| [A] Archaeoglobus fulgidus | ARCFU00043 | O30192 | First mannosyl transferase |
| [A] Methanoculleus marisnigri (strain ATCC 35101 / DSM 1498 / JR1) | METMJ00183 | A3CRW8 | Glycosyl transferase, group 1 |
| [A] Methanospirillum hungatei (strain JF-1 / DSM 864) | METHJ02927 | Q2FRR9 | glycosyl transferase, group 1 |
| [A] Methanosaeta thermophila (strain DSM 6194 / PT) | METTP01036 | A0B824 | glycosyl transferase, group 1 PFAM: glycosyl transferase, group 1 KEGG: mac:MA1175 mannosyltransferase |
| [A] Methanosarcina acetivorans | METAC01125 | Q8TRK0 | Mannosyltransferase |
| [A] Methanosarcina barkeri (strain Fusaro / DSM 804) | METBF00354 | Q46FI9 | mannosyltransferase |
| [A] Uncultured methanogenic archaeon RC-I | UNCMA02467 | Q0W7E4 | glycosyltransferase (group 1) |
| [B] Acaryochloris marina (strain MBIC 11017) | ACAM101778 | B0CEG3 | Glycosyl transferase, group 1 |
| [B] Anabaena variabilis (strain ATCC 29413 / PCC 7937) | ANAVT01101 | Q3ME47 | Glycosyl transferase, group 1 |
| [B] Anabaena sp. (strain PCC 7120) | ANASP02800 | Q8YT92 | Alr2832 protein |
| [B] Nostoc punctiforme (strain ATCC 29133 / PCC 73102) | NOSP700977 | B2IVC1 | Glycosyl transferase, group 1 |
| [B] Nitrosococcus oceani (strain ATCC 19707 / NCIMB 11848) | NITOC00696 | Q3JD33 | Glycosyl transferase, group 1 |