| Q83V96 | DB14546 | 4ebj | SO4 | A | 305 | e4ebjA2 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | Ant-IIb_sub-bd |
| Q83V96 | DB14546 | 4ebj | SO4 | B | 311 | e4ebjA1 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| Q83V96 | DB14546 | 4ebj | SO4 | B | 311 | e4ebjA2 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | Ant-IIb_sub-bd |
| Q83V96 | DB14546 | 4ebj | SO4 | B | 311 | e4ebjB1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | Ant-IIb_sub-bd |
| Q83V96 | DB14546 | 4ebj | SO4 | B | 311 | e4ebjB2 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |