Reviewed, UniProtKB/Swiss-Prot Q5WKY8 (IOLD_BACSK)

Names and origin

Protein names

Recommended name:
    3D-(3,5/4)-trihydroxycyclohexane-1,2-dione hydrolase
      Short name=THcHDO hydrolase
    EC=3.7.1.n2

Gene names

Name:	iolD
Ordered Locus Names:	ABC0425

Organism

Bacillus clausii (strain KSM-K16) [Complete proteome] [HAMAP]

Taxonomic identifier

66692 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Bacillaceae › Bacillus

Protein attributes

Sequence length	637 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Involved in the cleavage of the C1-C2 bond of 3D-(3,5/4)-trihydroxycyclohexane-1,2-dione (THcHDO) to yield 5-deoxy-glucuronate (5DG) By similarity.
Catalytic activity	3,5/4-trihydroxycyclohexa-1,2-dione + H2O = 5-deoxy-glucuronic acid. HAMAP MF_01669
Cofactor	Binds 1 magnesium ion per subunit By similarity. Binds 1 thiamine pyrophosphate per subunit By similarity.
Pathway	Polyol metabolism; myo-inositol degradation into acetyl-CoA; acetyl-CoA from myo-inositol: step 3/7. HAMAP MF_01669
Sequence similarities	Belongs to the TPP enzyme family.

Ontologies

Keywords
Ligand	Magnesium Metal-binding NAD Thiamine pyrophosphate
Molecular function	Hydrolase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	inositol catabolic process Inferred from electronic annotation. Source: HAMAP
Molecular function	hydrolase activity, acting on acid carbon-carbon bonds, in ketonic substances Inferred from electronic annotation. Source: EC magnesium ion binding Inferred from electronic annotation. Source: HAMAP thiamin pyrophosphate binding Inferred from electronic annotation. Source: HAMAP transferase activity 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 – 637	637	3D-(3,5/4)-trihydroxycyclohexane-1,2-dione hydrolase HAMAP MF_01669		PRO_0000352532
Regions
	Region	442 – 522	81	Thiamine pyrophosphate binding By similarity
Sites
	Metal binding	493	1	Magnesium By similarity
	Metal binding	520	1	Magnesium By similarity
	Binding site	66	1	Thiamine pyrophosphate By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q5WKY8-1 [UniParc]. Last modified November 23, 2004. Version 1. Checksum: 09450A760DB392A6	FASTA	637	70,485
	10 20 30 40 50 60 MAKTIRLTTA QALVKFLNAQ YLHADGKEEP FVEGIFTIFG HGNVLGIGQA LEQDAGRLNV 70 80 90 100 110 120 WQGKNEQGMA HAAMAFSKQM LRKKIYAVTT SVGPGAANLV AAAGTALANN IPVLLLPADT 130 140 150 160 170 180 FATRQPDPVL QQFEQEYSQA VTTNDALKPV SRYWDRITRP EQLMSSLIRA FEVMTDPGKA 190 200 210 220 230 240 GPATICIAQD VEGEAYEYPE EFFRKRIHYL ERRKPTEREI EEALERIRRS KRPLLVVGGG 250 260 270 280 290 300 AKYSEAKEEL VALSEQCGIP LVETQAGKAT VAADFANNLG GLGVTGTLAA NKAAREADLV 310 320 330 340 350 360 IGVGTRYTDF ATSSKTAFDF EHTTFLNINV SRMQTYKLDA YQVVADAKET LSLLISRLKT 370 380 390 400 410 420 YRSAFGDRIA ALKEEWLAER NRLKSVVFNR KTFVPEVKEH FSQEKLNEYA DALGTELPQT 430 440 450 460 470 480 TALLAINETI DEDSTIICSS GSLPGDLQRL WHANEPNTYH LEYGYSCMGY EISGALGIKL 490 500 510 520 530 540 AEPEREVYSI VGDGSFLMLH SELITAIQYN KKINILLFDN AGFGCISNLQ MDHGGGSYYC 550 560 570 580 590 600 EFLTADNQVM NIDYAKVAEG YGAKTYRANT VEQLKAALKD AKKQETSTLI EMKVLPKTMT 610 620 630 DGYESWWNVG VAEVAASQSI QDAYQARQAK LKEAKHY

References

[1]	"The complete genome sequence of the alkaliphilic Bacillus clausii KSM-K16." Takaki Y., Kageyama Y., Shimamura S., Suzuki H., Nishi S., Hatada Y., Kawai S., Ito S., Horikoshi K. Submitted (OCT-2003) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	AP006627 Genomic DNA. Translation: BAD62967.1.
RefSeq	YP_173928.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	3201320.
GenomeReviews	Gene locus ABC0425 in contig AP006627_GR.
KEGG	bcl:ABC0425.
NMPDR	fig|66692.3.peg.328.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q5WKY8.
OMA	Q5WKY8. FTQAGKS.
Family and domain databases
HAMAP	MF_01669. [Tree]
InterPro	IPR000399. TPP_bd_CS. IPR012001. TPP_bd_enzyme_N. IPR011766. TPP_enzyme_bd_C. IPR012000. TPP_enzyme_M. [Graphical view]
Pfam	PF02775. TPP_enzyme_C. 1 hit. PF00205. TPP_enzyme_M. 1 hit. PF02776. TPP_enzyme_N. 1 hit. [Graphical view]
PROSITE	PS00187. TPP_ENZYMES. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

IOLD_BACSK

Accession

Primary (citable) accession number: Q5WKY8

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 14, 2008
Last sequence update:	November 23, 2004
Last modified:	June 16, 2009
This is version 29 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)