5A1A
2.2 A resolution cryo-EM structure of beta-galactosidase in complex with a cell-permeant inhibitor
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) | BETA-GALACTOSIDASE | polymer | 1022 | 116370.2 | 4 | UniProt (P00722) Pfam (PF02837) Pfam (PF00703) Pfam (PF02836) Pfam (PF16353) Pfam (PF02929) | ESCHERICHIA COLI K-12 | BETA-GAL, LACTASE |
| 2 | E, J, O, T (A, B, C, D) | 2-phenylethyl 1-thio-beta-D-galactopyranoside | non-polymer | 300.4 | 4 | Chemie (PTQ) PubChem (22842023) PubChem (34365250) PubChem (53317576) PubChem (3704514) PubChem (2733797) PubChem (3034479) PubChem (92139505) PubChem (92259087) PubChem (92259088) PubChem (92259089) PubChem (15043173) PubChem (102515495) PubChem (123134570) PubChem (124546010) PubChem (125463219) PubChem (172641326) | |||
| 3 | F, G, K, L, P... (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 8 | Chemie (MG) PubChem (888) | |||
| 4 | H, I, M, N, R... (A, B, C, D) | SODIUM ION | non-polymer | 23.0 | 8 | Chemie (NA) PubChem (923) | |||
| 5 | AA, BA, Y, Z (C, D, A, B) | water | water | 18.0 | 776 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 465480.8 | |
| Non-Polymers* | Number of molecules | 20 |
| Total formula weight | 1579.8 | |
| All* | Total formula weight | 467060.6 |
