ID   B2FNN9_STRMK            Unreviewed;       320 AA.
AC   B2FNN9;
DT   10-JUN-2008, integrated into UniProtKB/TrEMBL.
DT   10-JUN-2008, sequence version 1.
DT   27-MAR-2024, entry version 107.
DE   RecName: Full=D-alanine--D-alanine ligase {ECO:0000256|ARBA:ARBA00012216, ECO:0000256|HAMAP-Rule:MF_00047};
DE            EC=6.3.2.4 {ECO:0000256|ARBA:ARBA00012216, ECO:0000256|HAMAP-Rule:MF_00047};
DE   AltName: Full=D-Ala-D-Ala ligase {ECO:0000256|HAMAP-Rule:MF_00047};
DE   AltName: Full=D-alanylalanine synthetase {ECO:0000256|HAMAP-Rule:MF_00047};
GN   Name=ddlB {ECO:0000313|EMBL:CAQ44334.1};
GN   Synonyms=ddl {ECO:0000256|HAMAP-Rule:MF_00047};
GN   OrderedLocusNames=Smlt0757 {ECO:0000313|EMBL:CAQ44334.1};
OS   Stenotrophomonas maltophilia (strain K279a).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Stenotrophomonas; Stenotrophomonas maltophilia group.
OX   NCBI_TaxID=522373 {ECO:0000313|EMBL:CAQ44334.1, ECO:0000313|Proteomes:UP000008840};
RN   [1] {ECO:0000313|EMBL:CAQ44334.1, ECO:0000313|Proteomes:UP000008840}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K279a {ECO:0000313|EMBL:CAQ44334.1,
RC   ECO:0000313|Proteomes:UP000008840};
RX   PubMed=18419807; DOI=10.1186/gb-2008-9-4-r74;
RA   Crossman L.C., Gould V.C., Dow J.M., Vernikos G.S., Okazaki A.,
RA   Sebaihia M., Saunders D., Arrowsmith C., Carver T., Peters N., Adlem E.,
RA   Kerhornou A., Lord A., Murphy L., Seeger K., Squares R., Rutter S.,
RA   Quail M.A., Rajandream M.A., Harris D., Churcher C., Bentley S.D.,
RA   Parkhill J., Thomson N.R., Avison M.B.;
RT   "The complete genome, comparative and functional analysis of
RT   Stenotrophomonas maltophilia reveals an organism heavily shielded by drug
RT   resistance determinants.";
RL   Genome Biol. 9:R74.1-R74.13(2008).
CC   -!- FUNCTION: Cell wall formation. {ECO:0000256|ARBA:ARBA00003921,
CC       ECO:0000256|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:0000256|ARBA:ARBA00000236, ECO:0000256|HAMAP-
CC         Rule:MF_00047};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|PIRSR:PIRSR039102-3};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000256|PIRSR:PIRSR039102-3};
CC       Note=Binds 2 magnesium or manganese ions per subunit.
CC       {ECO:0000256|PIRSR:PIRSR039102-3};
CC   -!- COFACTOR:
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000256|ARBA:ARBA00001936};
CC   -!- PATHWAY: Cell wall biogenesis; peptidoglycan biosynthesis.
CC       {ECO:0000256|ARBA:ARBA00004752, ECO:0000256|HAMAP-Rule:MF_00047}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00047}.
CC   -!- SIMILARITY: Belongs to the D-alanine--D-alanine ligase family.
CC       {ECO:0000256|ARBA:ARBA00010871, ECO:0000256|HAMAP-Rule:MF_00047}.
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DR   EMBL; AM743169; CAQ44334.1; -; Genomic_DNA.
DR   RefSeq; WP_012479158.1; NC_010943.1.
DR   AlphaFoldDB; B2FNN9; -.
DR   SMR; B2FNN9; -.
DR   EnsemblBacteria; CAQ44334; CAQ44334; Smlt0757.
DR   KEGG; sml:Smlt0757; -.
DR   PATRIC; fig|522373.3.peg.721; -.
DR   eggNOG; COG1181; Bacteria.
DR   HOGENOM; CLU_039268_1_2_6; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000008840; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
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; 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   PIRSF; PIRSF039102; Ddl/VanB; 2.
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 {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|PROSITE-
KW   ProRule:PRU00409};
KW   Cell shape {ECO:0000256|ARBA:ARBA00022960, ECO:0000256|HAMAP-
KW   Rule:MF_00047};
KW   Cell wall biogenesis/degradation {ECO:0000256|ARBA:ARBA00023316,
KW   ECO:0000256|HAMAP-Rule:MF_00047};
KW   Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00047};
KW   Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00047};
KW   Magnesium {ECO:0000256|PIRSR:PIRSR039102-3};
KW   Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|PIRSR:PIRSR039102-3};
KW   Metal-binding {ECO:0000256|PIRSR:PIRSR039102-3};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|PROSITE-
KW   ProRule:PRU00409};
KW   Peptidoglycan synthesis {ECO:0000256|ARBA:ARBA00022984, ECO:0000256|HAMAP-
KW   Rule:MF_00047}; Reference proteome {ECO:0000313|Proteomes:UP000008840}.
FT   DOMAIN          118..312
FT                   /note="ATP-grasp"
FT                   /evidence="ECO:0000259|PROSITE:PS50975"
FT   BINDING         265
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
FT   BINDING         279
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
FT   BINDING         279
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
FT   BINDING         281
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
SQ   SEQUENCE   320 AA;  33910 MW;  EE5926AD37102102 CRC64;
     MSALTFPPLR VTDPAVFGHV AVLLGGTSSE REVSLDSGRN VLEALQSRGV DAFAVDGIPE
     LAKALAAGGI DRVFNILHGH NGGGEDGIVQ GLMDAFGVPY TGSDVLGSAL SMDKIRTKQV
     WLSLGLPTPQ YRKVDASNVH ALAAELGLPV VVKPANEGSS VGISRVTDDA GLDEAVALAA
     RYDGQLLMEQ MVVGDELTVA ILGDVALPSI RIVPKGQWYD YNAKYIAEDT QYLCPGLDGG
     DEEEIRRIAL AAFRAAGCRG WGRVDVMRDR SSGRFFLLEV NTAPGMTSHS LVPKAAGQAG
     ISFDELVWRV LEQTLEASHA
//