SMTL ID : 7jv0.1

Crystal Structure of KSR1:MEK1 in complex with AMP-PNP, and allosteric MEK inhibitor PD0325901

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.63 Å

Oligo State

hetero-1-1-mer

Ligands

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

ANP.1: 18 residues within 4Å: Chain A: I.54, Q.56, G.57, R.58, W.59, V.62, A.72, R.74, T.121, S.122, F.123, C.124, T.128, K.170, N.173, F.175, D.185 Ligands: MG.2 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:R.58, A:S.122, A:C.124, A:K.170, A:K.172, A:N.173 Salt bridges: A:R.74 ANP.3: 15 residues within 4Å: Chain B: L.65, A.67, G.68, V.73, K.88, M.134, E.135, S.141, Q.144, K.183, S.185, N.186, L.188, D.199 Ligands: 4BM.4 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:E.135, B:M.137, B:S.141, B:S.141, B:S.141, B:Q.144, B:K.183, B:S.185, B:S.185, B:N.186 Salt bridges: B:K.88

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 5 residues within 4Å: Chain A: D.168, K.170, N.173, D.185 Ligands: ANP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.168

1 x 4BM: N-{[(2R)-2,3-dihydroxypropyl]oxy}-3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]benzamide(Non-covalent)

4BM.4: 15 residues within 4Å: Chain B: G.68, K.88, I.90, L.109, V.118, I.132, M.134, D.199, F.200, G.201, V.202, S.203, L.206, M.210 Ligands: ANP.3 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:L.109, B:F.200, B:L.206 Hydrogen bonds: B:G.68, B:K.88, B:K.88 Halogen bonds: B:V.118

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Khan, Z.M. et al., Structural basis for the action of the drug trametinib at KSR-bound MEK. Nature (2020)

Release Date

2020-09-30

Peptides

Kinase suppressor of Ras 1: A
Dual specificity mitogen-activated protein kinase kinase 1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

Kinase suppressor of Ras 1

Dual specificity mitogen-activated protein kinase kinase 1

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