TABLE 2.

Nonsynonymous SNPs in the isolates analyzed

Isolatea	Gene	Locus	Product	COGb	Amino acid change
A2	ttrA	STM1383	Tetrathionate reductase complex subunit A	Metabolism	A → T
C2	mukB	STM0994	Cell division protein MukB	Cellular processes and signaling	E → G
C2	nifJ	STM1651	Pyruvate-flavodoxin oxidoreductase	Metabolism	R → C
D2		STM1787	Hydrogenase 1 large subunit	Metabolism	R → C
D2	hisC	STM2073	Histidinol-phosphate aminotransferase	Metabolism	P → L
D3	masA	STM1076	Methylglyoxal synthase	Metabolism	T → I
E2	topB	STM1298	DNA topoisomerase III	Information storage and processing	Q → L
F2-1	malT	STM3515	Transcriptional regulator MalT	Information storage and processing	E → K
G4	rpoS	STM2924	RNA polymerase sigma factor RpoS	Information storage and processing	R → C
H2		STM1618	Transcriptional repressor of sgc operon	Information storage and processing, metabolism	E → K
H2	recG	STM3744	ATP-dependent DNA helicase RecG	Information storage and processing	R → S
H3	btuB	STM4130	Vitamin B12/cobalamin outer membrane transporter	Metabolism	R → H
H3	dcuA	STM4325	Anaerobic C4-dicarboxylate transporter	Poorly characterized	P → S
H3	yjiE	STM4511	DNA-binding transcriptional regulator	Information storage and processing	F → L
I2		STM3833	Mandelate racemase	Cellular processes and signaling, poorly characterized	E → K
I2	yihV	STM4024.S	Sugar kinase	Metabolism	Stop → E
J2		STM3021	Inner membrane protein	Poorly characterized	T → P
J2	rfaK	STM3714	Hexose transferase	Cellular processes and signaling	T → I
K3	flhC	STM1924.S	Transcriptional activator FlhC	Cellular processes and signaling	Q → Stop
K3	yhdG	STM3384	tRNA-dihydrouridine synthase B	Information storage and processing	R → S

^aThe isolate in which the SNP was observed. See Table 1 for isolate details.

^bCOG, cluster of orthologous groups.