Reviewed, UniProtKB/Swiss-Prot Q6AAR3 (TDH_PROAC)

Names and origin

Protein names

Recommended name:
    L-threonine 3-dehydrogenase
    EC=1.1.1.103

Gene names

Name:	tdh
Ordered Locus Names:	PPA0402

Organism

Propionibacterium acnes [Complete proteome] [HAMAP]

Taxonomic identifier

1747 [NCBI]

Taxonomic lineage

Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Propionibacterineae › Propionibacteriaceae › Propionibacterium

Protein attributes

Sequence length	345 AA.
Sequence status	Complete.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	L-threonine + NAD+ = L-2-amino-3-oxobutanoate + NADH. HAMAP MF_00627
Cofactor	Binds 2 zinc ions per subunit By similarity. HAMAP MF_00627
Pathway	Amino-acid degradation; L-threonine degradation via oxydo-reductase pathway; glycine from L-threonine: step 1/2. HAMAP MF_00627
Subunit structure	Homotetramer By similarity. HAMAP MF_00627
Subcellular location	Cytoplasm By similarity HAMAP MF_00627.
Sequence similarities	Belongs to the zinc-containing alcohol dehydrogenase family.

Ontologies

Keywords
Cellular component	Cytoplasm
Ligand	Metal-binding NAD Zinc
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW threonine catabolic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	L-threonine 3-dehydrogenase activity Inferred from electronic annotation. Source: HAMAP zinc 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 – 345	345	L-threonine 3-dehydrogenase HAMAP MF_00627		PRO_0000160849
Sites
	Metal binding	38	1	Zinc 1; catalytic By similarity
	Metal binding	63	1	Zinc 1; catalytic By similarity
	Metal binding	93	1	Zinc 2 By similarity
	Metal binding	96	1	Zinc 2 By similarity
	Metal binding	99	1	Zinc 2 By similarity
	Metal binding	107	1	Zinc 2 By similarity
	Metal binding	149	1	Zinc 1; catalytic By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q6AAR3-1 [UniParc]. Last modified September 13, 2004. Version 1. Checksum: 1592122C0584062A	FASTA	345	37,339
	10 20 30 40 50 60 MKALVKTRPE PGLELVEVPD PVAGPNDVIV KVMRTGICGT DVHIDKWDGW AAKTVHTPLV 70 80 90 100 110 120 LGHEFCGEIV ELGSEVNDLE VGQFVSGEGH YVCGRCRACL AGKRHLCRNT QGIGYAVNGA 130 140 150 160 170 180 YCQYFVMPAG NVWVHHIPDL DPDVAAIFDP FGNAVHTALQ FPCLAEDVLV SGAGPIGIMA 190 200 210 220 230 240 ALVAQFQGAR NVVVTDLSDE RLELAQQLGL KNAVNVSREG LETVWDRFDM KEGFDIGLEM 250 260 270 280 290 300 SGSGTALTSM IDNMTHGGRI ALLGTPSTDI TLDFSKIIFN MITIQGVTGR QIFETWYTMA 310 320 330 340 SLIRSGLDIS GIITDRYPIT EFREAFDVAG SGHGGKVVMN WECLD

References

[1]

"The complete genome sequence of Propionibacterium acnes, a commensal of human skin." Brueggemann H., Henne A., Hoster F., Liesegang H., Wiezer A., Strittmatter A., Hujer S., Duerre P., Gottschalk G. Science 305:671-673(2004) [PubMed: 15286373] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: KPA171202 / DSM 16379.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE017283 Genomic DNA. Translation: AAT82153.1.
RefSeq	YP_055111.1.
3D structure databases
SMR	Q6AAR3. Positions 1-342.
ModBase	Search...
Genome annotation databases
GeneID	2931139.
GenomeReviews	Gene locus PPA0402 in contig AE017283_GR.
KEGG	pac:PPA0402.
NMPDR	fig|267747.1.peg.388.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG753318.
OMA	MEIASIF.
Enzyme and pathway databases
BioCyc	PACN267747:PPA0402-MONOMER.
BRENDA	1.1.1.103. 39123.
Family and domain databases
HAMAP	MF_00627. Thr_dehydrog. [Tree]
InterPro	IPR013154. ADH_GroES-like. IPR002085. ADH_SF_Zn. IPR013149. ADH_Zn-bd. IPR002328. ADH_Zn_CS. IPR011032. GroES-like. IPR004627. L-Threonine_3-DHase. IPR016040. NAD(P)-bd_dom. [Graphical view]
PANTHER	PTHR11695. ADH_Sf_Zn. 1 hit.
Pfam	PF08240. ADH_N. 1 hit. PF00107. ADH_zinc_N. 1 hit. [Graphical view]
PROSITE	PS00059. ADH_ZINC. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

TDH_PROAC

Accession

Primary (citable) accession number: Q6AAR3

Entry history

Integrated into UniProtKB/Swiss-Prot:	June 7, 2005
Last sequence update:	September 13, 2004
Last modified:	January 19, 2010
This is version 44 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)