SMTL ID : 4mx3.1 (2 other biounits)

Crystal Structure of PKA RIalpha Homodimer

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.88 Å

Oligo State

homo-dimer

Ligands

4 x CMP: ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE(Non-covalent)

CMP.1: 14 residues within 4Å: Chain A: I.163, V.182, A.189, F.198, G.199, E.200, L.201, A.202, R.209, A.210, A.211, V.213, D.258, W.260 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:G.199, A:E.200, A:E.200, A:L.201, A:A.202, A:A.210, A:D.258 Salt bridges: A:R.209 pi-Stacking: A:W.260, A:W.260, A:W.260 CMP.2: 14 residues within 4Å: Chain A: V.281, V.300, V.313, L.316, F.322, G.323, E.324, I.325, A.326, R.333, A.334, Y.371, N.372, S.373 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:V.313, A:G.323, A:E.324, A:I.325, A:A.326, A:A.334, A:A.335, A:Y.371, A:S.373 Salt bridges: A:R.333 pi-Stacking: A:Y.371, A:Y.371 CMP.3: 15 residues within 4Å: Chain B: I.163, V.182, V.184, A.189, F.198, G.199, E.200, L.201, A.202, R.209, A.210, A.211, V.213, D.258, W.260 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:G.199, B:E.200, B:E.200, B:L.201, B:A.202, B:P.208, B:A.210, B:D.258 Salt bridges: B:R.209 pi-Stacking: B:W.260, B:W.260 CMP.4: 15 residues within 4Å: Chain B: V.281, V.300, V.313, F.322, G.323, E.324, I.325, A.326, R.333, A.334, A.335, V.337, Y.371, N.372, S.373 13 PLIP interactions: 13 interactions with chain B Hydrogen bonds: B:G.323, B:E.324, B:E.324, B:E.324, B:I.325, B:A.326, B:A.334, B:A.335, B:N.372, B:N.372 Salt bridges: B:R.333 pi-Stacking: B:Y.371, B:Y.371

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bruystens, J.G. et al., PKA RI alpha Homodimer Structure Reveals an Intermolecular Interface with Implications for Cooperative cAMP Binding and Carney Complex Disease. Structure (2014)

Release Date

2014-01-15

Peptides

cAMP-dependent protein kinase type I-alpha regulatory subunit: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

cAMP-dependent protein kinase type I-alpha regulatory subunit

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