ID   DDL_TRIV2               Reviewed;         367 AA.
AC   Q3MGA0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-OCT-2005, sequence version 1.
DT   03-AUG-2022, entry version 93.
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}; OrderedLocusNames=Ava_0360;
OS   Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX   NCBI_TaxID=240292;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29413 / PCC 7937;
RX   PubMed=25197444; DOI=10.4056/sigs.3899418;
RA   Thiel T., Pratte B.S., Zhong J., Goodwin L., Copeland A., Lucas S., Han C.,
RA   Pitluck S., Land M.L., Kyrpides N.C., Woyke T.;
RT   "Complete genome sequence of Anabaena variabilis ATCC 29413.";
RL   Stand. Genomic Sci. 9:562-573(2014).
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}.
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DR   EMBL; CP000117; ABA19986.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q3MGA0; -.
DR   SMR; Q3MGA0; -.
DR   STRING; 240292.Ava_0360; -.
DR   EnsemblBacteria; ABA19986; ABA19986; Ava_0360.
DR   KEGG; ava:Ava_0360; -.
DR   eggNOG; COG1181; Bacteria.
DR   HOGENOM; CLU_039268_0_0_3; -.
DR   OMA; NTTPGMT; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000002533; 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; 3.30.1490.20; -; 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   Pfam; PF07478; Dala_Dala_lig_C; 1.
DR   Pfam; PF01820; Dala_Dala_lig_N; 1.
DR   PIRSF; PIRSF039102; Ddl/VanB; 1.
DR   SUPFAM; SSF52440; SSF52440; 1.
DR   TIGRFAMs; TIGR01205; D_ala_D_alaTIGR; 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..367
FT                   /note="D-alanine--D-alanine ligase"
FT                   /id="PRO_1000030423"
FT   DOMAIN          148..357
FT                   /note="ATP-grasp"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         184..239
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         310
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         324
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         324
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         326
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
SQ   SEQUENCE   367 AA;  39782 MW;  C7E4A822197A0DC5 CRC64;
     MSKLRVGLLF GGRSGEHEVS ISSARAIASA LSAGENASKY EILPFYIHKD GRWLAGEAPQ
     QVLKSGAPLL ESSNSSPADN NLVNSQQQTL ERWQSPSQVA EVDVWFPILH GPNGEDGTIQ
     GLLTLMQTPF VGSGVLGSAL GMDKIAMKMA FEQAGLPQVK YKAVTRAQIW SNPCVFPKLC
     DEIEASLGYP CFVKPANLGS SVGISKVRSR QELEDALDNA ANYDRRIIVE AGVVAREVEC
     AVLGNDQPQA STVGEITFNS DFYDYETKYT AGKADLLIPA VIPDEISRQI QDMALQAFAA
     VDAAGLARVD FFYVEATGEV LINEINTLPG FTATSMYPQL WAYSGIPFPE LVDKLVQLAI
     ERHNPSH