ID DDL_SYNS9 Reviewed; 350 AA. AC Q3AV89; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 22-NOV-2005, sequence version 1. DT 02-SEP-2026, entry version 116. DE RecName: Full=D-alanine--D-alanine ligase {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 {ECO:0000255|HAMAP-Rule:MF_00047}; DE AltName: Full=D-alanylalanine synthetase {ECO:0000255|HAMAP-Rule:MF_00047}; GN Name=ddl {ECO:0000255|HAMAP-Rule:MF_00047}; GN OrderedLocusNames=Syncc9902_1541; OS Synechococcus sp. (strain CC9902). OC Bacteria; Bacillati; Cyanobacteriota; Cyanophyceae; Synechococcales; OC Synechococcaceae; Synechococcus. OX NCBI_TaxID=316279; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=CC9902; RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T., RA Hammon N., Israni S., Pitluck S., Martinez M., Schmutz J., Larimer F., RA Land M., Kyrpides N., Ivanova N., Richardson P.; RT "Complete sequence of Synechococcus sp. CC9902."; RL Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Cell wall formation. {ECO:0000255|HAMAP-Rule:MF_00047}. CC -!- CATALYTIC ACTIVITY: CC Reaction=2 D-alanine + ATP = D-alanyl-D-alanine + ADP + phosphate + CC H(+); Xref=Rhea:RHEA:11224, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57416, ChEBI:CHEBI:57822, CC ChEBI:CHEBI:456216; EC=6.3.2.4; Evidence={ECO:0000255|HAMAP- CC 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; CP000097; ABB26499.1; -; Genomic_DNA. DR RefSeq; WP_011360317.1; NC_007513.1. DR AlphaFoldDB; Q3AV89; -. DR SMR; Q3AV89; -. DR STRING; 316279.Syncc9902_1541; -. DR KEGG; sye:Syncc9902_1541; -. DR eggNOG; COG1181; Bacteria. DR HOGENOM; CLU_039268_0_0_3; -. DR OrthoDB; 9813261at2; -. DR UniPathway; UPA00219; -. DR GO; GO:0005829; C:cytosol; IEA:TreeGrafter. DR GO; GO:0005524; F:ATP binding; IEA:InterPro. DR GO; GO:0008716; F:D-alanine-D-alanine ligase activity; IEA:UniProtKB-UniRule. DR GO; GO:0046872; F:metal ion binding; IEA:InterPro. DR GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-UniRule. DR FunFam; 3.30.1490.20:FF:000007; D-alanine--D-alanine ligase; 1. DR FunFam; 3.30.470.20:FF:000008; D-alanine--D-alanine ligase; 1. 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 NCBIfam; NF002528; PRK01966.1-4; 1. DR PANTHER; PTHR23132; D-ALANINE--D-ALANINE LIGASE; 1. DR PANTHER; PTHR23132:SF25; D-ALANINE--D-ALANINE LIGASE A; 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..350 FT /note="D-alanine--D-alanine ligase" FT /id="PRO_1000030514" FT DOMAIN 138..346 FT /note="ATP-grasp" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 173..228 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 299 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 313 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 313 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" FT BINDING 315 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047" SQ SEQUENCE 350 AA; 38381 MW; B4E9811F55B372ED CRC64; MESRPTTIGL VFGGYSGEHE VSIRSATTVI HGLRSGENSQ RYRVIPFYID QEGRWWGEAF ANRVLASQKP IEPPHSIETK GFRELPEGSE TVQVWYPVLH GPNGEDGTVQ GLFQLMRQPF VGAGVLGSAV SMDKLAMKAA FAGAGLSQVP YVGLNASDLG DSARREHVLD RIEAELHYPC FVKPANLGSS VGISKVRNRH ELETGLDHAA QLDPRLVVEQ GVDARELECA VLGRHQLRSS VVGEVRFDAD WYDYTTKYTA GLSTTVIPAE LPEGVAERVQ QQALEACAAL GVVGMARVDF FYDNTSHQLW INEINTLPGF TSQSMYPMLW EASGVTLDQL VHKLVQSAGE //