ID   DDL_HAEIN               Reviewed;         306 AA.
AC   P44405;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   27-MAR-2024, entry version 150.
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}; Synonyms=ddlB;
GN   OrderedLocusNames=HI_1140;
OS   Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=71421;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=7542800; DOI=10.1126/science.7542800;
RA   Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA   Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA   McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA   Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA   Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA   Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA   Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA   Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT   "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT   Rd.";
RL   Science 269:496-512(1995).
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; L42023; AAC22795.1; -; Genomic_DNA.
DR   PIR; F64185; F64185.
DR   RefSeq; NP_439298.1; NC_000907.1.
DR   AlphaFoldDB; P44405; -.
DR   SMR; P44405; -.
DR   STRING; 71421.HI_1140; -.
DR   EnsemblBacteria; AAC22795; AAC22795; HI_1140.
DR   KEGG; hin:HI_1140; -.
DR   PATRIC; fig|71421.8.peg.1190; -.
DR   eggNOG; COG1181; Bacteria.
DR   HOGENOM; CLU_039268_1_2_6; -.
DR   OrthoDB; 9813261at2; -.
DR   PhylomeDB; P44405; -.
DR   BioCyc; HINF71421:G1GJ1-1173-MONOMER; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000000579; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0008716; F:D-alanine-D-alanine ligase activity; IBA:GO_Central.
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; IBA:GO_Central.
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:SF23; D-ALANINE--D-ALANINE LIGASE B; 1.
DR   Pfam; PF07478; Dala_Dala_lig_C; 1.
DR   Pfam; PF01820; Dala_Dala_lig_N; 2.
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; Reference proteome.
FT   CHAIN           1..306
FT                   /note="D-alanine--D-alanine ligase"
FT                   /id="PRO_0000177827"
FT   DOMAIN          104..303
FT                   /note="ATP-grasp"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   ACT_SITE        18
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        150
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        281
FT                   /evidence="ECO:0000250"
FT   BINDING         134..189
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         257
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         270
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         270
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT   BINDING         272
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
SQ   SEQUENCE   306 AA;  33491 MW;  C20B30CB540E6D7A CRC64;
     MNLKQEKIAV LLGGTSAERE VSLNSGKAVL EALLKQGYNA HPIDPKEYNV ANLKKDGFNR
     AFNILHGRGG EDGTMQGLLE QIGLPYTGCG VMASALTMDK MRTKMLWKAF GLPVADMKVV
     TRETFSELDP QAVVAKLGLP LMVKPSLEGS SVGLTKVKAV EELKSAVEYA LKFDNTILIE
     EWLAGDELTV PVLDNQVLPA IRIVPEGEFY DYEAKYISDN TQYFCPAGLT PEREQALSTL
     VKRAYDAVGC RGWSRIDVMC DAKGNFRLVE VNTNPGMTSH SLFPKSAATV GISFEQLVVK
     ILELSL
//