ID   A0A926M5M4_9PROT        Unreviewed;       304 AA.
AC   A0A926M5M4;
DT   22-FEB-2023, integrated into UniProtKB/TrEMBL.
DT   22-FEB-2023, sequence version 1.
DT   24-JAN-2024, entry version 5.
DE   RecName: Full=D-alanine--D-alanine ligase {ECO:0000256|HAMAP-Rule:MF_00047};
DE            EC=6.3.2.4 {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=ddl {ECO:0000256|HAMAP-Rule:MF_00047};
GN   ORFNames=IDH22_01970 {ECO:0000313|EMBL:MBD1142732.1};
OS   Pelagibacterales bacterium SAG-MED35.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Candidatus Pelagibacterales.
OX   NCBI_TaxID=2760037 {ECO:0000313|EMBL:MBD1142732.1, ECO:0000313|Proteomes:UP000611396};
RN   [1] {ECO:0000313|EMBL:MBD1142732.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=SAG-MED35 {ECO:0000313|EMBL:MBD1142732.1};
RX   PubMed=31840364;
RA   Haro-Moreno J.M., Rodriguez-Valera F., Rosselli R., Martinez-Hernandez F.,
RA   Roda-Garcia J.J., Gomez M.L., Fornas O., Martinez-Garcia M.,
RA   Lopez-Perez M.;
RT   "Ecogenomics of the SAR11 clade.";
RL   Environ. Microbiol. 22:1748-1763(2020).
CC   -!- FUNCTION: Cell wall formation. {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|HAMAP-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|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}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:MBD1142732.1}.
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DR   EMBL; JACWEF010000008; MBD1142732.1; -; Genomic_DNA.
DR   Proteomes; UP000611396; Unassembled WGS sequence.
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; 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; 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.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|PROSITE-ProRule:PRU00409};
KW   Cell shape {ECO:0000256|HAMAP-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|PIRSR:PIRSR039102-3};
KW   Metal-binding {ECO:0000256|PIRSR:PIRSR039102-3};
KW   Nucleotide-binding {ECO:0000256|PROSITE-ProRule:PRU00409};
KW   Peptidoglycan synthesis {ECO:0000256|HAMAP-Rule:MF_00047};
KW   Reference proteome {ECO:0000313|Proteomes:UP000611396}.
FT   DOMAIN          101..298
FT                   /note="ATP-grasp"
FT                   /evidence="ECO:0000259|PROSITE:PS50975"
FT   BINDING         253
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
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         265
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
FT   BINDING         267
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
SQ   SEQUENCE   304 AA;  34909 MW;  264F2126A146D00E CRC64;
     MKKKILIISG GISKERLISL DTGLQVAKEL IKNSYNVKIS EPNNNLQKII NKFNPDVIFN
     ALHGQFGEDG YIQTVLEKFK IPYTHSGVIP SAIAMDKEIS KKLFLKYKIN TPKFFTYSFD
     KKNSQLVKII KSKLKFPVVV KPLNEGSSVN VFICNRKNIF KILNSLKNYK KVMIEEFIGG
     REIQVAILGN RKLGAIELKP RRKFYDYQAK YNTNAKTQHI IKIDLPKKKL NEVLEIANKA
     HKIIKCRGVT RSDFKYFNGK FYLLEINTQP GMTKLSLVPE IAAHHGMSFI ELIEWILKDA
     STKR
//