ID   A0A924JL81_9BRAD        Unreviewed;       325 AA.
AC   A0A924JL81;
DT   22-FEB-2023, integrated into UniProtKB/TrEMBL.
DT   22-FEB-2023, sequence version 1.
DT   02-APR-2025, entry version 7.
DE   RecName: Full=Dipeptide epimerase {ECO:0000256|RuleBase:RU366006};
DE            EC=5.1.1.- {ECO:0000256|RuleBase:RU366006};
GN   ORFNames=H7312_27005 {ECO:0000313|EMBL:MBC7580980.1};
OS   Tardiphaga sp.
OC   Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria;
OC   Hyphomicrobiales; Nitrobacteraceae; Tardiphaga.
OX   NCBI_TaxID=1926292 {ECO:0000313|EMBL:MBC7580980.1, ECO:0000313|Proteomes:UP000660803};
RN   [1] {ECO:0000313|EMBL:MBC7580980.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=FL-bin-280 {ECO:0000313|EMBL:MBC7580980.1};
RA   Zeng Y.;
RT   "Metagenome-assembled genomes from the Lille Firn glacier at the Villum
RT   Research Station in northeast Greenland.";
RL   Submitted (AUG-2020) to the EMBL/GenBank/DDBJ databases.
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|PIRSR:PIRSR634603-3,
CC         ECO:0000256|RuleBase:RU366006};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|PIRSR:PIRSR634603-3,
CC       ECO:0000256|RuleBase:RU366006};
CC   -!- SIMILARITY: Belongs to the mandelate racemase/muconate lactonizing
CC       enzyme family. {ECO:0000256|ARBA:ARBA00008031,
CC       ECO:0000256|RuleBase:RU366006}.
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:MBC7580980.1}.
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DR   EMBL; JACMOT010000613; MBC7580980.1; -; Genomic_DNA.
DR   Proteomes; UP000660803; Unassembled WGS sequence.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016855; F:racemase and epimerase activity, acting on amino acids and derivatives; IEA:UniProtKB-UniRule.
DR   CDD; cd03319; L-Ala-DL-Glu_epimerase; 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   InterPro; IPR034593; DgoD-like.
DR   InterPro; IPR034603; Dipeptide_epimerase.
DR   InterPro; IPR036849; Enolase-like_C_sf.
DR   InterPro; IPR029017; Enolase-like_N.
DR   InterPro; IPR029065; Enolase_C-like.
DR   InterPro; IPR013342; Mandelate_racemase_C.
DR   InterPro; IPR013341; Mandelate_racemase_N_dom.
DR   NCBIfam; NF042940; racemase_DgcA; 1.
DR   PANTHER; PTHR48080; D-GALACTONATE DEHYDRATASE-RELATED; 1.
DR   PANTHER; PTHR48080:SF3; ENOLASE SUPERFAMILY MEMBER DDB_G0284701; 1.
DR   Pfam; PF13378; MR_MLE_C; 1.
DR   Pfam; PF02746; MR_MLE_N; 1.
DR   SFLD; SFLDF00010; dipeptide_epimerase; 1.
DR   SFLD; SFLDS00001; Enolase; 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.
PE   3: Inferred from homology;
KW   Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|RuleBase:RU366006};
KW   Magnesium {ECO:0000256|PIRSR:PIRSR634603-3, ECO:0000256|RuleBase:RU366006};
KW   Metal-binding {ECO:0000256|PIRSR:PIRSR634603-3,
KW   ECO:0000256|RuleBase:RU366006}.
FT   DOMAIN          129..220
FT                   /note="Mandelate racemase/muconate lactonizing enzyme C-
FT                   terminal"
FT                   /evidence="ECO:0000259|SMART:SM00922"
FT   ACT_SITE        148
FT                   /note="Proton acceptor; specific for (R)-substrate
FT                   epimerization"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR634603-1"
FT   ACT_SITE        244
FT                   /note="Proton acceptor; specific for (S)-substrate
FT                   epimerization"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR634603-1"
FT   BINDING         173
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR634603-3"
FT   BINDING         199
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR634603-3"
FT   BINDING         222
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR634603-3"
SQ   SEQUENCE   325 AA;  34330 MW;  6E53CC4BE8F3A771 CRC64;
     MALAARIEHW PIAGAFTISR GAKTEAVVVV VELSRNGFTG RGECTPYARY GETPEATLAT
     ILDMRPRFAD GLDAVALQGL MPAGAARNAL DCALLDLAAK SRGQRVWDLL KRPAPRACTT
     AYTISLGTPD SMAAATAKAA YRPLLKIKLG SDDDAARIAA VRRMAPESEL VVDANEAWTP
     DNLERNLAAC EAAGVTLVEQ PLPAGNDSAL SEVRRPIAVC ADESVHGLDS LPALRGRYDA
     INIKLDKAGG LTEALAMADA AQAMGLEIMV GCMVATSLSM APAMLLAQQA RFVDLDGPLL
     LAKDRDGGLR YDDSTVYPPD AELWG
//