MAND_RHIWR
ID MAND_RHIWR Reviewed; 402 AA.
AC A5V6Z0;
DT 09-JUL-2014, integrated into UniProtKB/Swiss-Prot.
DT 10-JUL-2007, sequence version 1.
DT 03-AUG-2022, entry version 81.
DE RecName: Full=D-mannonate dehydratase;
DE Short=ManD;
DE EC=4.2.1.8;
GN OrderedLocusNames=Swit_1693;
OS Rhizorhabdus wittichii (strain DSM 6014 / CCUG 31198 / JCM 15750 / NBRC
OS 105917 / EY 4224 / RW1) (Sphingomonas wittichii).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Rhizorhabdus.
OX NCBI_TaxID=392499;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 6014 / CCUG 31198 / JCM 15750 / NBRC 105917 / EY 4224 / RW1;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Pitluck S., Saunders E., Brettin T., Bruce D., Detter J.C.,
RA Han C., Tapia R., Gilna P., Schmutz J., Larimer F., Land M., Hauser L.,
RA Kyrpides N., Kim E., Halden R.U., Miller T.R., Salzberg S.L., Eisen J.A.,
RA Richardson P.;
RT "Complete sequence of chromosome of Sphingomonas wittichii RW1.";
RL Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
RN [2]
RP FUNCTION, CATALYTIC ACTIVITY, COFACTOR, AND BIOPHYSICOCHEMICAL PROPERTIES.
RC STRAIN=DSM 6014 / CCUG 31198 / JCM 15750 / NBRC 105917 / EY 4224 / RW1;
RX PubMed=24697546; DOI=10.1021/bi500264p;
RA Wichelecki D.J., Balthazor B.M., Chau A.C., Vetting M.W., Fedorov A.A.,
RA Fedorov E.V., Lukk T., Patskovsky Y.V., Stead M.B., Hillerich B.S.,
RA Seidel R.D., Almo S.C., Gerlt J.A.;
RT "Discovery of function in the enolase superfamily: D-mannonate and D-
RT gluconate dehydratases in the D-mannonate dehydratase subgroup.";
RL Biochemistry 53:2722-2731(2014).
CC -!- FUNCTION: Catalyzes the dehydration of D-mannonate. Has no detectable
CC activity with a panel of 70 other acid sugars (in vitro).
CC {ECO:0000269|PubMed:24697546}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-mannonate = 2-dehydro-3-deoxy-D-gluconate + H2O;
CC Xref=Rhea:RHEA:20097, ChEBI:CHEBI:15377, ChEBI:CHEBI:17767,
CC ChEBI:CHEBI:57990; EC=4.2.1.8;
CC Evidence={ECO:0000269|PubMed:24697546};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000269|PubMed:24697546};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000269|PubMed:24697546};
CC -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC Kinetic parameters:
CC Note=kcat is 4.0 sec(-1) with D-mannonate.
CC {ECO:0000269|PubMed:24697546};
CC -!- PATHWAY: Carbohydrate metabolism; pentose and glucuronate
CC interconversion.
CC -!- SIMILARITY: Belongs to the mandelate racemase/muconate lactonizing
CC enzyme family. GalD subfamily. {ECO:0000305}.
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DR EMBL; CP000699; ABQ68056.1; -; Genomic_DNA.
DR RefSeq; WP_011952534.1; NC_009511.1.
DR AlphaFoldDB; A5V6Z0; -.
DR SMR; A5V6Z0; -.
DR STRING; 392499.Swit_1693; -.
DR EnsemblBacteria; ABQ68056; ABQ68056; Swit_1693.
DR KEGG; swi:Swit_1693; -.
DR eggNOG; COG4948; Bacteria.
DR HOGENOM; CLU_030273_6_1_5; -.
DR OMA; EYMRHTE; -.
DR OrthoDB; 1825548at2; -.
DR UniPathway; UPA00246; -.
DR Proteomes; UP000001989; Chromosome.
DR GO; GO:0000287; F:magnesium ion binding; IDA:UniProtKB.
DR GO; GO:0008927; F:mannonate dehydratase activity; IDA:CACAO.
DR GO; GO:0016052; P:carbohydrate catabolic process; IDA:UniProtKB.
DR GO; GO:0009063; P:cellular amino acid catabolic process; IEA:InterPro.
DR Gene3D; 3.20.20.120; -; 1.
DR Gene3D; 3.30.390.10; -; 1.
DR InterPro; IPR034589; D-mannonate_dehydratase-like.
DR InterPro; IPR036849; Enolase-like_C_sf.
DR InterPro; IPR029017; Enolase-like_N.
DR InterPro; IPR029065; Enolase_C-like.
DR InterPro; IPR034587; MAND.
DR InterPro; IPR018110; Mandel_Rmase/mucon_lact_enz_CS.
DR InterPro; IPR013342; Mandelate_racemase_C.
DR InterPro; IPR034593; Mandelate_racemase_DgoD-like.
DR InterPro; IPR013341; Mandelate_racemase_N_dom.
DR PANTHER; PTHR48080; PTHR48080; 1.
DR PANTHER; PTHR48080:SF6; PTHR48080:SF6; 1.
DR Pfam; PF13378; MR_MLE_C; 1.
DR Pfam; PF02746; MR_MLE_N; 1.
DR SFLD; SFLDF00001; mannonate_dehydratase; 1.
DR SMART; SM00922; MR_MLE; 1.
DR SUPFAM; SSF51604; SSF51604; 1.
DR SUPFAM; SSF54826; SSF54826; 1.
DR PROSITE; PS00908; MR_MLE_1; 1.
PE 1: Evidence at protein level;
KW Carbohydrate metabolism; Lyase; Magnesium; Metal-binding;
KW Reference proteome.
FT CHAIN 1..402
FT /note="D-mannonate dehydratase"
FT /id="PRO_0000429875"
FT ACT_SITE 159
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000250"
FT ACT_SITE 212
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000250"
FT BINDING 37
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 122
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 210
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000250"
FT BINDING 236
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000250"
FT BINDING 262
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000250"
FT BINDING 262
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 283
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 312
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 316
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 339
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT SITE 314
FT /note="Important for activity and substrate specificity;
FT Ala is observed in family members with high D-mannonate
FT dehydratase activity that have no activity with D-
FT gluconate"
FT /evidence="ECO:0000250"
SQ SEQUENCE 402 AA; 45064 MW; B06CCBAC667695E5 CRC64;
MKITGARVIV TCPDRNFVTL KIETDEGLTG IGDATLNGRE LAVASYLTDH VIPCLIGRDA
HRIEDIWNYL YRGAYWRRGP VTMSAIAAVD TALWDIKAKA AGLPLYQLLG GRSRDGVMVY
GHANGRDIEE TTDEVARYIE MGYRAIRAQT GVPGLASTYG VSSDKMYYEP ADAALPTENI
WSTEKYLDHV PKLFDRLRDR FGFDHHLLHD VHHRLTPIEA GRLGKSLEPY RLFWMEDATP
AENQEAFRLI RQHTVTPLAV GEVFNTIWDA KDLIQNQLID YIRATVVHAG GISHLRRIAD
LAALYQVRTG CHGATDLSPV CMGAALHFDI WVPNFGVQEY MRHTEATDAV FPHAYSFASG
YMTPGDVPGH GVEIDEKLAA KYPYKPCSLP VNRLEDGTLW HW
