13CO
Cryo-EM structure of an intact human acetylcholinesterase (T-form) tetramer in complex with ColQ
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) | Acetylcholinesterase | polymer | 583 | 64641.7 | 4 | UniProt (P22303) Pfam (PF00135) Pfam (PF08674) | Homo sapiens (human) | AChE |
| 2 | E (E) | Small ubiquitin-related modifier,Acetylcholinesterase collagenic tail peptide | polymer | 185 | 21010.8 | 1 | UniProt (Q12306) UniProt (Q9Y215) Pfam (PF00240) | Homo sapiens (human) | SUMO,Suppressor of mif two,Ubiquitin-like protein SMT3,AChE Q subunit,Acetylcholinesterase-associated collagen |
| 3 | F, G, H, I (F, G, H, I) | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 570.5 | 4 | In PDB GlyTouCan (G21290RB) | |||
| 4 | J, K, L, M, N... (A, B, C, D) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 8 | Chemie (NAG) PubChem (24139) |
Sequence modifications
E: -102 - -7 (UniProt: Q12306)
E: 0 - 67 (UniProt: Q9Y215)
| PDB | External Database | Details |
|---|---|---|
| Glu -117 | - | expression tag |
| His -116 | - | expression tag |
| His -115 | - | expression tag |
| His -114 | - | expression tag |
| His -113 | - | expression tag |
| His -112 | - | expression tag |
| His -111 | - | expression tag |
| His -110 | - | expression tag |
| His -109 | - | expression tag |
| His -108 | - | expression tag |
| His -107 | - | expression tag |
| Gly -106 | - | expression tag |
| Ser -105 | - | expression tag |
| Leu -104 | - | expression tag |
| Gln -103 | - | expression tag |
| Thr -41 | Arg 64 | engineered mutation |
| Glu -34 | Arg 71 | engineered mutation |
| Glu -6 | - | linker |
| Asn -5 | - | linker |
| Leu -4 | - | linker |
| Tyr -3 | - | linker |
| Phe -2 | - | linker |
| Gln -1 | - | linker |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 279577.7 | |
| Branched | Number of molecules | 4 |
| Total formula weight | 2282.2 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1769.7 | |
| All* | Total formula weight | 283629.6 |






