO:0000256|HAMAP-
Rule:MF_01283}.
METAL 26 26 Magnesium or manganese 1.
{ECO:0000256|HAMAP-Rule:MF_01283}.
METAL 26 26 Magnesium or manganese 2.
{ECO:0000256|HAMAP-Rule:MF_01283}.
METAL 140 140 Magnesium or manganese 2.
{ECO:0000256|HAMAP-Rule:MF_01283}.
METAL 254 254 Zinc; catalytic. {ECO:0000256|HAMAP-
Rule:MF_01283}.
METAL 265 265 Zinc; catalytic. {ECO:0000256|HAMAP-
Rule:MF_01283}.
METAL 267 267 Zinc; catalytic. {ECO:0000256|HAMAP-
Rule:MF_01283}.
BINDING 30 30 D-ribulose 5-phosphate.
{ECO:0000256|HAMAP-Rule:MF_01283}.
BINDING 161 161 D-ribulose 5-phosphate.
{ECO:0000256|HAMAP-Rule:MF_01283}.
BINDING 270 270 GTP. {ECO:0000256|HAMAP-Rule:MF_01283}.
BINDING 314 314 GTP. {ECO:0000256|HAMAP-Rule:MF_01283}.
BINDING 349 349 GTP. {ECO:0000256|HAMAP-Rule:MF_01283}.
BINDING 354 354 GTP. {ECO:0000256|HAMAP-Rule:MF_01283}.
SITE 123 123 Essential for DHBP synthase activity.
{ECO:0000256|HAMAP-Rule:MF_01283}.
SITE 161 161 Essential for DHBP synthase activity.
{ECO:0000256|HAMAP-Rule:MF_01283}.
SEQUENCE 396 AA; 43795 MW; DFE42CA87B9A4A42 CRC64;
MNTIEEALDD LRQGRVVIVV DDEDRENEGD FVALGSRATP DVVNFMITHG RGLLCVPITE
ARAKRLGLEA MYERNTDNYG TAFTVSVDLV TTHTGISAFE RAETIAAIVS EDTGPDDFRK
PGHVFPLVAK PGGVLRRAGH TEAAVDLARL CGEPEVGVIC EILNEDGTMA RLPQLEQVAE
RFGLKLITIA DLIAYRKRTE KLVRRAAEAE LPTMYGHFRA VVYESEIDDK EHIALVMGDV
SDGEPTLVRV HSECLTGDAF GSLRCDCGPQ LHAALRQIAR EGKGVLLYLR QEGRGIGLLN
KIRAYALQDQ GLDTVEANHR LGFADDLRDY GIGAQILRDL GIRKMRLLTN NVRKIKGIAG
HGLEVVERVP LEVDRNPYNE AYLRTKRDKL GHLLNL


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Related Genes :
[RIBA1 RIBBA At5g64300 MSJ1.14] Bifunctional riboflavin biosynthesis protein RIBA 1, chloroplastic (AtRIBA1) [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribH GA0115236_158411] Multifunctional fusion protein [Includes: Riboflavin biosynthesis protein RibBA; 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II); 6,7-dimethyl-8-ribityllumazine synthase (DMRL synthase) (LS) (Lumazine synthase) (EC 2.5.1.78)]
[ribBA ribA ribA2 Rv1415 MTCY21B4.33] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribH DMD85_09030] Multifunctional fusion protein [Includes: Riboflavin biosynthesis protein RibBA; 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II); 6,7-dimethyl-8-ribityllumazine synthase (DMRL synthase) (LS) (Lumazine synthase) (EC 2.5.1.78)]
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[ribBA ribA sll1894] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA RER_30220] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA aq_350] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA BcerKBAB4_3943] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA MW1709] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA BCB4264_A4222] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA APL_0384] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA BSU23260] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA ribA2 MT1458] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA BCG_1476] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
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[ribBA MUL_1809] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA APJL_0404] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA CHU_0931] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA PGN_0643] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA Teth39_0023] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA BCA_4224] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA BT_2416] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA/ribB CPn_0872 CP_0997 CpB0901] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA TM_1826] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA/B TC_0104] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA SH1155] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]
[ribBA ribA SAV1769] Riboflavin biosynthesis protein RibBA [Includes: 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (EC 4.1.99.12); GTP cyclohydrolase-2 (EC 3.5.4.25) (GTP cyclohydrolase II)]

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