Table 5.

C. crescentus genes identified for Direct Repair pathway

Genes in E. coli (protein size)	Description	Orthologs in C. crescentus	Similarity with E. coli a
ada (354 aa)	O6-methylguanine-DNA methyltransferase; transcription activator/repressor enzyme	1-CC0709 (with internal deletion);	absent
		2-CC3729	139/295 (47%)
alkB (216 aa)	AlkB protein, 1-methyladenine and 3-methylcytosine repair protein	CC0009	107/186 (57%)
phr (472 aa)	Photolyase	1-CC1428	260/474 (54%)
	Photolyase-like	2-CC0646	absent
ogt (171 aa)	O-6-alkylguanine-DNA/cysteine-protein methyltransferase	1-CC0689;	95/166 (57%)
		2-CC0659	53/106 (50%)

a. numbers indicate similarity within local alignment in aminoacids (aa).