3E45
Q138F HincII bound to Noncognate DNA (GTGCAC) and Ca2+
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Type-2 restriction enzyme HindII | polymer | 257 | 29839.1 | 2 | UniProt (P44413) Pfam (PF09226) UniProt (by SIFTS) (P17743) In PDB | Haemophilus influenzae | R.HindII, Type II restriction enzyme HindII, Endonuclease HindII |
| 2 | E, F | 5'-D(*DGP*DCP*DCP*DGP*DGP*DTP*DGP*DCP*DAP*DCP*DCP*DGP*DGP*DC)-3' | polymer | 14 | 4282.8 | 2 | |||
| 3 | A, E | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | A | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 5 | water | water | 18.0 | 363 | Chemie (HOH) |
Sequence modifications
A, B: 2 - 258 (UniProt: P44413)
| PDB | External Database | Details |
|---|---|---|
| Asn 67 | Lys 67 | conflict |
| Phe 138 | Gln 138 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 68243.8 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 103.1 | |
| All* | Total formula weight | 68346.9 |
