2A9H
NMR structural studies of a potassium channel / charybdotoxin complex
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 | Voltage-gated potassium channel | polymer | 155 | 16717.5 | 4 | UniProt (P0A334) Pfam (PF07885) In PDB | Streptomyces lividans | |
2 | E | charybdotoxin | polymer | 37 | 4310.0 | 1 | Pfam (PF00451) UniProt (by SIFTS) (P13487) In PDB |
Sequence modifications
A, B, C, D: 1 - 132 (UniProt: P0A334)
PDB | External Database | Details |
---|---|---|
Met -22 | - | cloning artifact |
Ser -21 | - | cloning artifact |
Gly -20 | - | cloning artifact |
Ser -19 | - | cloning artifact |
His -18 | - | expression tag |
His -17 | - | expression tag |
His -16 | - | expression tag |
His -15 | - | expression tag |
His -14 | - | expression tag |
His -13 | - | expression tag |
Ser -12 | - | cloning artifact |
Ser -11 | - | cloning artifact |
Gly -10 | - | cloning artifact |
Ile -9 | - | cloning artifact |
Glu -8 | - | cloning artifact |
Gly -7 | - | cloning artifact |
Arg -6 | - | cloning artifact |
Gly -5 | - | cloning artifact |
Arg -4 | - | cloning artifact |
Leu -3 | - | cloning artifact |
Ile -2 | - | cloning artifact |
Lys -1 | - | cloning artifact |
His 0 | - | cloning artifact |
Ala 58 | Gln 58 | engineered mutation |
Ser 61 | Thr 61 | engineered mutation |
Asp 64 | Arg 64 | engineered mutation |
Cys 90 | Leu 90 | engineered mutation |
Tyr 103 | Phe 103 | engineered mutation |
Phe 107 | Thr 107 | engineered mutation |
Val 110 | Leu 110 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 5 |
Total formula weight | 71179.9 | |
All* | Total formula weight | 71179.9 |