| [A] Methanobrevibacter smithii (strain PS / ATCC 35061 / DSM 861) | METS300337 | A5UK17 | Thioredoxin reductase (NADPH), TrxB |
| [B] Bacillus anthracis | BACAN04981 | B0ANW7 | identified by match to TIGR protein family HMM TIGR01813 thioredoxin reductase |
| [B] Bacillus cereus (strain AH187) | BACC705051 | B7HWY4 | Thioredoxin reductase |
| [B] Bacillus cereus (strain ATCC 10987) | BACC105218 | Q72XW1 | identified by match to protein family HMM PF00070; match to protein family HMM TIGR01292 thioredoxin reductase |
| [B] Bacillus cereus (strain ATCC 14579 / DSM 31) | BACCR04899 | Q815J1 | Thioredoxin reductase |
| [B] Bacillus cereus (strain G9842) | BACC205124 | B7IPS2 | Thioredoxin reductase |
| [B] Bacillus cereus (strain ZK) | BACCZ04803 | Q631J5 | thioredoxin-disulfide reductase (thioredoxin reductase (NADPH)) |
| [B] Bacillus clausii (strain KSM-K16) | BACSK03025 | Q5WDI8 | thioredoxin reductase |
| [B] Bacillus thuringiensis (strain Al Hakam) | BACAH04410 | A0RKU5 | thioredoxin-disulfide reductase |
| [B] Bacillus thuringiensis (subsp. konkukian) | BACHK04752 | Q6HBD1 | Structural feature(s) predicted by Psort:Cleavable N-term signal seq: 4884271 - 4884222 thioredoxin-disulfide reductase (thioredoxin reductase (NADPH)) |
| [B] Bacillus weihenstephanensis (strain KBAB4) | BACWK04830 | A9VQ72 | Thioredoxin reductase |
| [B] Macrococcus caseolyticus (strain JCSC5402) | MACCJ00515 | B9EAG1 | Thioredoxin reductase |
| [B] Brevibacillus brevis (strain 47 / JCM 6285 / NBRC 100599) | BREBN05201 | C0Z6P1 | Probable thioredoxin reductase |
| [B] Alkaliphilus oremlandii (strain OhILAs) | ALKOO00928 | A8MFW3 | Thioredoxin reductase |
| [B] Clostridium botulinum (strain ATCC 19397 / Type A) | CLOB101205 | A7FTD8 | Thioredoxin-disulfide reductase |
| [B] Clostridium botulinum (strain Hall / ATCC 3502 / NCTC 13319 / Type A) | CLOBH01256 | A5I198 | Thioredoxin reductase |
| [B] Clostridium botulinum (strain Langeland / NCTC 10281 / Type F) | CLOBL01240 | A7GCU9 | Thioredoxin-disulfide reductase |
| [B] Clostridium botulinum (strain Loch Maree / Type A3) | CLOBM01311 | B1KZX4 | Thioredoxin-disulfide reductase |
| [B] Clostridium botulinum (strain Okra / Type B1) | CLOBK01257 | B1IJE1 | Thioredoxin-disulfide reductase |
| [B] Clostridium difficile (strain 630) | CLOD602384 | Q185M7 | thioredoxin reductase |
| [B] Finegoldia magna (strain ATCC 29328) | FINM200437 | B0S0V5 | Thioredoxin reductase |
| [B] Moorella thermoacetica (strain ATCC 39073) | MOOTA02347 | Q2RFT7 | thioredoxin reductase |
| [B] Lactobacillus brevis (strain ATCC 367 / JCM 1170) | LACBA00605 | Q03SN2 | Thioredoxin reductase |
| [B] Lactobacillus casei (strain ATCC 334) | LACC300844 | Q03AM5 | Thioredoxin reductase |
| [B] Lactobacillus casei (strain BL23) | LACCB00988 | B3WCP7 | Thioredoxin reductase |
| [B] Lactobacillus plantarum | LACPL00651 | C2FMS8 | thioredoxin reductase (NADPH) |
| [B] Lactococcus lactis subsp. cremoris (strain MG1363) | LACLM01500 | A2RLJ5 | TrxB1 protein |
| [B] Lactococcus lactis subsp. cremoris (strain SK11) | LACLS00883 | Q02ZS1 | Thioredoxin reductase |
| [B] Streptococcus suis (strain 05ZYH33) | STRSY01721 | A4VX64 | Hypothetical protein |
| [B] Streptococcus suis (strain 98HAH33) | STRS201734 | A4W3G6 | Hypothetical protein |
| [B] Syntrophus aciditrophicus (strain SB) | SYNAS00242 | Q2LQ43 | thioredoxin reductase |
| [B] Campylobacter jejuni | CAMJE00136 | A3YKL8 | Thioredoxin reductase |
| [B] Sulfurovum sp. (strain NBC37-1) | SULNB00234 | A6Q6T5 | Thioredoxin reductase |
| [B] Photobacterium profundum | PHOPR04730 | Q6LH17 | Hypothetical thioredoxin reductase |
| [B] Treponema denticola | TREDE00737 | Q73PQ4 | identified by match to protein family HMM PF00070; match to protein family HMM TIGR01292 thioredoxin reductase |
| [B] Treponema pallidum | TREPA00808 | TRXB_TREPA | similar to GB:AL009126 percent identity: 46.10; identified by sequence similarity; putative thioredoxin reductase (trxB) |
| [B] Treponema pallidum subsp. pallidum (strain SS14) | TREPS00802 | B2S452 | Thioredoxin reductase |
| [B] Acholeplasma laidlawii (strain PG-8A) | ACHLI01291 | A9NHV5 | Thioredoxin reductase |
| [B] Thermotoga lettingae (strain ATCC BAA-301 / DSM 14385 / TMO) | THELT01586 | A8F7M5 | Thioredoxin reductase |