ID A0A2D0HHM8_9NOSO Unreviewed; 350 AA.
AC A0A2D0HHM8;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 24-JAN-2024, entry version 23.
DE RecName: Full=Dipeptide epimerase {ECO:0000256|RuleBase:RU366006};
DE EC=5.1.1.- {ECO:0000256|RuleBase:RU366006};
GN ORFNames=CK516_17235 {ECO:0000313|EMBL:PHM09018.1};
OS Nostoc sp. 'Peltigera malacea cyanobiont' DB3992.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae; Nostoc.
OX NCBI_TaxID=1206980 {ECO:0000313|EMBL:PHM09018.1, ECO:0000313|Proteomes:UP000223928};
RN [1] {ECO:0000313|EMBL:PHM09018.1, ECO:0000313|Proteomes:UP000223928}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DB3992 {ECO:0000313|EMBL:PHM09018.1};
RA Gagunashvili A.N., Andresson O.S.;
RT "Distinctive characters of Nostoc genomes in cyanolichens.";
RL Submitted (AUG-2017) 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:PHM09018.1}.
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DR EMBL; NSHF01000147; PHM09018.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2D0HHM8; -.
DR Proteomes; UP000223928; 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 GO; GO:0009063; P:amino acid catabolic process; IEA:InterPro.
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; IPR018110; Mandel_Rmase/mucon_lact_enz_CS.
DR InterPro; IPR013342; Mandelate_racemase_C.
DR InterPro; IPR013341; Mandelate_racemase_N_dom.
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; SFLDG00180; muconate_cycloisomerase; 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; PS00909; MR_MLE_2; 1.
PE 3: Inferred from homology;
KW Isomerase {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};
KW Reference proteome {ECO:0000313|Proteomes:UP000223928}.
FT DOMAIN 137..235
FT /note="Mandelate racemase/muconate lactonizing enzyme C-
FT terminal"
FT /evidence="ECO:0000259|SMART:SM00922"
FT ACT_SITE 159
FT /note="Proton acceptor; specific for (R)-substrate
FT epimerization"
FT /evidence="ECO:0000256|PIRSR:PIRSR634603-1"
FT ACT_SITE 261
FT /note="Proton acceptor; specific for (S)-substrate
FT epimerization"
FT /evidence="ECO:0000256|PIRSR:PIRSR634603-1"
FT BINDING 188
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR634603-3"
FT BINDING 214
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR634603-3"
FT BINDING 239
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR634603-3"
SQ SEQUENCE 350 AA; 38612 MW; EF8A24A1512C6FC1 CRC64;
MQINVNLFTV NKRFPLTISR GTTAQTTNVW VRISHDRIEG WGEASPFGVG NHRQSTDAIK
NALEEVVPLL QTFSPLQRQE IEQVLTQNQV PSAARAALDM AMHDWLGKRV GLPLWQLWGL
DRNQIVPTSV TIGINSPEGA RARARDWLKF TDVRLFKVKL GSPDGIDADQ KMLLAVREEA
PELEFFVDAN GGWSLEDAIA MCNWLADLGI KYVEQPLPRG EEPSLAKLKE HSPLPIFVDE
SCFTSADIPD LANYVDGINI KLMKSGGLTE AMRMVHTARA YRLQVMFGCY SDSSLANTAA
LQLAPLADYL DLDSHLNLID DPFTGALLKA GRVLPNDLPG LGVQHSASTT
//
