3q1k Summary

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The Crystal Structure of the D-alanyl-alanine Synthetase A from Salmonella enterica Typhimurium Complexed with ADP

A publication describing this structure is not available. The depositing authors are Zhang, R.search; Maltseva, N.search; Papazisi, L.search; Anderson, W.search; Joachimiak, A.search; Center for Structural Genomics of Infectious Diseases (CSGID)search

This crystal structure was determined using X-ray diffraction at a resolution of 2.202 Å and deposited in 2010.

The experimental data on which the structure is based was also deposited.

This PDB entry contains multiple copies of the structure of D-alanine--D-alanine ligase A.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule has more than one probable quaternary state observed. For more details see the quaternary structure page.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A D-alanine--D-alanine ligase A P0A1F0 (1-364) (DDLA_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search 100% 367 97%
B D-alanine--D-alanine ligase A P0A1F0 (1-364) (DDLA_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search 100% 367 97%
C D-alanine--D-alanine ligase A P0A1F0 (1-364) (DDLA_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search 100% 367 97%
D D-alanine--D-alanine ligase A P0A1F0 (1-364) (DDLA_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search 100% 367 97%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P0A1F0 (1 - 364) D-alanine--D-alanine ligase A Salmonella enterica subsp. enterica serovar Typhimurium

Chain Sequence family (Pfam)
A, B, C, D (P0A1F0) PF01820: D-ala D-ala ligase N-terminussearch, PF07478: D-ala D-ala ligase C-terminussearch

Chain ID Cellular component (GO) Molecular function (GO) Biological process (GO)
A, B, C, D (P0A1F0) cytoplasmsearch nucleotide bindingsearch ATP bindingsearch manganese ion bindingsearch ligase activitysearch D-alanine-D-alanine ligase activitysearch metal ion bindingsearch catalytic activitysearch magnesium ion bindingsearch peptidoglycan biosynthetic processsearch cell wall organizationsearch regulation of cell shapesearch

Chain InterPro annotation
A, B, C, D D-alanine--D-alanine ligase/VANA/B/C, conserved sitesearch D-alanine--D-alanine ligasesearch D-alanine--D-alanine ligase, C-terminalsearch D-alanine--D-alanine ligase, N-terminal domainsearch ATP-grasp foldsearch ATP-grasp fold, subdomain 1search ATP-grasp fold, subdomain 2search Pre-ATP-grasp domainsearch