ID A0A926VD69_9CYAN Unreviewed; 356 AA.
AC A0A926VD69;
DT 22-FEB-2023, integrated into UniProtKB/TrEMBL.
DT 22-FEB-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=ddl {ECO:0000256|HAMAP-Rule:MF_00047};
GN ORFNames=H6G03_04495 {ECO:0000313|EMBL:MBD2180374.1};
OS Aerosakkonema funiforme FACHB-1375.
OC Bacteria; Bacillati; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Aerosakkonematales; Aerosakkonemataceae; Aerosakkonema.
OX NCBI_TaxID=2949571 {ECO:0000313|EMBL:MBD2180374.1, ECO:0000313|Proteomes:UP000641646};
RN [1] {ECO:0000313|EMBL:MBD2180374.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=FACHB-1375 {ECO:0000313|EMBL:MBD2180374.1};
RX PubMed=32943748;
RA Chen M.Y., Teng W.K., Zhao L., Hu C.X., Zhou Y.K., Han B.P., Song L.R.,
RA Shu W.S.;
RT "Comparative genomics reveals insights into cyanobacterial evolution and
RT habitat adaptation.";
RL ISME J. 0:0-0(2020).
RN [2] {ECO:0000313|EMBL:MBD2180374.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=FACHB-1375 {ECO:0000313|EMBL:MBD2180374.1};
RA Chen M., Teng W., Zhao L., Hu C., Zhou Y., Han B., Song L., Shu W.;
RL Submitted (AUG-2020) 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:MBD2180374.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; JACJPW010000008; MBD2180374.1; -; Genomic_DNA.
DR RefSeq; WP_190462690.1; NZ_JACJPW010000008.1.
DR Proteomes; UP000641646; 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; 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:UP000641646}.
FT DOMAIN 139..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 135
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 301
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 356 AA; 38538 MW; 3F54D895D91FE0C8 CRC64;
MSKMRVGLLF GGRSGEHEVS IVSARSIAKA LKSEQNAQKY EVLPFYIQKD GFWQGGETAQ
QVLDGEVPQV GEEEGKYANP KSRWQFPPEA DSVDVWFPIL HGPNGEDGTV QGLLSLMQVP
FVGSGVLGSA VGMDKIAMKT AFAQAGLPQV KYQTVSRAQI WSNPCVFPKL CDEIEADLGY
PCFVKPANLG SSVGIAKVRS RTQLEAALDS AASYDRRIIV EAGVVAREVE CAVLGNDNPQ
ASAVGEITYK SDFYDYETKY TEGKADLIIP ANIPAAVAAQ IQDMAVKAFL AVDAAGLARV
DFFYVESTGE VLINEINTLP GFTSTSMYPQ LWGYSGVPFA ELADKLIQAA LERYKP
//
