A8A681 (TDH_ECOHS) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

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

Gene names

Name:	tdh
Ordered Locus Names:	EcHS_A3828

Organism

Escherichia coli O9:H4 (strain HS) [Complete proteome] [HAMAP]

Taxonomic identifier

331112 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	341 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	threonine catabolic process Inferred from electronic annotation. Source: InterPro
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	L-threonine 3-dehydrogenase activity Inferred from electronic annotation. Source: EC nucleotide binding Inferred from electronic annotation. Source: InterPro zinc ion binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 341	341	L-threonine 3-dehydrogenase HAMAP MF_00627		PRO_1000061393
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	148	1	Zinc 1; catalytic By similarity

Sequences

	Sequence		Length	Mass (Da)
	A8A681 [UniParc]. Last modified October 23, 2007. Version 1. Checksum: AAB2877DC84AAC1E	FASTA	341	37,255
	10 20 30 40 50 60 MKALSKLKAE EGIWMTDVPV PELGHNDLLI KIRKTAICGT DVHIYNWDEW SQKTIPVPMV 70 80 90 100 110 120 VGHEYVGEVV GIGQEVKGFK IGDRVSGEGH ITCGHCRNCR GGRTHLCRNT IGVGVNRPGC 130 140 150 160 170 180 FAEYLVIPAF NAFKIPDNIS DDLASIFDPF GNAVHTALSF DLVGEDVLVS GAGPIGIMAA 190 200 210 220 230 240 AVAKHVGARN VVITDVNEYR LELARKMGIT RAVNVAKENL NDVMAELGMT EGFDVGLEMS 250 260 270 280 290 300 GAPPAFRTML DTMNHGGRIA MLGIPPSDMS IDWTKVIFKG LFIKGIYGRE MFETWYKMAA 310 320 330 340 LIQSGLDLSP IITHRFSIDD FQKGFDAMRS GQSGKVILSW D

References

[1]

"The pangenome structure of Escherichia coli: comparative genomic analysis of E. coli commensal and pathogenic isolates." Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F., Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R., Henderson I.R., Sperandio V., Ravel J. J. Bacteriol. 190:6881-6893(2008) [PubMed: 18676672] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: HS.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000802 Genomic DNA. Translation: ABV08035.1.
RefSeq	YP_001460418.1. NC_009800.1.
3D structure databases
ProteinModelPortal	A8A681.
SMR	A8A681. Positions 1-341.
ModBase	Search...
Protein-protein interaction databases
STRING	A8A681.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBESCT00000053571; EBESCP00000051556; EBESCG00000052619.
GeneID	5593375.
GenomeReviews	Gene locus EcHS_A3828 in contig CP000802_GR.
KEGG	ecx:EcHS_A3828.
PATRIC	18317627. VBIEscCol77814_3740.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG1063.
GeneTree	EBGT00050000008795.
HOGENOM	HBG753318.
OMA	MMRSGMS.
ProtClustDB	PRK05396.
Family and domain databases
HAMAP	MF_00627. Thr_dehydrog. [Tree]
InterPro	IPR013149. ADH_C. IPR013154. ADH_GroES-like. IPR002085. ADH_SF_Zn-type. IPR002328. ADH_Zn_CS. IPR011032. GroES-like. IPR004627. L-Threonine_3-DHase. IPR016040. NAD(P)-bd_dom. [Graphical view]
Gene3D	G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
KO	K00060.
PANTHER	PTHR11695. ADH_Sf_Zn. 1 hit.
Pfam	PF08240. ADH_N. 1 hit. PF00107. ADH_zinc_N. 1 hit. [Graphical view]
SUPFAM	SSF50129. GroES_like. 1 hit.
TIGRFAMs	TIGR00692. Tdh. 1 hit.
PROSITE	PS00059. ADH_ZINC. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

TDH_ECOHS

Accession

Primary (citable) accession number: A8A681

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 5, 2008
Last sequence update:	October 23, 2007
Last modified:	January 25, 2012
This is version 36 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program