1UKP
Crystal structure of soybean beta-amylase mutant substituted at surface region
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-amylase | polymer | 495 | 56033.2 | 4 | UniProt (P10538) Pfam (PF01373) | Glycine max (soybean) | 1,4-alpha-D-glucan maltohydrolase |
| 2 | E, F, G, H, I... (A, B, C, D) | SULFATE ION | non-polymer | 96.1 | 20 | Chemie (SO4) | |||
| 3 | AA, BA, Y, Z (C, D, A, B) | water | water | 18.0 | 1005 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 495 (UniProt: P10538)
| PDB | External Database | Details |
|---|---|---|
| Leu 76 | Phe 76 | SEE REMARK 999 |
| Gly 202 | Arg 202 | SEE REMARK 999 |
| Tyr 374 | Asp 374 | engineered mutation |
| Arg 399 | Lys 399 | SEE REMARK 999 |
| Ser 462 | Lys 462 | engineered mutation |
| Arg 481 | Leu 481 | engineered mutation |
| Asp 487 | Pro 487 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 224132.7 | |
| Non-Polymers* | Number of molecules | 20 |
| Total formula weight | 1921.3 | |
| All* | Total formula weight | 226053.9 |
