ID DAPF_DESRM Reviewed; 284 AA. AC A4J568; DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot. DT 01-MAY-2007, sequence version 1. DT 27-MAR-2024, entry version 92. DE RecName: Full=Diaminopimelate epimerase {ECO:0000255|HAMAP-Rule:MF_00197}; DE Short=DAP epimerase {ECO:0000255|HAMAP-Rule:MF_00197}; DE EC=5.1.1.7 {ECO:0000255|HAMAP-Rule:MF_00197}; DE AltName: Full=PLP-independent amino acid racemase {ECO:0000255|HAMAP-Rule:MF_00197}; GN Name=dapF {ECO:0000255|HAMAP-Rule:MF_00197}; GN OrderedLocusNames=Dred_1694; OS Desulforamulus reducens (strain ATCC BAA-1160 / DSM 100696 / MI-1) OS (Desulfotomaculum reducens). OC Bacteria; Bacillota; Clostridia; Eubacteriales; Peptococcaceae; OC Desulforamulus. OX NCBI_TaxID=349161; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC BAA-1160 / DSM 100696 / MI-1; RG US DOE Joint Genome Institute; RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., RA Sims D., Brettin T., Bruce D., Han C., Tapia R., Schmutz J., Larimer F., RA Land M., Hauser L., Kyrpides N., Kim E., Tebo B.M., Richardson P.; RT "Complete sequence of Desulfotomaculum reducens MI-1."; RL Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Catalyzes the stereoinversion of LL-2,6-diaminoheptanedioate CC (L,L-DAP) to meso-diaminoheptanedioate (meso-DAP), a precursor of L- CC lysine and an essential component of the bacterial peptidoglycan. CC {ECO:0000255|HAMAP-Rule:MF_00197}. CC -!- CATALYTIC ACTIVITY: CC Reaction=(2S,6S)-2,6-diaminoheptanedioate = meso-2,6- CC diaminoheptanedioate; Xref=Rhea:RHEA:15393, ChEBI:CHEBI:57609, CC ChEBI:CHEBI:57791; EC=5.1.1.7; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00197}; CC -!- PATHWAY: Amino-acid biosynthesis; L-lysine biosynthesis via DAP CC pathway; DL-2,6-diaminopimelate from LL-2,6-diaminopimelate: step 1/1. CC {ECO:0000255|HAMAP-Rule:MF_00197}. CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00197}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00197}. CC -!- SIMILARITY: Belongs to the diaminopimelate epimerase family. CC {ECO:0000255|HAMAP-Rule:MF_00197}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000612; ABO50221.1; -; Genomic_DNA. DR RefSeq; WP_011878036.1; NC_009253.1. DR AlphaFoldDB; A4J568; -. DR SMR; A4J568; -. DR STRING; 349161.Dred_1694; -. DR KEGG; drm:Dred_1694; -. DR eggNOG; COG0253; Bacteria. DR HOGENOM; CLU_053306_3_0_9; -. DR OrthoDB; 9805408at2; -. DR UniPathway; UPA00034; UER00025. DR Proteomes; UP000001556; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0008837; F:diaminopimelate epimerase activity; IEA:UniProtKB-UniRule. DR GO; GO:0009089; P:lysine biosynthetic process via diaminopimelate; IEA:UniProtKB-UniRule. DR HAMAP; MF_00197; DAP_epimerase; 1. DR InterPro; IPR018510; DAP_epimerase_AS. DR InterPro; IPR001653; DAP_epimerase_DapF. DR NCBIfam; TIGR00652; DapF; 1. DR PANTHER; PTHR31689:SF0; DIAMINOPIMELATE EPIMERASE; 1. DR PANTHER; PTHR31689; DIAMINOPIMELATE EPIMERASE, CHLOROPLASTIC; 1. DR Pfam; PF01678; DAP_epimerase; 2. DR SUPFAM; SSF54506; Diaminopimelate epimerase-like; 1. DR PROSITE; PS01326; DAP_EPIMERASE; 1. PE 3: Inferred from homology; KW Amino-acid biosynthesis; Cytoplasm; Isomerase; Lysine biosynthesis; KW Reference proteome. FT CHAIN 1..284 FT /note="Diaminopimelate epimerase" FT /id="PRO_1000099232" FT ACT_SITE 73 FT /note="Proton donor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT ACT_SITE 222 FT /note="Proton acceptor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 11 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 64 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 74..75 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 162 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 195 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 213..214 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 223..224 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT SITE 164 FT /note="Could be important to modulate the pK values of the FT two catalytic cysteine residues" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT SITE 213 FT /note="Could be important to modulate the pK values of the FT two catalytic cysteine residues" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" SQ SEQUENCE 284 AA; 30534 MW; 51EF0695062005F2 CRC64; MYFTKVHGLG NDFILVNAGT GQGFTDDCST LAKEVCDRKF GIGADGLVLL YDSGVADVRM KIVNSDGSEA EMCGNAIRCV AKYLYDHGII KKDEIKVETL AGIIVPQIIQ QEGSVKAVRV DMGEPRVERA EIPMIGPPGQ VIGEELAVNG KVYLVTAVSM GNPHCIIFVP DLEDISLTQV GPQIEVHPAF PKKTNVEFVQ VLGPNEVRMV VWERGAGPTM ACGTGACAVA VAGVLNGFTE RMVTVHLPGG SLMIEWAENG RIYMTGPATE VFSGEYTVYN PSRR //