Reviewed, UniProtKB/Swiss-Prot P37143 (DHOM_METGL)

Names and origin

Protein names

Recommended name:
    Homoserine dehydrogenase
      Short name=HDH
    EC=1.1.1.3

Gene names

Name:

hom

Organism

Methylobacillus glycogenes

Taxonomic identifier

406 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Betaproteobacteria › Methylophilales › Methylophilaceae › Methylobacillus

Protein attributes

Sequence length	435 AA.
Sequence status	Complete.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	L-homoserine + NAD(P)+ = L-aspartate 4-semialdehyde + NAD(P)H.
Pathway	Amino-acid biosynthesis; L-methionine biosynthesis via de novo pathway; L-homoserine from L-aspartate: step 3/3. Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine from L-aspartate: step 3/5.
Sequence similarities	Belongs to the homoserine dehydrogenase family.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Branched-chain amino acid biosynthesis Isoleucine biosynthesis Methionine biosynthesis Threonine biosynthesis
Ligand	NADP
Molecular function	Oxidoreductase
Gene Ontology (GO)
Biological process	isoleucine biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW methionine biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW threonine biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	NADP or NADPH binding Inferred from electronic annotation. Source: InterPro homoserine dehydrogenase 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 – 435	435	Homoserine dehydrogenase		PRO_0000066698
Regions
	Nucleotide binding	9 – 16	8	NADP By similarity
Sites
	Active site	204	1	Proton donor Potential
	Binding site	105	1	NADP By similarity
	Binding site	190	1	Substrate By similarity

Sequences

	Sequence		Length	Mass (Da)
	P37143-1 [UniParc]. Last modified October 1, 1994. Version 1. Checksum: 58468B0E7A81ACAB	FASTA	435	48,227
	10 20 30 40 50 60 MKPINVGLLG IGTVGGGTYT VLTRNQEGNR APCRPPNCHH ARRDRNLELA RKVTGGQIDV 70 80 90 100 110 120 TDDAFAVVVR PRHRHRGRID RRIHHRARTG YEGDRERQAR VAANKALMLA WQRDFRRVAQ 130 140 150 160 170 180 QKGVIVAFEA AVAGGIPIIK AVAAGAGRQP SSRVLRAIIN GTTNFILSEM REKGLAFADV 190 200 210 220 230 240 LKEAQPRLCE ATRPSTSRAW TAHKLMILAA IGFGIPMQFD KAYVEGISKL DALDIRYAEE 250 260 270 280 290 300 LGYRQAAWHA PSAPARGVEL ARAPDPDPRE TPDRQCQRRH NAVLVSDACR SHLVYRPDAC 310 320 330 340 350 360 RRHASAVVAD IVDGTRTAYH RRAPAVPHLL SSPTSSWTCR FAIGEVSSAY YLRLRAVDKP 370 380 390 400 410 420 GRDGHVTRIL ATGSLHRCDD SEGNRRQAER RRSGRHHHPD HVTVEKNMDD AIVAIEALPA 430 ISGSVTRLRM EELSR

References

[1]

"Cloning and nucleotide sequences of the homoserine dehydrogenase genes (hom) and the threonine synthase genes (thrC) of the Gram-negative obligate methylotroph Methylobacillus glycogenes." Motoyama H., Maki K., Anazawa H., Ishino S., Teshiba S. Appl. Environ. Microbiol. 60:111-119(1994) [PubMed: 8117070] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: ATCC 21276.

Cross-references

Sequence databases
EMBL GenBank DDBJ	D14070 Genomic DNA. Translation: BAA40414.1.
3D structure databases
ModBase	Search...
Enzyme and pathway databases
BRENDA	1.1.1.3. 20727.
Family and domain databases
InterPro	IPR005106. Asp/hSer_DH_NAD-bd. IPR001342. Homoserine_dehydrogenase_cat. IPR016040. NAD(P)-bd_dom. [Graphical view]
Pfam	PF00742. Homoserine_dh. 1 hit. PF03447. NAD_binding_3. 1 hit. [Graphical view]
PROSITE	PS01042. HOMOSER_DHGENASE. False negative. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

DHOM_METGL

Accession

Primary (citable) accession number: P37143

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 1, 1994
Last sequence update:	October 1, 1994
Last modified:	November 24, 2009
This is version 48 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)