SMTL ID : 2qcs.1

A complex structure between the Catalytic and Regulatory subunit of Protein Kinase A that represents the inhibited state

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-1-1-mer

Ligands

2 x MN: MANGANESE (II) ION(Non-covalent)

MN.1: 3 residues within 4Å: Chain A: N.171, D.184 Ligands: ANP.5 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.184, H2O.6 MN.2: 3 residues within 4Å: Chain A: F.54, D.184 Ligands: ANP.5 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.184, A:D.184, H2O.5, H2O.6

6 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 2 residues within 4Å: Chain A: R.137, H.260 2 PLIP interactions: 2 interactions with chain A Water bridges: A:H.260 Salt bridges: A:R.137 SO4.9: 4 residues within 4Å: Chain B: F.233, G.234, E.235, I.236 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:G.234, B:I.236 Water bridges: B:E.235, B:E.235, B:E.235, B:A.237, B:K.244, B:K.244 Salt bridges: B:K.244 SO4.10: 3 residues within 4Å: Chain B: Q.194, G.195, R.214 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:Q.194 Water bridges: B:G.195, B:R.214, B:R.214 Salt bridges: B:R.214 SO4.11: 5 residues within 4Å: Chain B: G.80, D.81, N.82, Y.84, R.120 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:D.81, B:N.82, B:N.82, B:Y.84 Water bridges: B:R.120 Salt bridges: B:R.120 SO4.12: 2 residues within 4Å: Chain B: N.53, R.150 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.53 Water bridges: B:R.150, B:R.150 Salt bridges: B:R.150 SO4.13: 4 residues within 4Å: Chain B: M.240, N.241, R.242, R.261 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:N.241, B:R.242 Water bridges: B:R.261, B:R.261 Salt bridges: B:R.261

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.4: 6 residues within 4Å: Chain A: H.131, R.134, I.135, F.138, H.142, F.314 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:H.131, A:I.135, A:F.314 Salt bridges: A:H.142

1 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.5: 27 residues within 4Å: Chain A: L.49, G.50, G.52, S.53, F.54, G.55, V.57, A.70, K.72, M.120, E.121, Y.122, V.123, E.127, D.166, K.168, E.170, N.171, L.173, T.183, D.184, F.327 Chain B: R.5, G.7, A.8 Ligands: MN.1, MN.2 18 PLIP interactions: 16 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:S.53, A:S.53, A:F.54, A:G.55, A:K.72, A:E.121, A:V.123, A:E.127, A:K.168, A:T.183, B:R.5, B:A.8 Water bridges: A:T.51, A:E.170, A:N.171, A:D.184, A:D.184 Salt bridges: A:K.72

1 x TAM: TRIS(HYDROXYETHYL)AMINOMETHANE(Non-covalent)

TAM.6: 9 residues within 4Å: Chain A: K.189, V.191, R.194, T.195, W.196, T.197 Chain B: Y.14, T.15, E.16 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:K.189, A:K.189, A:T.195, A:W.196, B:E.16 Hydrophobic interactions: B:E.16

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.7: 8 residues within 4Å: Chain A: E.121, Y.122, V.123, A.124, G.125, D.175, Q.176, Q.177 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:E.121, A:A.124, A:G.125, A:Q.176, A:Q.177 GOL.8: 3 residues within 4Å: Chain A: T.51, D.329, Y.330 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.51, A:T.51 GOL.14: 7 residues within 4Å: Chain A: K.83 Chain B: S.10, A.11, E.12, Y.116, G.117, R.137 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:S.10, B:E.12, B:E.12, B:G.117, B:R.137

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kim, C. et al., PKA-I holoenzyme structure reveals a mechanism for cAMP-dependent activation. Cell(Cambridge,Mass.) (2007)

Release Date

2007-11-06

Peptides

cAMP-dependent protein kinase, alpha-catalytic subunit: A
cAMP-dependent protein kinase type I-alpha regulatory subunit: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

cAMP-dependent protein kinase, alpha-catalytic subunit

cAMP-dependent protein kinase type I-alpha regulatory subunit

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