7BAQ: PDB entry 7BAQ

Crystal structure of the cAMP-dependent protein kinase A cocrystallized with a chiral ligand (S- and E-configuration) and PKI (5-24). Determined by X-ray diffraction at 1.54 Å resolution. Released 12 Jan 2022.

Method: X-ray diffraction
Resolution: 1.54 Å
Organisms: Cricetulus griseus, Mus musculus
Chains: 2
Atoms: 3,075
Mol. weight: 43.4 kDa
Ligands: T82
Released: 12 Jan 2022

Explore 7BAQ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7BAQ contains 20 α-helices and 13 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 A: 18 helices, 13 β-strands

Element	Residues	Length	Sheet
α-helix	12-31	20
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	85-97	13
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	289-292	4
α-helix	295-297	3
α-helix	302-306	5
α-helix	311-312	2
α-helix	345-347	3

Chain B: 2 helices, 0 β-strands

Element	Residues	Length	Sheet
α-helix	6-13	8
α-helix	18-21	4

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
cAMP-dependent protein kinase catalytic subunit alpha	A	protein	353	Cricetulus griseus	P25321 (AlphaFold model)
cAMP-dependent protein kinase inhibitor alpha	B	protein	18	Mus musculus	P63248 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>7BAQ_1 cAMP-dependent protein kinase catalytic subunit alpha (chains A)
GHMGNAAAAKKGSEQESVKEFLAKAKEEFLKKWESPSQNTAQLDHFDRIKTLGTGSFGRV
MLVKHKETGNHYAMKILDKQKVVKLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNSNLY
MVMEYVPGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSLDLIYRDLKPENLLIDQQ
GYIQVTDFGFAKRVKGRTWTLCGTPEYLAPEIILSKGYNKAVDWWALGVLIYEMAAGYPP
FFADQPIQIYEKIVSGKVRFPSHFSSDLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWF
ATTDWIAIYQRKVEAPFIPKFKGPGDTSNFDDYEEEEIRVSINEKCGKEFTEF

Sequence of entity 2 (B), FASTA

>7BAQ_2 cAMP-dependent protein kinase inhibitor alpha (chains B)
TTYADFIASGRTGRRNAI

Ligands and cofactors

ID	Name	Formula	Copies
T82	(S,E)-3-(2-(3-bromo-4-hydroxybenzylidene)hydrazineyl)-2-(3-chlorophenyl)-3-oxop…	C16 H15 Br Cl N3 O2	1

Primary citation

Crystal structure of the cAMP-dependent protein kinase A cocrystallized with a chiral ligand (S- and E-configuration) and PKI (5-24). Oebbeke, M., Koester, H., Brass, S. et al. To be published.

Other PDB entries of the same protein (UniProt P25321 (AlphaFold model), which also has an AlphaFold model), best resolution first:

5N1F 1.12 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
5N3J 1.12 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
4WIH 1.14 Å, Crystal structure of cAMP-dependent Protein Kinase A from Cricetulus griseus
5N1G 1.14 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
5N3I 1.14 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
5N3S 1.14 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
5N3G 1.16 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
5N1H 1.18 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
9REC 1.2 Å, Crystal Structure of the Protein-Kinase A catalytic subunit from Cricetulus griseus in…
5N3T 1.21 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
5N3N 1.22 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…
5N3M 1.23 Å, cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like…

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