Reviewed, UniProtKB/Swiss-Prot A1K4F8 (DAPA_AZOSB)

Names and origin

Protein names

Recommended name:
    Dihydrodipicolinate synthase
      Short name=DHDPS
    EC=4.2.1.52

Gene names

Name:	dapA
Ordered Locus Names:	azo1096

Organism

Azoarcus sp. (strain BH72) [Complete proteome] [HAMAP]

Taxonomic identifier

62928 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Betaproteobacteria › Rhodocyclales › Rhodocyclaceae › Azoarcus

Protein attributes

Sequence length	292 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	L-aspartate 4-semialdehyde + pyruvate = dihydrodipicolinate + 2 H2O. HAMAP MF_00418
Pathway	Amino-acid biosynthesis; L-lysine biosynthesis via DAP pathway; (S)-tetrahydrodipicolinate from L-aspartate: step 3/4. HAMAP MF_00418
Subunit structure	Homotetramer By similarity.
Subcellular location	Cytoplasm By similarity.
Sequence similarities	Belongs to the DHDPS family.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Diaminopimelate biosynthesis Lysine biosynthesis
Cellular component	Cytoplasm
Ligand	Schiff base
Molecular function	Lyase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	diaminopimelate biosynthetic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	dihydrodipicolinate synthase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 292	292	Dihydrodipicolinate synthase HAMAP MF_00418		PRO_1000050162
Regions
	Region	48 – 49	2	Pyruvate binding By similarity
Sites
	Active site	161	1	Schiff-base intermediate with substrate By similarity
	Binding site	106	1	Pyruvate By similarity
	Site	133	1	Involved in proton transfer during cleavage By similarity

Sequences

	Sequence		Length	Mass (Da)
	A1K4F8-1 [UniParc]. Last modified February 6, 2007. Version 1. Checksum: 25E836C0367C9949	FASTA	292	30,960
	10 20 30 40 50 60 MITGSIVAIV TPMHEDGSLD FPRLRSLIDW HVAEGTDGIV IVGTTGESPT VSVDEHCELI 70 80 90 100 110 120 RVAVEHAAGR IPVIAGTGAN STAEAIALAR YAQQAGAVAH LSVVPYYNRP SQEGLYQHFR 130 140 150 160 170 180 SVAEAVELPL ILYNVPGRTV ADLSNDTALR LAEIPNIIGL KDATGSIDRA CDLIERAPEG 190 200 210 220 230 240 FALYSGDDMT VAAFILLGGH GTISVTANVA PRAMHEMCAA ALAGDAAKAR TINARLVGLH 250 260 270 280 290 RHLFCEANPI PVKWAVQRMG LVEGGLRLPL TPLAESFHDR VLTAMRQAGI QA

References

[1]

"Complete genome of the mutualistic, N2-fixing grass endophyte Azoarcus sp. strain BH72." Krause A., Ramakumar A., Bartels D., Battistoni F., Bekel T., Boch J., Boehm M., Friedrich F., Hurek T., Krause L., Linke B., McHardy A.C., Sarkar A., Schneiker S., Syed A.A., Thauer R., Vorhoelter F.-J., Weidner S. , Puehler A., Reinhold-Hurek B., Kaiser O., Goesmann A. Nat. Biotechnol. 24:1385-1391(2006) [PubMed: 17057704] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	AM406670 Genomic DNA. Translation: CAL93713.1.
RefSeq	YP_932600.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	A1K4F8.
Genome annotation databases
GeneID	4606688.
GenomeReviews	Gene locus azo1096 in contig AM406670_GR.
KEGG	azo:azo1096.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	VAPRLMH.
Family and domain databases
HAMAP	MF_00418. [Tree]
InterPro	IPR013785. Aldolase_TIM. IPR005263. DapA_synth. IPR002220. DHDPS. [Graphical view]
Gene3D	G3DSA:3.20.20.70. Aldolase_TIM. 1 hit.
PANTHER	PTHR12128. DHDPS. 1 hit.
Pfam	PF00701. DHDPS. 1 hit. [Graphical view]
PRINTS	PR00146. DHPICSNTHASE.
ProDom	PD001859. DHDPS. 1 hit. [Graphical view] [Entries sharing at least one domain]
TIGRFAMs	TIGR00674. dapA. 1 hit.
PROSITE	PS00665. DHDPS_1. 1 hit. PS00666. DHDPS_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

DAPA_AZOSB

Accession

Primary (citable) accession number: A1K4F8

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	February 6, 2007
Last modified:	November 3, 2009
This is version 21 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)