Crystal Structure of the Protein-Kinase A catalytic subunit from Cricetulus griseus in complex with F186. Determined by X-ray diffraction at 1.2 Å resolution. Released 31 Dec 2025.
Explore 9REC in 3D Show helices and sheets RCSB PDB PDBe
9REC contains 18 α-helices and 13 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 13-31 | 19 | |
| α-helix | 40-42 | 3 | |
| β-strand | 43-51 | 9 | 1 |
| β-strand | 55-62 | 8 | 1 |
| β-strand | 68-75 | 8 | 1 |
| α-helix | 76-81 | 6 | |
| α-helix | 85-95 | 11 | |
| β-strand | 103 | 1 | 2 |
| α-helix | 104-105 | 2 | |
| β-strand | 106-111 | 6 | 1 |
| β-strand | 115-121 | 7 | 1 |
| β-strand | 127 | 1 | 2 |
| α-helix | 128-135 | 8 | |
| α-helix | 140-159 | 20 | |
| β-strand | 162-163 | 2 | 3 |
| α-helix | 169-171 | 3 | |
| β-strand | 172-174 | 3 | 2 |
| β-strand | 180-182 | 3 | 2 |
| β-strand | 189-190 | 2 | 3 |
| β-strand | 195 | 1 | 4 |
| α-helix | 202-204 | 3 | |
| α-helix | 207-210 | 4 | |
| β-strand | 215 | 1 | 4 |
| α-helix | 218-233 | 16 | |
| α-helix | 243-252 | 10 | |
| α-helix | 263-272 | 10 | |
| α-helix | 277-279 | 3 | |
| α-helix | 289-292 | 4 | |
| α-helix | 295-297 | 3 | |
| α-helix | 302-306 | 5 | |
| α-helix | 311-312 | 2 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| cAMP-dependent protein kinase catalytic subunit alpha | A | protein | 353 | Cricetulus griseus | P25321 (AlphaFold model) |
>9REC_1 cAMP-dependent protein kinase catalytic subunit alpha (chains A) GHMGNAAAAKKGSEQESVKEFLAKAKEEFLKKWESPSQNTAQLDHFDRIKTLGTGSFGRV MLVKHKETGNHYAMKILDKQKVVKLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNSNLY MVMEYVPGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSLDLIYRDLKPENLLIDQQ GYIQVTDFGFAKRVKGRTWTLCGTPEYLAPEIILSKGYNKAVDWWALGVLIYEMAAGYPP FFADQPIQIYEKIVSGKVRFPSHFSSDLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWF ATTDWIAIYQRKVEAPFIPKFKGPGDTSNFDDYEEEEIRVSINEKCGKEFTEF
| ID | Name | Formula | Copies |
|---|---|---|---|
| PGF | 2,5,8,11-tetraoxatridecane | C9 H20 O4 | 1 |
| A1JEU | methyl 2-[(1~{R})-1-(2,2-dimethylpropanoylamino)-2-oxidanyl-ethyl]-1,3-oxazole-… | C12 H18 N2 O5 | 1 |
Water and common crystallization additives (DMS) are not listed.
Natural Product-like Fragments Unlock Novel Chemotypes for a Kinase Target─Exploring Options beyond the Flatland. Santura, A., Muller, J., Wolter, M. et al. J Chem Inf Model (2026) 66:2249-2267. DOI 10.1021/acs.jcim.5c01952 · PubMed
Other PDB entries of the same protein (UniProt P25321 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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