3H9V
Crystal structure of the ATP-gated P2X4 ion channel in the closed, apo state at 3.1 Angstroms
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | P2X purinoceptor | polymer | 356 | 40297.0 | 1 | UniProt (Q6NYR1) Pfam (PF00864) UniProt (by SIFTS) (F8W463) In PDB | Danio rerio (leopard danio zebra danio zebra fish) | |
2 | B, C | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 424.4 | 2 | In PDB GlyTouCan (G42666HT) | |||
3 | A | GADOLINIUM ATOM | non-polymer | 157.3 | 2 | Chemie (GD) |
Sequence modifications
A: 28 - 381 (UniProt: Q6NYR1)
PDB | External Database | Details |
---|---|---|
Gly 26 | - | expression tag |
Ser 27 | - | expression tag |
Phe 51 | Cys 51 | engineered mutation |
Lys 78 | Asn 78 | engineered mutation |
Arg 187 | Asn 187 | engineered mutation |
Arg 252 | His 252 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 40297.0 | |
Branched | Number of molecules | 2 |
Total formula weight | 848.8 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 314.5 | |
All* | Total formula weight | 41460.3 |