ID DDL_SHESR Reviewed; 336 AA.
AC Q0HUL2;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 03-OCT-2006, sequence version 1.
DT 18-JUN-2025, entry version 103.
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=Shewmr7_2205;
OS Shewanella sp. (strain MR-7).
OC Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC Alteromonadales; Shewanellaceae; Shewanella.
OX NCBI_TaxID=60481;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MR-7;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Kiss H., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Nealson K.,
RA Konstantinidis K., Klappenbach J., Tiedje J., Richardson P.;
RT "Complete sequence of chromosome 1 of Shewanella sp. MR-7.";
RL Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Cell wall formation. {ECO:0000255|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; Evidence={ECO:0000255|HAMAP-
CC 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; CP000444; ABI43193.1; -; Genomic_DNA.
DR AlphaFoldDB; Q0HUL2; -.
DR SMR; Q0HUL2; -.
DR KEGG; shm:Shewmr7_2205; -.
DR HOGENOM; CLU_039268_0_0_6; -.
DR UniPathway; UPA00219; -.
DR GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
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 FunFam; 3.40.50.20:FF:000034; 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; NF002527; PRK01966.1-3; 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; Cell shape; Cell wall biogenesis/degradation; Cytoplasm;
KW Ligase; Magnesium; Manganese; Metal-binding; Nucleotide-binding;
KW Peptidoglycan synthesis.
FT CHAIN 1..336
FT /note="D-alanine--D-alanine ligase"
FT /id="PRO_1000074795"
FT DOMAIN 124..330
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 154..209
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 284
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 297
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 297
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 299
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
SQ SEQUENCE 336 AA; 37377 MW; A4C976D1290E7513 CRC64;
MSKINLLLLC GGGSAEHDIS LLSANYFETS LAKSEQVNVL RVVLDKFGQY QTAAGDDCEL
TNNREIRFRD ETKAPWPVDY VIPCIHGYPG ETGDIQSYFN LIQLPYFGCE SEASSNCFNK
ITAKMWFSAL GIPNTPYIFL NQYDDEAIAQ TQAALENWGS IFVKAASQGS SVGCYKVDDS
SKVAGVLKDA FGYAPYVIVE KTIKARELEV AVYEYQGEVV ATLPGEIICD SNTFYTFDEK
YAKSSKARTD VVAQNVPADI SDQIRAYAIK AFKGMKLRHL SRIDFFLTQD NEILLNEINT
FPGSTPISMF PKMLQNHGHD FTEYLSLVIK GQLAAK
//
