ID A0A9J6RBY6_9BACI Unreviewed; 367 AA.
AC A0A9J6RBY6;
DT 28-JUN-2023, integrated into UniProtKB/TrEMBL.
DT 28-JUN-2023, sequence version 1.
DT 18-JUN-2025, entry version 11.
DE RecName: Full=D-alanine--D-alanine ligase {ECO:0000256|ARBA:ARBA00068427, 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|ARBA:ARBA00077154, ECO:0000256|HAMAP-Rule:MF_00047};
DE AltName: Full=D-alanylalanine synthetase {ECO:0000256|ARBA:ARBA00076288, ECO:0000256|HAMAP-Rule:MF_00047};
GN Name=ddlA {ECO:0000313|EMBL:MCZ0702737.1};
GN Synonyms=ddl {ECO:0000256|HAMAP-Rule:MF_00047};
GN ORFNames=OWO01_05900 {ECO:0000313|EMBL:MCZ0702737.1};
OS Natronobacillus azotifigens.
OC Bacteria; Bacillati; Bacillota; Bacilli; Bacillales; Bacillaceae;
OC Natronobacillus.
OX NCBI_TaxID=472978 {ECO:0000313|EMBL:MCZ0702737.1, ECO:0000313|Proteomes:UP001084197};
RN [1] {ECO:0000313|EMBL:MCZ0702737.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=24KS-1 {ECO:0000313|EMBL:MCZ0702737.1};
RA Sorokin D.Y., Merkel A.Y.;
RT "WGS of Natronobacillus azotifigens 24KS-1, an anaerobic diazotrophic
RT haloalkaliphile from soda-rich habitats.";
RL Submitted (NOV-2022) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Cell wall formation. {ECO:0000256|ARBA:ARBA00003921,
CC ECO:0000256|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;
CC Evidence={ECO:0000256|ARBA:ARBA00047614, 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 -!- PATHWAY: Glycan biosynthesis. {ECO:0000256|ARBA:ARBA00060592}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC 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:MCZ0702737.1}.
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DR EMBL; JAPRAT010000008; MCZ0702737.1; -; Genomic_DNA.
DR RefSeq; WP_268779506.1; NZ_JAPRAT010000008.1.
DR Proteomes; UP001084197; Unassembled WGS sequence.
DR GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
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 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; NF002378; PRK01372.1; 1.
DR NCBIfam; NF002525; PRK01966.1-1; 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 {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|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00047};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00047};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRSR:PIRSR039102-3};
KW Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|PIRSR:PIRSR039102-3};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR039102-3};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRSR:PIRSR039102-2};
KW Peptidoglycan synthesis {ECO:0000256|ARBA:ARBA00022984, ECO:0000256|HAMAP-
KW Rule:MF_00047}; Reference proteome {ECO:0000313|Proteomes:UP001084197}.
FT DOMAIN 145..348
FT /note="ATP-grasp"
FT /evidence="ECO:0000259|PROSITE:PS50975"
FT ACT_SITE 16
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-1"
FT ACT_SITE 191
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-1"
FT ACT_SITE 326
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-1"
FT BINDING 141
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-2"
FT BINDING 183..185
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-2"
FT BINDING 191..192
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-2"
FT BINDING 221..228
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-2"
FT BINDING 302
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
FT BINDING 314..315
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-2"
FT BINDING 315
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
FT BINDING 315
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
FT BINDING 317
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR039102-3"
SQ SEQUENCE 367 AA; 40591 MW; 25414F817B7EBAF7 CRC64;
MSKIRVGIVF GGKSAEHEVS LQSAKNIVDA IDREKYEVIL LGVDKAGKWH VSDSSTYLEN
EDDPKTIRLN KTNQQVAVIP GQTRDQLLNV ASESLLEQVD VIFPIVHGTL GEDGSLQGLL
RTLNMPFVGT DLLGSAISMD KDIAKRLLRE AKINVAKGLT FKKHQQKDIS FDQVKAELGL
PLFIKPANQG SSVGVSKVEN EESFHAGLSE AFLFDHKVLV EEAVVGREIE CAVLGNEHPI
ASLPGEILPQ TDFYSYESKY IDETGAKLAA PAEMPEEQTS RVQAAAINVY QTLECEGMAR
VDFFMKEDGS LVVNEVNTIP GFTKISMYPR LWGISGISYP DLIDRLINLA FERYERNNQL
QSNVSHQ
//