| S.NO | Uniprot ID | Protein Name | Sequence Length | Thioredoxin Region | Active Site | Involvement of Repeats in Active site |
| 1 | P07237 | Protein disulfide-isomerase | 508 | ACT_SITE 53 53 Nucleophile ACT_SITE 56 56 Nucleophile ACT_SITE 397 397 Nucleophile ACT_SITE 400 400 Nucleophile | Y | |
| 2 | Q15084 | Protein disulfide-isomerase A6 | 440 | ACT_SITE 55 55 Nucleophile ACT_SITE 58 58 Nucleophile ACT_SITE 190 190 Nucleophile ACT_SITE 193 193 Nucleophile | Y | |
| 3 | P30101 | Protein disulfide-isomerase A3 | 505 | ACT_SITE 57 57 Nucleophile ACT_SITE 60 60 Nucleophile ACT_SITE 406 406 Nucleophile ACT_SITE 409 409 Nucleophile | Y | |
| 4 | Q13087 | Protein disulfide-isomerase A2 | 525 | ACT_SITE 71 71 Nucleophile ACT_SITE 74 74 Nucleophile ACT_SITE 418 418 Nucleophile ACT_SITE 421 421 Nucleophile | Y | |