A1AB75 (MAO1_ECOK1) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
NAD-dependent malic enzyme
Short name=NAD-ME
EC=1.1.1.38

Gene names

Name:	maeA
Ordered Locus Names:	Ecok1_14210
ORF Names:	APECO1_615

Organism

Escherichia coli O1:K1 / APEC [Complete proteome] [HAMAP]

Taxonomic identifier

405955 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	565 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	(S)-malate + NAD+ = pyruvate + CO2 + NADH. HAMAP MF_01619
Cofactor	Divalent metal cations. Prefers magnesium or manganese By similarity.
Subunit structure	Homotetramer By similarity. HAMAP MF_01619
Sequence similarities	Belongs to the malic enzymes family.
Sequence caution	The sequence ABJ00915.1 differs from that shown. Reason: Erroneous initiation.

Ontologies

Keywords
Ligand	Metal-binding NAD
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	malate metabolic process Inferred from electronic annotation. Source: InterPro
Molecular function	NAD binding Inferred from electronic annotation. Source: InterPro malate dehydrogenase (oxaloacetate-decarboxylating) activity Inferred from electronic annotation. Source: EC metal 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 – 565	565	NAD-dependent malic enzyme HAMAP MF_01619		PRO_0000323538
Sites
	Active site	104	1	Proton donor By similarity
	Active site	175	1	Proton acceptor By similarity
	Metal binding	246	1	Divalent metal cation By similarity
	Metal binding	247	1	Divalent metal cation By similarity
	Metal binding	270	1	Divalent metal cation By similarity
	Binding site	157	1	NAD By similarity
	Binding site	270	1	NAD By similarity
	Binding site	418	1	NAD By similarity
	Site	270	1	Important for activity By similarity

Sequences

	Sequence		Length	Mass (Da)
	A1AB75 [UniParc]. Last modified March 18, 2008. Version 2. Checksum: FFD2C90CCA028F3A	FASTA	565	63,172
	10 20 30 40 50 60 MEPKTKKQRS LYIPYAGPVL LEFPLLNKGS AFSMEERRNF NLLGLLPEVV ETIEEQAERA 70 80 90 100 110 120 WIQYQGFKTE IDKHIYLRNI QDTNETLFYR LVNNHLDEMM PVIYTPTVGA ACERFSEIYR 130 140 150 160 170 180 RSRGVFISYQ NRHNMDDILQ NVPNHNIKVI VVTDGERILG LGDQGIGGMG IPIGKLSLYT 190 200 210 220 230 240 ACGGISPAYT LPVVLDVGTN NQQLLNDPLY MGWRNPRITD DEYYEFVDEF IQAVKQRWPD 250 260 270 280 290 300 VLLQFEDFAQ KNAMPLLNRY RNEICSFNDD IQGTAAVTVG TLIAASRAAG GQLSEKKIVF 310 320 330 340 350 360 LGAGSAGCGI AEMIIAQTQR EGLSEEAARQ KVFMVDRFGL LTDKMPNLLP FQTKLVQKRE 370 380 390 400 410 420 NLSDWDTDSD VLSLLDVVRN VKPDILIGVS GQTGLFTEEI IREMHKHCPR PIVMPLSNPT 430 440 450 460 470 480 SRVEATPQDI IAWTEGNALV ATGSPFNPVV WKDKIYPIAQ CNNAFIFPGI GLGVIASGAS 490 500 510 520 530 540 RITDEMLMSA SETLAQYSPL VLNGEGLVLP ELKDIQKVSR AIAFAVGKMA QQQGVAVKTS 550 560 AEALQQAIDD NFWHAEYRDY RRTSI

References

[1]

"The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7 shares strong similarities with human extraintestinal pathogenic E. coli genomes." Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J., Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K. J. Bacteriol. 189:3228-3236(2007) [PubMed: 17293413] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000468 Genomic DNA. Translation: ABJ00915.1. Different initiation.
RefSeq	YP_852629.2. NC_008563.1.
3D structure databases
ProteinModelPortal	A1AB75.
SMR	A1AB75. Positions 15-564.
ModBase	Search...
Protein-protein interaction databases
STRING	A1AB75.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBESCT00000038204; EBESCP00000036721; EBESCG00000037254.
GeneID	4494401.
GenomeReviews	Gene locus Ecok1_14210 in contig CP000468_GR.
KEGG	ecv:APECO1_615.
PATRIC	18214646. VBIEscCol127180_1602.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0281.
GeneTree	EBGT00050000008964.
HOGENOM	HBG289821.
ProtClustDB	PRK13529.
Enzyme and pathway databases
BioCyc	ECOL405955:APECO1_615-MONOMER.
Family and domain databases
HAMAP	MF_01619. NAD_malic_enz. [Tree]
InterPro	IPR015884. Malic_enzyme_CS. IPR012301. Malic_N. IPR012302. Malic_NAD-bd. IPR001891. Malic_OxRdtase. IPR016040. NAD(P)-bd_dom. IPR023667. NAD_malic_enz_proteobac. [Graphical view]
Gene3D	G3DSA:3.40.50.10380. G3DSA:3.40.50.10380. 1 hit. G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
KO	K00027.
Pfam	PF00390. malic. 1 hit. PF03949. Malic_M. 1 hit. [Graphical view]
PIRSF	PIRSF000106. ME. 1 hit.
PRINTS	PR00072. MALOXRDTASE.
SMART	SM00919. Malic_M. 1 hit. [Graphical view]
PROSITE	PS00331. MALIC_ENZYMES. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

MAO1_ECOK1

Accession

Primary (citable) accession number: A1AB75

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 18, 2008
Last sequence update:	March 18, 2008
Last modified:	December 14, 2011
This is version 46 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program