| Class c: Alpha and beta proteins (a/b) [51349] (148 folds) |
| Fold c.116: alpha/beta knot [75216] (1 superfamily) core: 3 layers: a/b/a, parallel beta-sheet of 5 strands, order 21435; contains a deep trefoil knot |
Superfamily c.116.1: alpha/beta knot [75217] (9 families) ![]() known or predicted SAM-dependent methytransferases including the SPOUT 'sequence' superfamily all known members have dimeric structures |
| Family c.116.1.4: tRNA(m1G37)-methyltransferase TrmD [89629] (2 proteins) fold and dimerisation mode are similar to those of the YbeA-like family; contains additional C-terminal all-alpha subdomain |
| Protein tRNA(m1G37)-methyltransferase TrmD [89630] (3 species) |
| Aquifex aeolicus [TaxId:63363] [102278] (1 PDB entry) |
| Domain d1oy5a_: 1oy5 A: [93718] a TrmD topoisomer that lacks the knot; misfolded inactive structure? |
| Domain d1oy5b_: 1oy5 B: [93719] a TrmD topoisomer that lacks the knot; misfolded inactive structure? |
| Domain d1oy5c_: 1oy5 C: [93720] a TrmD topoisomer that lacks the knot; misfolded inactive structure? |
| Escherichia coli [TaxId:562] [110499] (1 PDB entry) Uniprot P07020 |
| Domain d1p9pa_: 1p9p A: [104092] complexed with sah |
| Haemophilus influenzae [TaxId:727] [89631] (4 PDB entries) |
| Domain d1uaja_: 1uaj A: [88381] |
| Domain d1uaka_: 1uak A: [88382] complexed with sam |
| Domain d1uala_: 1ual A: [88383] complexed with sah |
| Domain d1uama_: 1uam A: [88384] complexed with po4, sah |
Timeline for Protein tRNA(m1G37)-methyltransferase TrmD from c.116.1.4: tRNA(m1G37)-methyltransferase TrmD: