ID A0A254MYT7_9BURK Unreviewed; 382 AA.
AC A0A254MYT7;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=D-galactonate dehydratase {ECO:0000256|HAMAP-Rule:MF_01289};
DE Short=GalD {ECO:0000256|HAMAP-Rule:MF_01289};
DE EC=4.2.1.6 {ECO:0000256|HAMAP-Rule:MF_01289};
GN Name=dgoD {ECO:0000256|HAMAP-Rule:MF_01289};
GN ORFNames=CDO81_25080 {ECO:0000313|EMBL:OWR00573.1};
OS Roseateles puraquae.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Sphaerotilaceae; Roseateles.
OX NCBI_TaxID=431059 {ECO:0000313|EMBL:OWR00573.1, ECO:0000313|Proteomes:UP000197446};
RN [1] {ECO:0000313|EMBL:OWR00573.1, ECO:0000313|Proteomes:UP000197446}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCUG 52769 {ECO:0000313|EMBL:OWR00573.1,
RC ECO:0000313|Proteomes:UP000197446};
RX PubMed=17978231; DOI=10.1099/ijs.0.65149-0;
RA Gomila M., Bowien B., Falsen E., Moore E.R., Lalucat J.;
RT "Description of Pelomonas aquatica sp. nov. and Pelomonas puraquae sp.
RT nov., isolated from industrial and haemodialysis water.";
RL Int. J. Syst. Evol. Microbiol. 57:2629-2635(2007).
CC -!- FUNCTION: Catalyzes the dehydration of D-galactonate to 2-keto-3-deoxy-
CC D-galactonate. {ECO:0000256|HAMAP-Rule:MF_01289}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-galactonate = 2-dehydro-3-deoxy-D-galactonate + H2O;
CC Xref=Rhea:RHEA:18649, ChEBI:CHEBI:12931, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:57989; EC=4.2.1.6; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01289};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01289};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01289};
CC -!- PATHWAY: Carbohydrate acid metabolism; D-galactonate degradation; D-
CC glyceraldehyde 3-phosphate and pyruvate from D-galactonate: step 1/3.
CC {ECO:0000256|HAMAP-Rule:MF_01289}.
CC -!- MISCELLANEOUS: Reaction proceeds via an anti dehydration.
CC {ECO:0000256|HAMAP-Rule:MF_01289}.
CC -!- SIMILARITY: Belongs to the mandelate racemase/muconate lactonizing
CC enzyme family. GalD subfamily. {ECO:0000256|HAMAP-Rule:MF_01289}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OWR00573.1}.
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DR EMBL; NISI01000017; OWR00573.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A254MYT7; -.
DR OrthoDB; 103536at2; -.
DR UniPathway; UPA00081; UER00518.
DR Proteomes; UP000197446; Unassembled WGS sequence.
DR GO; GO:0008869; F:galactonate dehydratase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009063; P:amino acid catabolic process; IEA:InterPro.
DR GO; GO:0034194; P:D-galactonate catabolic process; IEA:UniProtKB-UniRule.
DR CDD; cd03325; D-galactonate_dehydratase; 1.
DR Gene3D; 3.20.20.120; Enolase-like C-terminal domain; 1.
DR Gene3D; 3.30.390.10; Enolase-like, N-terminal domain; 1.
DR HAMAP; MF_01289; Galacton_dehydrat; 1.
DR InterPro; IPR034593; DgoD-like.
DR InterPro; IPR036849; Enolase-like_C_sf.
DR InterPro; IPR029017; Enolase-like_N.
DR InterPro; IPR029065; Enolase_C-like.
DR InterPro; IPR023592; Galactonate_deHydtase.
DR InterPro; IPR018110; Mandel_Rmase/mucon_lact_enz_CS.
DR InterPro; IPR013342; Mandelate_racemase_C.
DR InterPro; IPR013341; Mandelate_racemase_N_dom.
DR PANTHER; PTHR48080:SF2; D-GALACTONATE DEHYDRATASE; 1.
DR PANTHER; PTHR48080; D-GALACTONATE DEHYDRATASE-RELATED; 1.
DR Pfam; PF13378; MR_MLE_C; 1.
DR Pfam; PF02746; MR_MLE_N; 1.
DR SFLD; SFLDF00003; D-galactonate_dehydratase; 1.
DR SFLD; SFLDG00179; mandelate_racemase; 1.
DR SMART; SM00922; MR_MLE; 1.
DR SUPFAM; SSF51604; Enolase C-terminal domain-like; 1.
DR SUPFAM; SSF54826; Enolase N-terminal domain-like; 1.
DR PROSITE; PS00908; MR_MLE_1; 1.
DR PROSITE; PS00909; MR_MLE_2; 1.
PE 3: Inferred from homology;
KW Lyase {ECO:0000256|HAMAP-Rule:MF_01289};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_01289};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01289};
KW Reference proteome {ECO:0000313|Proteomes:UP000197446}.
FT DOMAIN 125..230
FT /note="Mandelate racemase/muconate lactonizing enzyme C-
FT terminal"
FT /evidence="ECO:0000259|SMART:SM00922"
FT ACT_SITE 185
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01289"
FT ACT_SITE 285
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01289"
FT BINDING 183
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01289"
FT BINDING 209
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01289"
FT BINDING 235
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01289"
FT SITE 258
FT /note="Increases basicity of active site His"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01289"
FT SITE 310
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01289"
SQ SEQUENCE 382 AA; 42481 MW; 54D39816A639E5A9 CRC64;
MRITKLTTYR LAPRWMFLKI DTDEGISGWG EPVIEGKARS VEAAVHEFEP YLIGQDPSRI
NDLWQVMYRG GFYRGGAILM SAIAGIDQAL WDIKGKALGA PVYELLGGLV RDKMKVYSWV
GGDRPADVIR DIKRLREGGF DTFKMNGSEE MGLIDSARKV DQAVARIAEI REAFGHDIEF
GIDFHGRIGA PMAKVMLKAL EPYRPLFVEE PVLAEQDETY ARLAEHTAIP LAAGERMYSR
FEFKRVFQAG GLSIVQPDLS HAGGITECLK IASMAEAYDV ALAPHCPLGP IALAACLQVD
FVSHNAVLQE QSMGIHYNQG GELLDYVLNK EDFHIENGYI APLPKPGLGV VVDEEKVIEA
SQRAPDWRNP LWRHEDGSVA EW
//
