1MFU
Probing the role of a mobile loop in human salivary amylase: Structural studies on the loop-deleted mutant
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | alpha-amylase, Salivary | polymer | 491 | 55641.9 | 1 | UniProt (P04745) Pfam (PF00128) Pfam (PF02806) UniProt (by SIFTS) (P0DUB6) | Homo sapiens (human) | |
| 2 | B (B) | 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 325.3 | 1 | In PDB GlyTouCan (G90989WB) | |||
| 3 | C, D, F (C, D, F) | 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 487.5 | 3 | In PDB GlyTouCan (G36346MP) | |||
| 4 | E (E) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 5 | G, H, I, J (A) | 5-HYDROXYMETHYL-CHONDURITOL | non-polymer | 176.2 | 4 | Chemie (HMC) | |||
| 6 | K (A) | alpha-D-glucopyranose | non-polymer | 180.2 | 1 | Chemie (GLC) | |||
| 7 | L (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 8 | M (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 9 | N (A) | water | water | 18.0 | 290 | Chemie (HOH) |
Sequence modifications
A: 2 - 491 (UniProt: P04745)
| PDB | External Database | Details |
|---|---|---|
| Pca 1 | - | insertion |
| - | Gly 321 | deletion |
| - | Ala 322 | deletion |
| - | Gly 323 | deletion |
| - | Gly 324 | deletion |
| - | Ala 325 | deletion |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 55641.9 | |
| Branched | Number of molecules | 5 |
| Total formula weight | 2130.0 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 960.4 | |
| All* | Total formula weight | 58732.3 |
