TABLE 1.

Proteins of mutants under positive selection displaying increased survival when exposed to a lethal concentration of ampicillin

Locus	Protein	Gene	Mean SIa
c0147	Aconitate hydratase 2	acnB	87.405
c0608	Hypothetical protein		5.706
c0751	N-Acetylglucosamine repressor	nagC	6.602
c0764	Putative pyridoxine phosphate biosynthetic protein		5.446
c0861	Hypothetical protein YbhK	ybhK	11.288
c0909	Putative pyruvate formate-lyase 3-activating enzyme		11.155
c0943	Hypothetical protein		7.865
c1174	Hypothetical protein		2.832
c1176	Hypothetical protein		10.699
c1179			9.273
c1254	Putative glucosyltransferase	iroB	8.533
c1303	Hypothetical protein		16.152
c1560	Outer membrane porin protein NmpC precursor	nmpC	12.465
c1572	Putative capsid assembly protein of prophage		8.870
c1610	Conserved hypothetical protein		2.817
c1822	Outer membrane protein N precursor	ompN	7.103
c1884	Hypothetical protein		6.538
c1888	Conserved hypothetical protein		5.430
c1925	Hypothetical ABC transporter ATP-binding protein YddA	yddA	3.138
c1927	Putative sulfatase YdeN precursor	ydeN	4.039
c1945	Hypothetical protein YneF	yneF	3.146
c1956	Putative outer membrane protein YieC precursor		4.482
c2004	Fumarate hydratase class I, aerobic	fumA	3.121
c2034	Transcriptional regulator SlyA	slyA	15.285
c2144	Succinylglutamate desuccinylase	ydjS	3.865
c2199	Hypothetical protein YeaP	yeaP	8.016
c2232	Hypothetical protein YobF	yobF	62.546
c2377	Hypothetical protein YedI	yedI	7.341
c2385	Protein YedU	yedU	3.832
c2465	Hypothetical protein		12.476
c2471	Hypothetical protein		16.751
c2475	Hypothetical protein		55.491
c2615	Hypothetical protein		3.164
c2677	SanA protein	sanA	3.147
c2702	PTSb system, fructose-specific IIBC component	fruA	6.573
c2841	Hypothetical protein YfcC	yfcC	2.660
c3028	Exodeoxyribonuclease VII large subunit	xseA	4.108
c3174	Prophage QSR′ DNA packaging protein NU1 homolog	nohB	5.787
c3255	Membrane-bound lytic murein transglycosylase B precursor	mltB	6.485
c3721	Hypothetical ATP-binding protein YghR	yghR	5.162
c3888	PTS system, N-acetylgalactosamine-specific IIB component 2	agaV	5.440
c4475	Guanosine-3′,5′-bis(diphosphate) 3′-pyrophosphohydrolase	spoT	7.415
c4704	Undecaprenyl-phosphate alpha-N-acetylglucosaminyltransferase	rfe	3.950
c4725	Adenylate cyclase	cyaA	76.484
c4804	Thiol:disulfide interchange protein DsbA precursor	dsbA	437.265
c4923	Soluble pyridine nucleotide transhydrogenase	udhA	52.361
c5177	Hypothetical protein in ISc		2.712
c5207	Hypothetical protein		37.124
c5320	Hypothetical protein YtfP	ytfP	2.534
c5329	Fructose-1,6-bisphosphatase	fbp	6.908

^aSI, survival index.

^bPTS, phosphotransferase system.

^cIS, insertion element.