4PIO
Ergothioneine-biosynthetic methyltransferase EgtD in complex with N,N-dimethylhistidine and SAH
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Histidine-specific methyltransferase EgtD | polymer | 323 | 35314.7 | 2 | UniProt (A0R5M8) Pfam (PF10017) | Mycobacterium smegmatis | Histidine-alpha-N-methyltransferase |
| 2 | C, J (A, B) | S-ADENOSYL-L-HOMOCYSTEINE | non-polymer | 384.4 | 2 | Chemie (SAH) PubChem (193) PubChem (13792) PubChem (189149) PubChem (439155) PubChem (5284331) PubChem (71170554) PubChem (13231890) PubChem (16760024) PubChem (25210495) PubChem (44361184) PubChem (177678424) PubChem (46936206) PubChem (21125603) PubChem (25203782) PubChem (52224400) PubChem (50989525) PubChem (51380914) PubChem (52224398) PubChem (6419189) PubChem (57544532) PubChem (59046843) PubChem (59170628) PubChem (164157219) PubChem (59576228) PubChem (66805708) PubChem (70689219) PubChem (70702054) PubChem (70832431) PubChem (118374891) PubChem (118560068) PubChem (126969526) PubChem (129105892) PubChem (143518505) PubChem (154578335) PubChem (163054214) PubChem (163335525) | |||
| 3 | D, K (A, B) | N,N-dimethyl-L-histidine | non-polymer | 183.2 | 2 | Chemie (AVI) | |||
| 4 | E, F, G, H, L... (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 6 | Chemie (MG) PubChem (888) | |||
| 5 | I (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) PubChem (312) | |||
| 6 | N, O (A, B) | water | water | 18.0 | 985 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 321 (UniProt: A0R5M8)
| PDB | External Database | Details |
|---|---|---|
| Gly -1 | - | expression tag |
| His 0 | - | expression tag |
| Ala 2 | Thr 2 | engineered mutation |
| Thr 29 | Ala 29 | engineered mutation |
| Gln 30 | Pro 30 | engineered mutation |
| Ser 75 | Ala 75 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 70629.4 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 1316.5 | |
| All* | Total formula weight | 71945.9 |






