Q1CU21 (DAPB_HELPH) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Dihydrodipicolinate reductase
Short name=DHPR
EC=1.3.1.26

Gene names

Name:	dapB
Ordered Locus Names:	HPAG1_0484

Organism

Helicobacter pylori (strain HPAG1) [Complete proteome] [HAMAP]

Taxonomic identifier

357544 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Epsilonproteobacteria › Campylobacterales › Helicobacteraceae › Helicobacter

Protein attributes

Sequence length	254 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	(S)-2,3,4,5-tetrahydrodipicolinate + NAD(P)+ = (S)-2,3-dihydrodipicolinate + NAD(P)H. HAMAP MF_00102
Pathway	Amino-acid biosynthesis; L-lysine biosynthesis via DAP pathway; (S)-tetrahydrodipicolinate from L-aspartate: step 4/4. HAMAP MF_00102
Subcellular location	Cytoplasm By similarity HAMAP MF_00102.
Sequence similarities	Belongs to the dihydrodipicolinate reductase family.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Diaminopimelate biosynthesis Lysine biosynthesis
Cellular component	Cytoplasm
Ligand	NADP
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	diaminopimelate biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	NADPH binding Inferred from electronic annotation. Source: InterPro dihydrodipicolinate reductase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 254	254	Dihydrodipicolinate reductase HAMAP MF_00102		PRO_1000008573

Sequences

	Sequence		Length	Mass (Da)
	Q1CU21 [UniParc]. Last modified July 11, 2006. Version 1. Checksum: CA3E20472202DE13	FASTA	254	27,922
	10 20 30 40 50 60 MKIGVYGASG RIGKLLLEEL KGGYKGLALS SVFVRQKCET DFSHFSHSPL VTNDLKAFVR 70 80 90 100 110 120 ACECVIDFSL PKGLDHLLEA LLECPKILVS GTTGLEKETL EKMQQLALRV PLLHAHNMSL 130 140 150 160 170 180 GIMMFNQLAF LASLKLKDAD IEIVETHHNL KKDAPSGTAL SLYETCAKAR GYDEKNALTT 190 200 210 220 230 240 HREGLRSKES IGIAALRGGD VAGKHTIGFY LEGEYIELSH TATNRSIFAK GALEVALWLK 250 DKAAKKYEIN EMFG

References

[1]

"The complete genome sequence of a chronic atrophic gastritis Helicobacter pylori strain: evolution during disease progression." Oh J.D., Kling-Baeckhed H., Giannakis M., Xu J., Fulton R.S., Fulton L.A., Cordum H.S., Wang C., Elliott G., Edwards J., Mardis E.R., Engstrand L.G., Gordon J.I. Proc. Natl. Acad. Sci. U.S.A. 103:9999-10004(2006) [PubMed: 16788065] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: HPAG1.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000241 Genomic DNA. Translation: ABF84551.1.
RefSeq	YP_627225.1. NC_008086.1.
3D structure databases
ProteinModelPortal	Q1CU21.
ModBase	Search...
Protein-protein interaction databases
STRING	Q1CU21.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	4098609.
GenomeReviews	Gene locus HPAG1_0484 in contig CP000241_GR.
KEGG	hpa:HPAG1_0484.
PATRIC	20602311. VBIHelPyl56048_0504.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0289.
HOGENOM	HBG594002.
OMA	IEISHKS.
ProtClustDB	PRK00048.
Enzyme and pathway databases
BioCyc	HPYL357544:HPAG1_0484-MONOMER.
Family and domain databases
HAMAP	MF_00102. DapB. [Tree]
InterPro	IPR022663. DapB_C. IPR000846. DapB_N. IPR022664. DapB_N_CS. IPR011770. Dihydrodipicolinate_Rdtase. IPR023940. Dihydrodipicolinate_Rdtase_bac. IPR016040. NAD(P)-bd_dom. [Graphical view]
Gene3D	G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
KO	K00215.
PANTHER	PTHR20836. DapB_bac/pln. 1 hit.
Pfam	PF05173. DapB_C. 1 hit. PF01113. DapB_N. 1 hit. [Graphical view]
PIRSF	PIRSF000161. DHPR. 1 hit.
TIGRFAMs	TIGR00036. DapB. 1 hit.
PROSITE	PS01298. DAPB. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

DAPB_HELPH

Accession

Primary (citable) accession number: Q1CU21

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	July 11, 2006
Last modified:	January 25, 2012
This is version 45 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program