DDL_HELPS
ID DDL_HELPS Reviewed; 347 AA.
AC B2UT94;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-2008, sequence version 1.
DT 03-AUG-2022, entry version 77.
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=HPSH_03150;
OS Helicobacter pylori (strain Shi470).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=512562;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Shi470;
RA Kersulyte D., Kalia A., Gilman R.H., Berg D.E.;
RT "Genome sequence of Helicobacter pylori from the remote Amazon: traces of
RT Asian ancestry of the first Americans.";
RL Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001072; ACD48076.1; -; Genomic_DNA.
DR RefSeq; WP_000393622.1; NC_010698.2.
DR AlphaFoldDB; B2UT94; -.
DR SMR; B2UT94; -.
DR KEGG; hps:HPSH_03150; -.
DR HOGENOM; CLU_039268_0_2_7; -.
DR OMA; IDFFLTD; -.
DR UniPathway; UPA00219; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
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 Gene3D; 3.30.1490.20; -; 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 Pfam; PF07478; Dala_Dala_lig_C; 1.
DR Pfam; PF01820; Dala_Dala_lig_N; 1.
DR SUPFAM; SSF52440; SSF52440; 1.
DR TIGRFAMs; TIGR01205; D_ala_D_alaTIGR; 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..347
FT /note="D-alanine--D-alanine ligase"
FT /id="PRO_1000091186"
FT DOMAIN 134..332
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 161..216
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 288
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 300
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 300
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
FT BINDING 302
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00047"
SQ SEQUENCE 347 AA; 39458 MW; 386DE0C341B317A9 CRC64;
MEFCVLFGGA SFEHEISIVS AIALKEALKG RIKYFIFLDE NHHFYLIEES NMHSKYFAQI
KEKKLPPLIL TCNGLLKNSF LGAKIIELPL VINLVHGGDG EDGKLASLLE FYRIAFIGPG
IEASVLSYNK YLTKLYAKDL GVKALDHVLL NEKNRANALN LIGFNFPFII KPSNAGSSLG
VSVVKEEKEL IYALDGAFEY SKEILIEPFI QGVKEYNLAG CKIKKDFCFS YVEEPNKQEF
LDFKQKYLDF SRNKAPKANL SNALEEQLKE NFKKLYNDLF DGALIRCDFF VIENEVYLNE
INPIPGSLAN YLFDDFKTTL ENLAQSLPKT PKIQIKNSYL LQIQKNK