SMTL ID : 6h4g.1 (1 other biounit)

Regulatory subunit of a cAMP-independent protein kinase A from Trypanosoma brucei: E311A, T318R, V319A mutant bound to cAMP in the A site

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.14 Å

Oligo State

monomer

Ligands

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

CMP.1: 15 residues within 4Å: Chain A: M.73, I.93, Y.101, K.103, A.108, V.109, G.110, E.111, L.112, A.113, R.120, A.121, A.122, V.124, Y.172 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:G.110, A:E.111, A:E.111, A:L.112, A:A.113, A:A.121 Water bridges: A:D.170, A:D.170 Salt bridges: A:R.120 pi-Stacking: A:Y.172

1 x NOS: INOSINE(Non-covalent)

NOS.2: 17 residues within 4Å: Chain A: I.193, V.212, V.224, F.227, V.233, G.234, E.235, L.236, E.237, N.244, V.245, A.246, V.248, N.283, Y.284, Y.286, Y.287 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:G.234, A:L.236, A:E.237, A:V.245, A:A.246, A:A.246, A:N.283, A:Y.287 Water bridges: A:H.232, A:E.235, A:Y.286 pi-Stacking: A:Y.284

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ober, V.T. et al., Purine nucleosides replace cAMP in allosteric regulation of PKA in trypanosomatid pathogens. Elife (2024)

Release Date

2019-08-14

Peptides

Protein kinase A regulatory subunit: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Protein kinase A regulatory subunit

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