B5YWB7 (TDH_ECO5E) 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:	ECH74115_4989

Organism

Escherichia coli O157:H7 (strain EC4115 / EHEC) [Complete proteome] [HAMAP]

Taxonomic identifier

444450 [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_1000130545
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)
	B5YWB7 [UniParc]. Last modified November 25, 2008. Version 1. Checksum: AAB2877DDD5FAC1E	FASTA	341	37,202
	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 FQKGFDAMCS GQSGKVILSW D

References

[1]	"Complete genome sequence of Escherichia coli O157:H7 str. EC4115." Eppinger M., Sebastian Y., Ravel J. Submitted (SEP-2008) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: EC4115 / EHEC.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP001164 Genomic DNA. Translation: ACI38839.1.
RefSeq	YP_002273097.1. NC_011353.1.
3D structure databases
ProteinModelPortal	B5YWB7.
SMR	B5YWB7. Positions 1-341.
ModBase	Search...
Protein-protein interaction databases
STRING	B5YWB7.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBESCT00000033716; EBESCP00000032419; EBESCG00000032766.
GeneID	6967787.
GenomeReviews	Gene locus ECH74115_4989 in contig CP001164_GR.
KEGG	ecf:ECH74115_4989.
PATRIC	18370543. VBIEscCol74651_4885.
Organism-specific databases
CMR	Search...
Phylogenomic databases
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_ECO5E

Accession

Primary (citable) accession number: B5YWB7

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	November 25, 2008
Last modified:	January 25, 2012
This is version 31 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program