1RDQ: PDB entry 1RDQ

Hydrolysis of ATP in the crystal of Y204A mutant of cAMP-dependent protein kinase. Determined by X-ray diffraction at 1.26 Å resolution. Released 13 Apr 2004.

Method
X-ray diffraction
Resolution
1.26 Å
Organism
Mus musculus
Chains
2
Atoms
3,450
Mol. weight
44.08 kDa
Ligands
MRD, ATP, ADP, MG
Released
13 Apr 2004

Explore 1RDQ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1RDQ contains 18 α-helices and 15 β-strands across 2 chains. 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.

Chain E: 16 helices, 14 β-strands

ElementResiduesLengthSheet
α-helix15-3117
α-helix40-423
β-strand43-5191
β-strand56-6271
β-strand68-7581
α-helix76-816
α-helix85-9511
β-strand10312
β-strand106-11161
β-strand115-12171
β-strand12712
α-helix128-1358
α-helix140-15920
β-strand162-16323
α-helix169-1713
β-strand172-17432
β-strand180-18232
β-strand189-19023
β-strand19514
β-strand199-20025
α-helix202-2043
α-helix207-2104
β-strand21514
α-helix218-23316
α-helix243-25210
α-helix263-27210
α-helix289-2924
α-helix295-2973
α-helix302-3065
α-helix311-3122
Chain I: 2 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix506-5116
α-helix518-5214
β-strand522-52325

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
cAMP-dependent protein kinase, alpha-catalytic subunitEprotein350Mus musculusP05132 (AlphaFold model)
cAMP-dependent protein kinase inhibitor, alpha formIprotein20
Sequence of entity 1 (E), FASTA
>1RDQ_1 cAMP-dependent protein kinase, alpha-catalytic subunit (chains E)
GNAAAAKKGSEQESVKEFLAKAKEDFLKKWETPSQNTAQLDQFDRIKTLGTGSFGRVMLV
KHKESGNHYAMKILDKQKVVKLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNSNLYMVM
EYVAGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSLDLIYRDLKPENLLIDQQGYI
QVTDFGFAKRVKGRTWTLCGTPEALAPEIILSKGYNKAVDWWALGVLIYEMAAGYPPFFA
DQPIQIYEKIVSGKVRFPSHFSSDLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWFATT
DWIAIYQRKVEAPFIPKFKGPGDTSNFDDYEEEEIRVSINEKCGKEFTEF
Sequence of entity 2 (I), FASTA
>1RDQ_2 cAMP-dependent protein kinase inhibitor, alpha form (chains I)
TTYADFIASGRTGRRNAIHD

Ligands and cofactors

IDNameFormulaCopies
MRD(4R)-2-methylpentane-2,4-diolC6 H14 O21
ATPAdenosine-5'-triphosphateC10 H16 N5 O13 P31
ADPAdenosine-5'-diphosphateC10 H15 N5 O10 P21
MGMagnesium ionMg2
PO4Phosphate ionO4 P1

Water and common crystallization additives (GOL) are not listed.

Primary citation

Crystal Structure of a cAMP-dependent Protein Kinase Mutant at 1.26A: New Insights into the Catalytic Mechanism. Yang, J., Ten Eyck, L.F., Xuong, N.H. et al. J Mol Biol (2004) 336:473-487. DOI 10.1016/j.jmb.2003.11.044 · PubMed

Other PDB entries of the same protein (UniProt P05132 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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