| D | | e6ndxD1 | A: beta barrels | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: | ECOD (v294.2) |
| C | | e6ndxC1 | A: beta barrels | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: | ECOD (v294.2) |
| B [auth A] | | e6ndxA1 | A: beta barrels | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: | ECOD (v294.2) |
| A [auth B] | Oxidored_nitro,DUF3364 | e6ndxB1 | A: beta barrels | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Oxidored_nitro,DUF3364 | ECOD (v294.2) |