| O28126 | DB02431 | 1r89 | CTP | A | 502 | e1r89A2 | Alpha-beta plaits | PAP/Archaeal CCA-adding enzyme, C-terminal domain | PAP/Archaeal CCA-adding enzyme, C-terminal domain | CAA_C |
| O28126 | DB02431 | 1tfy | CTP | A | 501 | e1tfyA1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 1tfy | CTP | A | 501 | e1tfyA3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 1tfy | CTP | B | 502 | e1tfyB1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 1tfy | CTP | B | 502 | e1tfyB3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 1tfy | CTP | C | 503 | e1tfyC1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 1tfy | CTP | C | 503 | e1tfyC3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 1tfy | CTP | D | 504 | e1tfyD1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 1tfy | CTP | D | 504 | e1tfyD3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 1ueu | CTP | A | 501 | e1ueuA1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 1ueu | CTP | A | 501 | e1ueuA3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 2dr8 | CTP | A | 501 | e2dr8A1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 2dr8 | CTP | A | 501 | e2dr8A3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 2dvi | CTP | A | 504 | e2dviA1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 2dvi | CTP | A | 504 | e2dviA3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 2zha | CTP | A | 501 | e2zhaA1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 2zha | CTP | A | 501 | e2zhaA3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 3ovs | CTP | A | 501 | e3ovsA1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 3ovs | CTP | A | 501 | e3ovsA3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 3ovs | CTP | B | 502 | e3ovsB1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 3ovs | CTP | B | 502 | e3ovsB3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 4x4o | CTP | A | 501 | e4x4oA1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 4x4o | CTP | A | 501 | e4x4oA2 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 4x4o | CTP | C | 501 | e4x4oC1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 4x4o | CTP | C | 501 | e4x4oC3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 4x4o | CTP | D | 101 | e4x4oC3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 4x4q | CTP | A | 503 | e4x4qA1 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 4x4q | CTP | A | 503 | e4x4qA3 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 4x4q | CTP | C | 501 | e4x4qC2 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 4x4q | CTP | C | 501 | e4x4qC3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 4x4s | CTP | A | 501 | e4x4sA1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 4x4s | CTP | A | 501 | e4x4sA2 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |
| O28126 | DB02431 | 4x4s | CTP | C | 501 | e4x4sC1 | HhH/H2TH | SAM/DNA-glycosylase | PAP/OAS1 substrate-binding domain | tRNA_NucTransf2 |
| O28126 | DB02431 | 4x4s | CTP | C | 501 | e4x4sC3 | Nucleotidyltransferase-like | Nucleotidyltransferase | Nucleotidyltransferase | NTP_transf_2 |