1FNT
CRYSTAL STRUCTURE OF THE 20S PROTEASOME FROM YEAST IN COMPLEX WITH THE PROTEASOME ACTIVATOR PA26 FROM TRYPANOSOME BRUCEI AT 3.2 ANGSTROMS RESOLUTION
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, O | PROTEASOME COMPONENT C7-ALPHA | polymer | 252 | 28033.8 | 2 | UniProt (P21243) Pfam (PF10584) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
2 | B, P | PROTEASOME COMPONENT Y7 | polymer | 250 | 27191.8 | 2 | UniProt (P23639) Pfam (PF10584) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
3 | C, Q | PROTEASOME COMPONENT Y13 | polymer | 245 | 27181.6 | 2 | UniProt (P23638) Pfam (PF10584) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
4 | D, R | PROTEASOME COMPONENT PRE6 | polymer | 254 | 28478.1 | 2 | UniProt (P40303) Pfam (PF10584) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
5 | E, S | PROTEASOME COMPONENT PUP2 | polymer | 260 | 28649.1 | 2 | UniProt (P32379) Pfam (PF00227) Pfam (PF10584) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
6 | F, T | PROTEASOME COMPONENT PRE5 | polymer | 234 | 25634.0 | 2 | UniProt (P40302) Pfam (PF10584) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
7 | G, U | PROTEASOME COMPONENT C1 | polymer | 287 | 31443.9 | 2 | UniProt (P21242) Pfam (PF10584) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
8 | H, V | PROTEASOME COMPONENT PRE3 | polymer | 196 | 21517.2 | 2 | UniProt (P38624) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
9 | I, W | PROTEASOME COMPONENT PUP1 | polymer | 232 | 25114.5 | 2 | UniProt (P25043) Pfam (PF00227) Pfam (PF12465) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
10 | J, X | PROTEASOME COMPONENT PUP3 | polymer | 205 | 22627.8 | 2 | UniProt (P25451) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
11 | K, Y | PROTEASOME COMPONENT C11 | polymer | 198 | 22545.7 | 2 | UniProt (P22141) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
12 | L, Z | PROTEASOME COMPONENT PRE2 | polymer | 212 | 23353.3 | 2 | UniProt (P30656) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
13 | M, a | PROTEASOME COMPONENT C5 | polymer | 222 | 24883.9 | 2 | UniProt (P23724) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
14 | N, b | PROTEASOME COMPONENT PRE4 | polymer | 233 | 25945.5 | 2 | UniProt (P30657) Pfam (PF00227) In PDB | Saccharomyces cerevisiae (baker's yeast) | |
15 | c, d, e, f, g... | PROTEASOME ACTIVATOR PROTEIN PA26 | polymer | 231 | 25272.8 | 14 | UniProt (Q9U8G2) Pfam (PF02252) In PDB | Trypanosoma brucei | |
16 | X, Z, a, G, H... | MAGNESIUM ION | non-polymer | 24.3 | 14 | Chemie (MG) |
Sequence modifications
L, Z: 1 - 212 (UniProt: P30656)
c, d, e, f, g, h, i, j, k, l, m, n, o, p: 1 - 231 (UniProt: Q9U8G2)
PDB | External Database | Details |
---|---|---|
Arg 33 | Lys 108 | engineered mutation |
PDB | External Database | Details |
---|---|---|
Val 49 | Thr 49 | see remark 999 |
Thr 226 | Ser 226 | see remark 999 |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 42 |
Total formula weight | 1079019.4 | |
Non-Polymers* | Number of molecules | 14 |
Total formula weight | 340.3 | |
All* | Total formula weight | 1079359.7 |