3AIC
Crystal Structure of Glucansucrase from Streptococcus mutans
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, E... (A, B, C, D, E...) | Glucosyltransferase-SI | polymer | 844 | 94455.3 | 8 | UniProt (P13470) Pfam (PF02324) | Streptococcus mutans | GTF-SI, Dextransucrase, Sucrose 6-glucosyltransferase |
| 2 | I, J, K, L, M... (I, J, K, L, M...) | 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 645.6 | 8 | In PDB BIRD (PRD_900007) GlyTouCan (G66431MI) | alpha-acarbose | ||
| 3 | AA, CA, EA, Q, S... (F, G, H, A, B...) | CALCIUM ION | non-polymer | 40.1 | 8 | Chemie (CA) | |||
| 4 | BA, DA, FA, R, T... (F, G, H, A, B...) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 8 | Chemie (MES) | |||
| 5 | GA, HA, IA, JA, KA... (A, B, C, D, E...) | water | water | 18.0 | 246 | Chemie (HOH) |
Sequence modifications
A, B, C, D, E, F, G, H: 244 - 1087 (UniProt: P13470)
| PDB | External Database | Details |
|---|---|---|
| Asp 597 | Asn 597 | SEE REMARK 999 |
| Lys 600 | Arg 600 | SEE REMARK 999 |
| Ile 727 | Thr 727 | SEE REMARK 999 |
| Val 734 | Ala 734 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 755642.4 | |
| Branched | Number of molecules | 8 |
| Total formula weight | 5164.8 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 1882.5 | |
| All* | Total formula weight | 762689.7 |
