ID DDLB_RHILO Reviewed; 308 AA. AC Q98KB6; DT 15-DEC-2003, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-2001, sequence version 1. DT 27-MAR-2024, entry version 125. DE RecName: Full=D-alanine--D-alanine ligase B {ECO:0000255|HAMAP-Rule:MF_00047}; DE EC=6.3.2.4 {ECO:0000255|HAMAP-Rule:MF_00047}; DE AltName: Full=D-Ala-D-Ala ligase B {ECO:0000255|HAMAP-Rule:MF_00047}; DE AltName: Full=D-alanylalanine synthetase B {ECO:0000255|HAMAP-Rule:MF_00047}; GN Name=ddlB {ECO:0000255|HAMAP-Rule:MF_00047}; GN OrderedLocusNames=mll1551; OS Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099) OS (Mesorhizobium loti (strain MAFF 303099)). OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales; OC Phyllobacteriaceae; Mesorhizobium. OX NCBI_TaxID=266835; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=LMG 29417 / CECT 9101 / MAFF 303099; RX PubMed=11214968; DOI=10.1093/dnares/7.6.331; RA Kaneko T., Nakamura Y., Sato S., Asamizu E., Kato T., Sasamoto S., RA Watanabe A., Idesawa K., Ishikawa A., Kawashima K., Kimura T., Kishida Y., RA Kiyokawa C., Kohara M., Matsumoto M., Matsuno A., Mochizuki Y., RA Nakayama S., Nakazaki N., Shimpo S., Sugimoto M., Takeuchi C., Yamada M., RA Tabata S.; RT "Complete genome structure of the nitrogen-fixing symbiotic bacterium RT Mesorhizobium loti."; RL DNA Res. 7:331-338(2000). CC -!- FUNCTION: Cell wall formation. {ECO:0000255|HAMAP-Rule:MF_00047}. CC -!- CATALYTIC ACTIVITY: CC Reaction=ATP + 2 D-alanine = ADP + D-alanyl-D-alanine + H(+) + CC phosphate; Xref=Rhea:RHEA:11224, ChEBI:CHEBI:15378, CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:57416, CC ChEBI:CHEBI:57822, ChEBI:CHEBI:456216; EC=6.3.2.4; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00047}; CC -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250}; CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000250}; CC Note=Binds 2 magnesium or manganese ions per subunit. {ECO:0000250}; CC -!- PATHWAY: Cell wall biogenesis; peptidoglycan biosynthesis. CC {ECO:0000255|HAMAP-Rule:MF_00047}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00047}. CC -!- SIMILARITY: Belongs to the D-alanine--D-alanine ligase family. CC {ECO:0000255|HAMAP-Rule:MF_00047}. 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; BA000012; BAB48898.1; -; Genomic_DNA. DR RefSeq; WP_010910251.1; NC_002678.2. DR AlphaFoldDB; Q98KB6; -. DR SMR; Q98KB6; -. DR GeneID; 66683342; -. DR KEGG; mlo:mll1551; -. DR eggNOG; COG1181; Bacteria. DR HOGENOM; CLU_039268_1_1_5; -. DR UniPathway; UPA00219; -. DR Proteomes; UP000000552; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW. DR GO; GO:0008716; F:D-alanine-D-alanine ligase activity; IEA:UniProtKB-UniRule. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW. DR GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-UniRule. DR GO; GO:0008360; P:regulation of cell shape; IEA:UniProtKB-KW. DR Gene3D; 3.40.50.20; -; 1. DR Gene3D; 3.30.1490.20; ATP-grasp fold, A domain; 1. DR Gene3D; 3.30.470.20; ATP-grasp fold, B domain; 1. DR HAMAP; MF_00047; Dala_Dala_lig; 1. DR InterPro; IPR011761; ATP-grasp. DR InterPro; IPR013815; ATP_grasp_subdomain_1. DR InterPro; IPR000291; D-Ala_lig_Van_CS. DR InterPro; IPR005905; D_ala_D_ala. DR InterPro; IPR011095; Dala_Dala_lig_C. DR InterPro; IPR011127; Dala_Dala_lig_N. DR InterPro; IPR016185; PreATP-grasp_dom_sf. DR NCBIfam; TIGR01205; D_ala_D_alaTIGR; 1. DR PANTHER; PTHR23132; D-ALANINE--D-ALANINE LIGASE; 1. DR PANTHER; PTHR23132:SF0; D-ALANINE-D-ALANINE LIGASE FAMILY; 1. DR Pfam; PF07478; Dala_Dala_lig_C; 1. DR Pfam; PF01820; Dala_Dala_lig_N; 1. DR PIRSF; PIRSF039102; Ddl/VanB; 1. DR SUPFAM; SSF56059; Glutathione synthetase ATP-binding domain-like; 1. DR SUPFAM; SSF52440; PreATP-grasp domain; 1. DR PROSITE; PS50975; ATP_GRASP; 1. DR PROSITE; PS00843; DALA_DALA_LIGASE_1; 1. DR PROSITE; PS00844; DALA_DALA_LIGASE_2; 1. PE 3: Inferred from homology; KW ATP-binding; Cell shape; Cell wall biogenesis/degradation; Cytoplasm; KW Ligase; Magnesium; Manganese; Metal-binding; Nucleotide-binding; KW Peptidoglycan synthesis. FT CHAIN 1..308 FT /note="D-alanine--D-alanine ligase B" FT /id="PRO_0000177863" FT DOMAIN 102..302 FT /note="ATP-grasp" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 128..183 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 252 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 269 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 269 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 271 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" SQ SEQUENCE 308 AA; 33179 MW; 45B0258B0E9A0E50 CRC64; MKSKHVAVLL GGFSSERPVS LSSGKACADA LENEGYQVTR VDVGRDVGSV LAELKPDVAF NALHGPFGED GTIQGILEYL GIPYTHSGVL ASALAMNKEQ AKKIVKTVGV PVAESKVANR FAIQNKHPMK PPYVIKPVNE GSSFGVVIVS EGQSHPPQVV GSSEWKYGDT VMVERYIHGR ELTCAVMGDV ALGVCEIIPT GHSFYDYDSK YVAGGSKHEC PAKVSPNIYQ KIQTLALKAH QAVGCRGVSR SDFRYDDRHS ENGEVVWLEV NTQPGMTPTS LVPEIAAHAG HSFGELLSWM VEDASCLR //