Reviewed, UniProtKB/Swiss-Prot B2I1J3 (DDL_ACIBC)

Names and origin

Protein names

Recommended name:
    D-alanine--D-alanine ligase
    EC=6.3.2.4
Alternative name(s):
    D-alanylalanine synthetase
    D-Ala-D-Ala ligase

Gene names

Name:	ddl
Ordered Locus Names:	ACICU_03532

Organism

Acinetobacter baumannii (strain ACICU) [Complete proteome] [HAMAP]

Taxonomic identifier

405416 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Pseudomonadales › Moraxellaceae › Acinetobacter

Protein attributes

Sequence length	308 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Cell wall formation By similarity.
Catalytic activity	ATP + 2 D-alanine = ADP + phosphate + D-alanyl-D-alanine. HAMAP MF_00047
Cofactor	Binds 2 magnesium or manganese ions per subunit By similarity.
Pathway	Cell wall biogenesis; peptidoglycan biosynthesis. HAMAP MF_00047
Subcellular location	Cytoplasm By similarity.
Sequence similarities	Belongs to the D-alanine--D-alanine ligase family. Contains 1 ATP-grasp domain.

Ontologies

Keywords
Biological process	Cell shape Cell wall biogenesis/degradation Peptidoglycan synthesis
Cellular component	Cytoplasm
Ligand	ATP-binding Magnesium Manganese Metal-binding Nucleotide-binding
Molecular function	Ligase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	cell wall organization Inferred from electronic annotation. Source: UniProtKB-KW peptidoglycan biosynthetic process Inferred from electronic annotation. Source: HAMAP regulation of cell shape Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cell wall Inferred from electronic annotation. Source: InterPro cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW D-alanine-D-alanine ligase activity Inferred from electronic annotation. Source: HAMAP magnesium ion binding Inferred from electronic annotation. Source: UniProtKB-KW manganese ion binding Inferred from electronic annotation. Source: UniProtKB-KW
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 308	308	D-alanine--D-alanine ligase HAMAP MF_00047		PRO_1000091154
Regions
	Domain	104 – 301	198	ATP-grasp
	Nucleotide binding	130 – 185	56	ATP By similarity
Sites
	Metal binding	255	1	Magnesium or manganese 1 By similarity
	Metal binding	268	1	Magnesium or manganese 1 By similarity
	Metal binding	268	1	Magnesium or manganese 2 By similarity
	Metal binding	270	1	Magnesium or manganese 2 By similarity

Sequences

	Sequence		Length	Mass (Da)
	B2I1J3-1 [UniParc]. Last modified June 10, 2008. Version 1. Checksum: 2FAC21CB07A75F19	FASTA	308	33,361
	10 20 30 40 50 60 MSNATKFGKV AVLLGGKSAE RAVSLDSGQA VLDALLRSGV QAEAFDPQDR SVTELVNYDR 70 80 90 100 110 120 AFIVLHGRGG EDGQIQGVLE WLNIPYTGTG VQGSAIGMDK VKTKQIWQGS DLPTAPYRII 130 140 150 160 170 180 TKETDLDSVI AELGLPVIIK PVHEGSSVGM SKVEKAEDFA AAIEKATQHD AVVMAEKWIT 190 200 210 220 230 240 GREFTISFLN GQPLPVIRLQ PPADVAFYDY EAKYQRNDVE YGIPCGLSET EEKKLQALCL 250 260 270 280 290 300 RAFQAVGAEG WGRIDAMQDE QGNFWLLEVN TVPGMTSHSL VPKAAKAVGY SFDELCVAIL EQTLEGTA

References

[1]

"Whole-genome pyrosequencing of an epidemic multidrug-resistant Acinetobacter baumannii strain belonging to the European clone II group." Iacono M., Villa L., Fortini D., Bordoni R., Imperi F., Bonnal R.J., Sicheritz-Ponten T., De Bellis G., Visca P., Cassone A., Carattoli A. Antimicrob. Agents Chemother. 52:2616-2625(2008) [PubMed: 18411315] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000863 Genomic DNA. Translation: ACC58841.1.
RefSeq	YP_001848188.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	6235414.
GenomeReviews	Gene locus ACICU_03532 in contig CP000863_GR.
KEGG	abc:ACICU_03532.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	VPYTGSD.
Family and domain databases
HAMAP	MF_00047. [Tree]
InterPro	IPR011761. ATP-grasp. IPR013816. ATP_grasp_subdomain_2. IPR000291. D-Ala_lig_Van_CS. IPR005905. D_ala_D_ala. IPR011095. Dala_Dala_lig_C. IPR011127. Dala_Dala_lig_N. IPR013817. Pre-ATP_grasp. [Graphical view]
Gene3D	G3DSA:3.30.470.20. ATP_grasp_subdomain_2. 1 hit. G3DSA:3.40.50.20. Pre-ATP_grasp. 1 hit.
Pfam	PF07478. Dala_Dala_lig_C. 1 hit. PF01820. Dala_Dala_lig_N. 1 hit. [Graphical view]
TIGRFAMs	TIGR01205. D_ala_D_alaTIGR. 1 hit.
PROSITE	PS50975. ATP_GRASP. 1 hit. PS00843. DALA_DALA_LIGASE_1. 1 hit. PS00844. DALA_DALA_LIGASE_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

DDL_ACIBC

Accession

Primary (citable) accession number: B2I1J3

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 24, 2009
Last sequence update:	June 10, 2008
Last modified:	November 3, 2009
This is version 14 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)