1FMO: Camp-dependent protein kinase

Crystal structure of a polyhistidine-tagged recombinant catalytic subunit of camp-dependent protein kinase complexed with the peptide inhibitor PKI(5-24) and adenosine. Determined by X-ray diffraction at 2.2 Å resolution. Released 14 Jan 1998.

Method: X-ray diffraction
Resolution: 2.2 Å
Organism: Mus musculus
Chains: 2
Atoms: 3,058
Mol. weight: 43.15 kDa
Ligands: ADN
Released: 14 Jan 1998

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

Secondary structure: helices and β-sheets

1FMO 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

Element	Residues	Length	Sheet
α-helix	14-31	18
α-helix	40-42	3
β-strand	43-51	9	1
β-strand	55-62	8	1
β-strand	67-75	9	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
α-helix	175	1
β-strand	180-182	3	2
β-strand	189-190	2	3
β-strand	195	1	4
β-strand	200	1	5
α-helix	207-210	4
β-strand	215	1	4
α-helix	218-233	16
α-helix	243-250	8
α-helix	263-272	10
α-helix	289-292	4
α-helix	295-297	3
α-helix	302-307	6

Chain I: 2 helices, 1 β-strand

Element	Residues	Length	Sheet
α-helix	6-12	7
α-helix	20-21	2
β-strand	22	1	5

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Camp-dependent protein kinase	E	protein	350	Mus musculus	P05132 (AlphaFold model)
Heat stable rabbit skeletal muscle inhibitor protein	I	protein	20		P61926 (AlphaFold model)

Sequence of entity 1 (E), FASTA

>1FMO_1 CAMP-DEPENDENT PROTEIN KINASE (chains E)
GNAAAAKKGSEQESVKEFLAKAKEDFLKKWETPSQNTAQLDQFDRIKTLGTGSFGRVMLV
KHKESGNHYAMKILDKQKVVKLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNSNLYMVM
EYVAGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSLDLIYRDLKPENLLIDQQGYI
QVTDFGFAKRVKGRTWTLCGTPEYLAPEIILSKGYNKAVDWWALGVLIYEMAAGYPPFFA
DQPIQIYEKIVSGKVRFPSHFSSDLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWFATT
DWIAIYQRKVEAPFIPKFKGPGDTSNFDDYEEEEIRVSINEKCGKEFTEF

Sequence of entity 2 (I), FASTA

>1FMO_2 HEAT STABLE RABBIT SKELETAL MUSCLE INHIBITOR PROTEIN (chains I)
TTYADFIASGRTGRRNAIHD

Ligands and cofactors

ID	Name	Formula	Copies
ADN	Adenosine	C10 H13 N5 O4	1

Primary citation

Crystal structure of a polyhistidine-tagged recombinant catalytic subunit of cAMP-dependent protein kinase complexed with the peptide inhibitor PKI(5-24) and adenosine. Narayana, N., Cox, S., Shaltiel, S. et al. Biochemistry (1997) 36:4438-4448. DOI 10.1021/bi961947+ · PubMed

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

1RDQ 1.26 Å, Hydrolysis of ATP in the crystal of Y204A mutant of cAMP-dependent protein kinase
4DFX 1.35 Å, Crystal structure of myristoylated K7C catalytic subunit of cAMP-dependent protein…
4HPU 1.55 Å, Crystal structure of the catalytic subunit of cAMP-dependent protein kinase displaying…
4IAI 1.55 Å, X-ray Structure of cAMP dependent protein kinase A in complex with high Ca2+…
9PC1 1.55 Å, Co-crystal structure of the cAMP-dependent protein kinase catalytic subunit alpha with…
3FJQ 1.6 Å, Crystal structure of cAMP-dependent protein kinase catalytic subunit alpha in complex…
4IAK 1.6 Å, Low temperature X-ray structure of cAMP dependent protein kinase A in complex with high…
3IDB 1.62 Å, Crystal structure of (108-268)RIIb:C holoenzyme of cAMP-dependent protein kinase
4IB1 1.63 Å, Structure of cAMP dependent protein kinase A in complex with high K+ concentration, ADP…
7V0G 1.63 Å, Structure of cAMP-dependent protein kinase using a MD-MX procedure, produced using 1.63…
3QAL 1.7 Å, Crystal Structure of Arg280Ala mutant of Catalytic subunit of cAMP-dependent Protein…
3X2W 1.7 Å, Michaelis complex of cAMP-dependent Protein Kinase Catalytic Subunit

Browse structure collections

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