4NDN
Structural insights of MAT enzymes: MATa2b complexed with SAM and PPNP
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | S-adenosylmethionine synthase isoform type-2 | polymer | 395 | 43720.6 | 4 | UniProt (P31153) Pfam (PF00438) Pfam (PF02772) Pfam (PF02773) | Homo sapiens (human) | AdoMet synthase 2, Methionine adenosyltransferase 2, MAT 2, Methionine adenosyltransferase II, MAT-II |
| 2 | E, F (E, F) | Methionine adenosyltransferase 2 subunit beta | polymer | 323 | 36449.3 | 2 | UniProt (Q9NZL9) Pfam (PF04321) | Homo sapiens (human) | Methionine adenosyltransferase II beta, MAT II beta, Putative dTDP-4-keto-6-deoxy-D-glucose 4-reductase |
| 3 | G, H, S, X (A, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 4 | AA, BA, CA, DA, EA... (D, E, A, B, C) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 17 | Chemie (EDO) | |||
| 5 | L, V (A, C) | (DIPHOSPHONO)AMINOPHOSPHONIC ACID | non-polymer | 257.0 | 2 | Chemie (PPK) | |||
| 6 | M, W (A, C) | S-ADENOSYLMETHIONINE | non-polymer | 398.4 | 2 | Chemie (SAM) | |||
| 7 | FA, GA, HA, IA, JA... (A, B, C, D, E...) | water | water | 18.0 | 498 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 247781.2 | |
| Non-Polymers* | Number of molecules | 25 |
| Total formula weight | 2463.2 | |
| All* | Total formula weight | 250244.4 |






