SMTL ID : 7juv.1

Crystal Structure of KSR2:MEK1 in complex with AMP-PNP, and allosteric MEK inhibitor APS-9-95-1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.36 Å

Oligo State

hetero-1-1-mer

Ligands

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

ANP.1: 19 residues within 4Å: Chain A: I.64, G.65, K.66, G.67, R.68, F.69, V.72, A.82, R.84, S.132, L.133, C.134, T.138, K.180, N.183, F.185, D.195, Q.217 Ligands: MG.2 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:R.68, A:R.68, A:R.68, A:F.69, A:S.132, A:C.134, A:K.180, A:K.180, A:Q.217 Water bridges: A:N.183, A:N.183 Salt bridges: A:R.84 ANP.3: 17 residues within 4Å: Chain A: K.213 Chain B: L.65, V.73, A.86, K.88, M.134, E.135, M.137, S.141, Q.144, K.183, S.185, N.186, L.188, D.199 Ligands: VKG.4, MG.5 11 PLIP interactions: 3 interactions with chain A, 8 interactions with chain B Hydrogen bonds: A:K.213, A:K.213, A:K.213, B:E.135, B:M.137, B:S.141, B:S.141, B:S.185, B:N.186, B:N.186 Salt bridges: B:K.88

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: K.182, N.183, D.195 Ligands: ANP.1 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.195, H2O.1 MG.5: 4 residues within 4Å: Chain B: K.88, N.186, D.199 Ligands: ANP.3 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:D.199

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: 18 residues within 4Å: Chain A: P.270 Chain B: K.88, L.106, L.109, V.118, I.132, M.134, R.180, D.181, D.199, F.200, G.201, V.202, S.203, L.206, I.207, R.225 Ligands: ANP.3 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:L.109, B:R.180, B:D.181, B:I.207 Hydrogen bonds: B:K.88, B:V.202, B:S.203, B:R.225 Halogen bonds: B:K.88

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 2: A
Dual specificity mitogen-activated protein kinase kinase 1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
C

Kinase suppressor of Ras 2

Dual specificity mitogen-activated protein kinase kinase 1

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