Reviewed, UniProtKB/Swiss-Prot P33940 (MQO_ECOLI)

Names and origin

Protein names

Recommended name:
    Malate:quinone oxidoreductase
    EC=1.1.99.16
Alternative name(s):
    Malate dehydrogenase [acceptor]
    MQO

Gene names

Name:	mqo
Synonyms:	yojH
Ordered Locus Names:	b2210, JW2198

Organism

Escherichia coli (strain K12) [Complete proteome] [HAMAP]

Taxonomic identifier

83333 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	548 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Catalytic activity	(S)-malate + acceptor = oxaloacetate + reduced acceptor. HAMAP MF_00212
Cofactor	FAD By similarity.
Pathway	Carbohydrate metabolism; tricarboxylic acid cycle. HAMAP MF_00212
Sequence similarities	Belongs to the MQO family.

Ontologies

Keywords
Biological process	Tricarboxylic acid cycle
Ligand	FAD Flavoprotein
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW tricarboxylic acid cycle Inferred from electronic annotation. Source: HAMAP
Molecular function	malate dehydrogenase (acceptor) activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 548	548	Malate:quinone oxidoreductase HAMAP MF_00212		PRO_0000128712

Sequences

	Sequence		Length	Mass (Da)
	P33940-1 [UniParc]. Last modified November 1, 1997. Version 2. Checksum: 3278A6D124EEE2AA	FASTA	548	60,230
	10 20 30 40 50 60 MKKVTAMLFS MAVGLNAVSM AAKAKASEEQ ETDVLLIGGG IMSATLGTYL RELEPEWSMT 70 80 90 100 110 120 MVERLEGVAQ ESSNGWNNAG TGHSALMELN YTPQNADGSI SIEKAVAINE AFQISRQFWA 130 140 150 160 170 180 HQVERGVLRT PRSFINTVPH MSFVWGEDNV NFLRARYAAL QQSSLFRGMR YSEDHAQIKE 190 200 210 220 230 240 WAPLVMEGRD PQQKVAATRT EIGTDVNYGE ITRQLIASLQ KKSNFSLQLS SEVRALKRND 250 260 270 280 290 300 DNTWTVTVAD LKNGTAQNIR AKFVFIGAGG AALKLLQESG IPEAKDYAGF PVGGQFLVSE 310 320 330 340 350 360 NPDVVNHHLA KVYGKASVGA PPMSVPHIDT RVLDGKRVVL FGPFATFSTK FLKNGSLWDL 370 380 390 400 410 420 MSSTTTSNVM PMMHVGLDNF DLVKYLVSQV MLSEEDRFEA LKEYYPQAKK EDWRLWQAGQ 430 440 450 460 470 480 RVQIIKRDAE KGGVLRLGTE VVSDQQGTIA ALLGASPGAS TAAPIMLNLL EKVFGDRVSS 490 500 510 520 530 540 PQWQATLKAI VPSYGRKLNG DVAATERELQ YTSEVLGLNY DKPQAADSTP KPQLKPQPVQ KEVADIAL

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Automated multiplex sequencing of the E.coli genome." Richterich P., Lakey N., Gryan G., Jaehn L., Mintz L., Robison K., Church G.M. Submitted (OCT-1993) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K12 / BHB2600.
[2]	"A 460-kb DNA sequence of the Escherichia coli K-12 genome corresponding to the 40.1-50.0 min region on the linkage map." Itoh T., Aiba H., Baba T., Fujita K., Hayashi K., Inada T., Isono K., Kasai H., Kimura S., Kitakawa M., Kitagawa M., Makino K., Miki T., Mizobuchi K., Mori H., Mori T., Motomura K., Nakade S. , Nakamura Y., Nashimoto H., Nishio Y., Oshima T., Saito N., Sampei G., Seki Y., Sivasundaram S., Tagami H., Takeda J., Takemoto K., Wada C., Yamamoto Y., Horiuchi T. DNA Res. 3:379-392(1996) [PubMed: 9097040] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K12 / W3110 / ATCC 27325 / DSM 5911.
[3]	"The complete genome sequence of Escherichia coli K-12." Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V., Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F., Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B., Shao Y. Science 277:1453-1474(1997) [PubMed: 9278503] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K12 / MG1655 / ATCC 47076.
[4]	"Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110." Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S., Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T. Mol. Syst. Biol. 2:E1-E5(2006) [PubMed: 16738553] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K12 / W3110 / ATCC 27325 / DSM 5911.
[5]	"Another unusual type of citric acid cycle enzyme in Helicobacter pylori: the malate:quinone oxidoreductase." Kather B., Stingl K., van der Rest M.E., Altendorf K., Molenaar D. J. Bacteriol. 182:3204-3209(2000) [PubMed: 10809701] [Abstract] Cited for: CHARACTERIZATION.

Cross-references

Sequence databases
EMBLGenBankDDBJ	U00008 Genomic DNA. Translation: AAA16402.1. Different initiation. U00096 Genomic DNA. Translation: AAC75270.1. AP009048 Genomic DNA. Translation: BAA15993.1.
PIR	H64990.
RefSeq	AP_002806.1. NP_416714.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	946702.
GenomeReviews	Gene locus JW2198 in contig AP009048_GR. Gene locus b2210 in contig U00096_GR.
KEGG	ecj:JW2198. eco:b2210.
Organism-specific databases
EchoBASE	EB1996.
EcoGene	EG12069. mqo.
CMR	Search...
Phylogenomic databases
HOGENOM	P33940.
OMA	P33940. HLAKAYG.
Enzyme and pathway databases
BioCyc	EcoCyc:EG12069-MON. MetaCyc:EG12069-MON.
Family and domain databases
HAMAP	MF_00212. [Tree]
InterPro	IPR006231. Malate_quinone_OxRdtase. [Graphical view]
Pfam	PF06039. Mqo. 1 hit. [Graphical view]
TIGRFAMs	TIGR01320. mal_quin_oxido. 1 hit.
ProtoNet	Search...

Entry information

Entry name

MQO_ECOLI

Accession

Primary (citable) accession number: P33940
Secondary accession number(s): O08017, P76454

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 1, 1994
Last sequence update:	November 1, 1997
Last modified:	June 16, 2009
This is version 63 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)