SMTL ID : 7jv1.1

Crystal Structure of KSR1:MEK1 in complex with AMP-PNP, and allosteric MEK inhibitor APS-9-95-1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.62 Å

Oligo State

hetero-1-1-mer

Ligands

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

ANP.1: 17 residues within 4Å: Chain A: I.54, G.55, G.57, R.58, V.62, A.72, R.74, S.122, F.123, C.124, K.170, K.172, N.173, F.175, T.184, D.185 Ligands: MG.2 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:R.58, A:R.58, A:S.122, A:C.124, A:K.170, A:K.172, A:K.172, A:K.172, A:K.172 Salt bridges: A:R.74 ANP.3: 15 residues within 4Å: Chain B: L.65, G.66, G.71, V.72, V.73, K.88, M.134, S.141, D.181, K.183, S.185, N.186, L.188, D.199 Ligands: VKG.4 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:G.71, B:G.71, B:K.88, B:S.141, B:S.141, 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.185

1 x VKG: N-(3-{3-cyclopropyl-5-[(2-fluoro-4-iodophenyl)amino]-6,8-dimethyl-2,4,7-trioxo-3,4,6,7-tetrahydropyrido[4,3-d]pyrimidin-1(2H)-yl}phenyl)-N'-methylsulfuric diamide(Non-covalent)

VKG.4: 15 residues within 4Å: Chain A: Q.259, A.260 Chain B: L.109, V.118, R.180, D.181, D.199, F.200, G.201, V.202, S.203, I.207, S.213, R.225 Ligands: ANP.3 8 PLIP interactions: 7 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:L.109, B:R.180, B:D.181, B:I.207 Hydrogen bonds: B:D.181, B:V.202, B:S.203, A:A.260

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
D

B
C

Kinase suppressor of Ras 1

Dual specificity mitogen-activated protein kinase kinase 1

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