4J3U
Crystal structure of barley limit dextrinase in complex with maltosyl-S-betacyclodextrin
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Limit dextrinase | polymer | 905 | 99746.7 | 2 | UniProt (Q9FYY0) Pfam (PF17967) Pfam (PF02922) Pfam (PF11852) In PDB | Hordeum vulgare (barley) | |
2 | C, D | Cyclic alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-[alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-1)]6-thio-alpha-D-glucopyranose | branched | 1493.3 | 2 | In PDB GlyTouCan (G65588TB) | |||
3 | B, A | IODIDE ION | non-polymer | 126.9 | 32 | Chemie (IOD) | |||
4 | B, A | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
5 | A, B | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
6 | water | water | 18.0 | 1612 | Chemie (HOH) |
Sequence modifications
A, B: 2 - 885 (UniProt: Q9FYY0)
PDB | External Database | Details |
---|---|---|
Met -19 | - | expression tag |
Gly -18 | - | expression tag |
Ser -17 | - | expression tag |
Ser -16 | - | expression tag |
His -15 | - | expression tag |
His -14 | - | expression tag |
His -13 | - | expression tag |
His -12 | - | expression tag |
His -11 | - | expression tag |
His -10 | - | expression tag |
Ser -9 | - | expression tag |
Ser -8 | - | expression tag |
Gly -7 | - | expression tag |
Leu -6 | - | expression tag |
Val -5 | - | expression tag |
Pro -4 | - | expression tag |
Arg -3 | - | expression tag |
Gly -2 | - | expression tag |
Ser -1 | - | expression tag |
His 0 | - | expression tag |
Met 1 | - | expression tag |
Arg 82 | Lys 102 | SEE REMARK 999 |
Ala 213 | Thr 233 | SEE REMARK 999 |
Arg 395 | Cys 415 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 199493.5 | |
Branched | Number of molecules | 2 |
Total formula weight | 2986.7 | |
Non-Polymers* | Number of molecules | 38 |
Total formula weight | 4292.1 | |
All* | Total formula weight | 206772.3 |