ID DAPF_ALKOO Reviewed; 280 AA. AC A8MH77; DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot. DT 04-DEC-2007, sequence version 1. DT 27-MAR-2024, entry version 80. 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=Clos_1420; OS Alkaliphilus oremlandii (strain OhILAs) (Clostridium oremlandii (strain OS OhILAs)). OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae; OC Alkaliphilus. OX NCBI_TaxID=350688; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=OhILAs; 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 Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M., RA Hauser L., Kyrpides N., Mikhailova N., Stolz J.F., Dawson A., Fisher E., RA Crable B., Perera E., Lisak J., Ranganathan M., Basu P., Richardson P.; RT "Complete genome of Alkaliphilus oremlandii OhILAs."; RL Submitted (OCT-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; CP000853; ABW18964.1; -; Genomic_DNA. DR RefSeq; WP_012159276.1; NC_009922.1. DR AlphaFoldDB; A8MH77; -. DR SMR; A8MH77; -. DR STRING; 350688.Clos_1420; -. DR KEGG; aoe:Clos_1420; -. DR eggNOG; COG0253; Bacteria. DR HOGENOM; CLU_053306_3_0_9; -. DR OrthoDB; 9805408at2; -. DR UniPathway; UPA00034; UER00025. DR Proteomes; UP000000269; 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; 2. 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..280 FT /note="Diaminopimelate epimerase" FT /id="PRO_1000058536" FT ACT_SITE 74 FT /note="Proton donor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT ACT_SITE 223 FT /note="Proton acceptor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 13 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 65 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 75..76 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 196 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 214..215 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT BINDING 224..225 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00197" FT SITE 165 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 214 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 280 AA; 30983 MW; A250AE65EC4C2419 CRC64; MDVQFKKMQG TGNDFIVVKY DDFPFEEKLS QLAEKICDRH FGIGADGLLI VNPSSIADIR MDYYNSDGSI AAMCGNGIRC FSKFVFDEGF LRTKQFSVET LDGIKEIAII EEKGTVKSVE VNMGQVTYDT EKIPVVSEDG YFINKKITVG GQDFIITAVS MGVPHVIIFT EKLDLEQIKF FGPLIEKHAI FPKKTNVNFV HRIDKDNIAV RTWERGAGYT LACGTGSTSA VAVANKLGLV NNNVNVEVEG GNIKIKIKES GNLFMEGPAE NICSGRFFFN //