5JON
Crystal structure of the unliganded form of HCN2 CNBD
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Maltose-binding periplasmic protein,Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 2 | polymer | 517 | 57414.3 | 2 | UniProt (P0AEY0) UniProt (O88703) Pfam (PF01547) Pfam (PF00027) | Escherichia coli O157:H7 | MBP,MMBP,Maltodextrin-binding protein,Brain cyclic nucleotide-gated channel 2,BCNG-2,Hyperpolarization-activated cation channel 1,HAC-1 |
| 2 | C, D (C, D) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 2 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 3 | E, F, G (A, B) | NITRATE ION | non-polymer | 62.0 | 3 | Chemie (NO3) | |||
| 4 | H, I (A, B) | water | water | 18.0 | 369 | Chemie (HOH) |
Sequence modifications
A, B: -368 - -3 (UniProt: P0AEY0)
A, B: 494 - 640 (UniProt: O88703)
| PDB | External Database | Details |
|---|---|---|
| Gly -369 | - | expression tag |
| Asn -2 | - | linker |
| Ala -1 | - | linker |
| Ala 0 | - | linker |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 114828.6 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 684.6 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 186.0 | |
| All* | Total formula weight | 115699.2 |
