| [B] Bacillus amyloliquefaciens (strain FZB42) | BACA200036 | Y044_BACA2 | YazA |
| [B] Bacillus anthracis | BACAN00030 | Y032_BACAN | similar to SP:P24178, GB:X57403, PID:41233, GB:U00096, PID:1788815, SP:P24178, GB:X57403, PID:41233, GB:U00096, and PID:1788815; identified by sequence similarity; putative conserved hypothetical protein |
| [B] Bacillus cereus (strain AH187) | BACC700030 | B7HPU6 | Putative uncharacterized protein |
| [B] Bacillus cereus (strain ATCC 10987) | BACC100033 | Y033_BACC1 | identified by match to protein family HMM PF01541 conserved hypothetical protein |
| [B] Bacillus cereus (strain G9842) | BACC200030 | B7ISU5 | Putative uncharacterized protein |
| [B] Bacillus cereus (strain ZK) | BACCZ00029 | Y031_BACCZ | excinuclease ABC, C subunit |
| [B] Bacillus cereus subsp. cytotoxis (strain NVH 391-98) | BACCN00029 | A7GJU7 | Excinuclease ABC C subunit domain protein |
| [B] Bacillus licheniformis (strain DSM 13 / ATCC 14580) | BACLD00039 | Y536_BACLD | conserved protein; Molecular Function: nuclease activity (GO:0004518), Cellular Component: intracellular (GO:0005622), Biological Process: DNA repair (GO:0006281) putative Excinuclease ABC, C subunit, N-terminal YazA |
| [B] Bacillus subtilis | BACSU00035 | YAZA_BACSU | Hypothetical UPF0213 protein yazA |
| [B] Bacillus thuringiensis (strain Al Hakam) | BACAH00029 | A0R8A8 | conserved hypothetical protein endo/excinuclease amino terminal domain |
| [B] Bacillus thuringiensis (subsp. konkukian) | BACHK00029 | Y031_BACHK | conserved hypothetical protein |
| [B] Bacillus weihenstephanensis (strain KBAB4) | BACWK00030 | A9VN48 | Excinuclease ABC C subunit domain protein |
| [B] Alkaliphilus oremlandii (strain OhILAs) | ALKOO00274 | A8ML29 | Excinuclease ABC C subunit domain protein |
| [B] Desulfotomaculum reducens (strain MI-1) | DESRM01370 | A4J4G2 | Excinuclease ABC, C subunit domain protein |
| [B] Leuconostoc citreum (strain KM20) | LEUCK00983 | B1MZ66 | Predicted endonuclease containing a URI domain |
| [B] Lactococcus lactis subsp. cremoris (strain MG1363) | LACLM01907 | Y2010_LACLM | Hypothetical protein |
| [B] Lactococcus lactis subsp. cremoris (strain SK11) | LACLS01794 | Y2011_LACLS | Predicted endonuclease, URI domain |
| [B] Lactococcus lactis subsp. lactis | LACLA01784 | YSIG_LACLA | UPF0213 protein ysiG |
| [B] Streptococcus pneumoniae | STRPN01413 | Y1535_STRPN | identified by Glimmer2; putative conserved hypothetical protein |
| [B] Streptococcus pneumoniae (strain ATCC BAA-255 / R6) | STRR601382 | Y1390_STRR6 | Conserved hypothetical protein |
| [B] Streptococcus pneumoniae (strain CGSP14) | STRPS01505 | B2IR54 | Putative uncharacterized protein |
| [B] Streptococcus pneumoniae (strain Hungary19A-6) | STRPI01502 | B1ICV5 | Putative uncharacterized protein |
| [B] Streptococcus pneumoniae (strain JJA) | STRZJ01358 | C1CFB6 | Putative uncharacterized protein |
| [B] Streptococcus pneumoniae (strain P1031) | STRZP01419 | C1CLN4 | Putative uncharacterized protein |
| [B] Streptococcus pneumoniae serotype 2 (strain D39 / NCTC 7466) | STRP201288 | Y1364_STRP2 | conserved hypothetical protein equivalent gene in S.pneumoniae TIGR4 = SP1535; equivalent gene in S.pneumoniae R6 = spr1390; identified by match to protein family HMM PF01541 |
| [B] Xanthomonas campestris pv. campestris | XANCP02988 | Y3072_XANCP | UPF0213 protein XCC3072 |
| [B] Xanthomonas campestris pv. campestris (strain 8004) | XANC801038 | Y1086_XANC8 | conserved hypothetical protein |
| [B] Xanthomonas campestris pv. campestris (strain B100) | XANCB01119 | B0RPT4 | Putative endonuclease |