Proteomic analysis of enterotoxigenic Escherichia coli (ETEC) in neutral and alkaline conditions

BMC Microbiology

Table 7 Proteins involved in amino acid catabolism and transport

Protein	Description	1D-LC	2D-LC	Regulation	Run	Matching
AlaS	Alanine--tRNA ligase	0.65		DOWN	2-3	H10407
AnsB	L-asparaginase II	0.20		DOWN	2-3	Top
AroK	Shikimate kinase 1		1.70	UP	2-3	Both
AsnA	Aspartate--ammonia ligase	0.54		DOWN	2-3	Both
AsnS	Asparagine--tRNA ligase	0.63	0.63	DOWN	2-3/All	Both
AspA	Aspartate ammonia-lyase	0.52	0.50	DOWN	All/1-3	Both
AspS	Aspartate--tRNA ligase	1.56	2.28	UP	All	Both
CarA	Carbamoyl-phosphate synthase small chain		2.53	UP	1-2	Both
CarB	Carbamoyl-phosphate synthase large chain	3.00	4.01	UP	2-3/All	Both
CysI	Sulfite reductase hemoprotein beta-component		0.47	DOWN	1-3	Both
GabT	4-aminobutyrate aminotransferase	0.39		DOWN	2-3	Both
IleS	Isoleucine--tRNA ligase	0.52	0.62	DOWN	2-3/All	Both
IlvC	Ketol-acid reductoisomerase	1.79		UP	1-2	Top
Klb	2-amino-3-ketobutyrate coenzyme A ligase	0.51		DOWN	1-2	Both
LeuS	Leucine--tRNA ligase		0.46	DOWN	2-3	Both
LysS	Lysine--tRNA ligase	0.44	0.40	DOWN	All	Both
LysU	Lysine--tRNA ligase	0.47	0.38	DOWN	All	Both
MetG	Methionine--tRNA ligase	0.71		DOWN	1-3	Top
MetK	S-adenosylmethionine synthase	0.57	0.36	DOWN	All	Both
PheS	Phenylalanine--tRNA ligase alpha subunit		1.50	UP	1-2	Both
ProP	Metabolite/H+ symporter, major facilitator superfamily	0.40	0.38	DOWN	1-2	Both
ProQ	ProP effector		1.87	UP		Both
ProV	Glycine betaine transporter ATP-binding subunit	0.55	0.63	DOWN	2-3	Both
PutA	Delta-1-pyrroline-5-carboxylate dehydrogenase		1.61	UP	1-3	Both
SerS	Serine--tRNA ligase	0.50	0.45	DOWN	All/2-3	Both
Tdh	L-threonine 3-dehydrogenase		0.57	DOWN	2-3	Both
TnaA	Tryptophanase	0.34		DOWN	1-2	Both
TyrS	Tyrosine--tRNA ligase	0.54	0.60	DOWN	1-2	Both
ValS	Valine--tRNA ligase		0.66	DOWN	1-3	Top

ISSN: 1471-2180